doc-exports/docs/dcs/api-ref/dcs-api-0312015.html
Chen, Junjie 5e34f6ce26 DCS API-REF Initial Version
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Chen, Junjie <chenjunjie@huawei.com>
Co-committed-by: Chen, Junjie <chenjunjie@huawei.com>
2022-12-09 16:44:56 +00:00

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<a name="dcs-api-0312015"></a><a name="dcs-api-0312015"></a>
<h1 class="topictitle1">Querying Configuration Parameters</h1>
<div id="body65776751"><div class="section" id="dcs-api-0312015__section166920407553"><h4 class="sectiontitle">Function</h4><p id="dcs-api-0312015__p18686202192415">This API is used to query the configuration parameters of a DCS instance.</p>
</div>
<div class="section" id="dcs-api-0312015__section149423025817"><h4 class="sectiontitle">URI</h4><p id="dcs-api-0312015__p0257581969">GET /v1.0/{project_id}/instances/{instance_id}/configs</p>
<div class="p" id="dcs-api-0312015__p1743345212356"><a href="#dcs-api-0312015__table133085233516">Table 1</a> describes the parameters.
<div class="tablenoborder"><a name="dcs-api-0312015__table133085233516"></a><a name="table133085233516"></a><table cellpadding="4" cellspacing="0" summary="" id="dcs-api-0312015__table133085233516" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameter description</caption><thead align="left"><tr id="dcs-api-0312015__row11301852163514"><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.2.3.2.2.5.1.1"><p id="dcs-api-0312015__p18301052133516">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.2.3.2.2.5.1.2"><p id="dcs-api-0312015__p113095220352">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.2.3.2.2.5.1.3"><p id="dcs-api-0312015__p18301352173511">Mandatory</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.2.3.2.2.5.1.4"><p id="dcs-api-0312015__p1230185218351">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="dcs-api-0312015__row1030252113519"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.2.3.2.2.5.1.1 "><p id="dcs-api-0312015__p83095213515">project_id</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.2.3.2.2.5.1.2 "><p id="dcs-api-0312015__p430125213358">String</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.2.3.2.2.5.1.3 "><p id="dcs-api-0312015__p1330195212357">Yes</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.2.3.2.2.5.1.4 "><p id="dcs-api-0312015__p1830952123516">Project ID.</p>
</td>
</tr>
<tr id="dcs-api-0312015__row103012521355"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.2.3.2.2.5.1.1 "><p id="dcs-api-0312015__p8301652183514">instance_id</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.2.3.2.2.5.1.2 "><p id="dcs-api-0312015__p143016523351">String</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.2.3.2.2.5.1.3 "><p id="dcs-api-0312015__p11304527356">Yes</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.2.3.2.2.5.1.4 "><p id="dcs-api-0312015__p930152153516">ID of the instance to be queried.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div class="section" id="dcs-api-0312015__section19842205591"><h4 class="sectiontitle">Request</h4><p id="dcs-api-0312015__p1463117192258"><strong id="dcs-api-0312015__b577012915541">Request parameters</strong></p>
<p id="dcs-api-0312015__p106321019182517">None</p>
<p id="dcs-api-0312015__p146321819102510"><strong id="dcs-api-0312015__b1465193325417">Example request</strong></p>
<pre class="screen" id="dcs-api-0312015__screen1753615331064">GET https://{dcs_endpoint}/v1.0/{project_id}/instances/{instance_id}/configs</pre>
</div>
<div class="section" id="dcs-api-0312015__section171184818599"><h4 class="sectiontitle">Response</h4><p class="msonormal" id="dcs-api-0312015__p189733713328"><strong id="dcs-api-0312015__b936594265415">Response parameters</strong></p>
<div class="msonormal" id="dcs-api-0312015__p11509202123615"><a href="#dcs-api-0312015__table1831432163611">Table 2</a> describes the response parameters.
<div class="tablenoborder"><a name="dcs-api-0312015__table1831432163611"></a><a name="table1831432163611"></a><table cellpadding="4" cellspacing="0" summary="" id="dcs-api-0312015__table1831432163611" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Parameter description</caption><thead align="left"><tr id="dcs-api-0312015__row14314192143612"><th align="left" class="cellrowborder" valign="top" width="24.242424242424242%" id="mcps1.3.4.3.2.2.4.1.1"><p id="dcs-api-0312015__p19313172113614">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="19.191919191919194%" id="mcps1.3.4.3.2.2.4.1.2"><p id="dcs-api-0312015__p2313202143617">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="56.565656565656575%" id="mcps1.3.4.3.2.2.4.1.3"><p id="dcs-api-0312015__p83133215366">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="dcs-api-0312015__row18314172163611"><td class="cellrowborder" valign="top" width="24.242424242424242%" headers="mcps1.3.4.3.2.2.4.1.1 "><p id="dcs-api-0312015__p6314172173620">status</p>
</td>
<td class="cellrowborder" valign="top" width="19.191919191919194%" headers="mcps1.3.4.3.2.2.4.1.2 "><p id="dcs-api-0312015__p18314825362">String</p>
</td>
<td class="cellrowborder" valign="top" width="56.565656565656575%" headers="mcps1.3.4.3.2.2.4.1.3 "><p id="dcs-api-0312015__p1231412203618">Current status of a DCS instance.</p>
</td>
</tr>
<tr id="dcs-api-0312015__row131419211367"><td class="cellrowborder" valign="top" width="24.242424242424242%" headers="mcps1.3.4.3.2.2.4.1.1 "><p id="dcs-api-0312015__p123145253611">instance_id</p>
</td>
<td class="cellrowborder" valign="top" width="19.191919191919194%" headers="mcps1.3.4.3.2.2.4.1.2 "><p id="dcs-api-0312015__p331419218363">String</p>
</td>
<td class="cellrowborder" valign="top" width="56.565656565656575%" headers="mcps1.3.4.3.2.2.4.1.3 "><p id="dcs-api-0312015__p531412213612">DCS instance ID.</p>
</td>
</tr>
<tr id="dcs-api-0312015__row68141143112110"><td class="cellrowborder" valign="top" width="24.242424242424242%" headers="mcps1.3.4.3.2.2.4.1.1 "><p id="dcs-api-0312015__p664813762218">redis_config</p>
</td>
<td class="cellrowborder" valign="top" width="19.191919191919194%" headers="mcps1.3.4.3.2.2.4.1.2 "><p id="dcs-api-0312015__p146481937132219">Array</p>
</td>
<td class="cellrowborder" valign="top" width="56.565656565656575%" headers="mcps1.3.4.3.2.2.4.1.3 "><p id="dcs-api-0312015__p5648183715227">Array of configuration items of the DCS instance. For details, see <a href="#dcs-api-0312015__table4967184515317">Table 3</a>.</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1031418220363"><td class="cellrowborder" valign="top" width="24.242424242424242%" headers="mcps1.3.4.3.2.2.4.1.1 "><p id="dcs-api-0312015__p4314621368">config_status</p>
</td>
<td class="cellrowborder" valign="top" width="19.191919191919194%" headers="mcps1.3.4.3.2.2.4.1.2 "><p id="dcs-api-0312015__p031412219361">String</p>
</td>
<td class="cellrowborder" valign="top" width="56.565656565656575%" headers="mcps1.3.4.3.2.2.4.1.3 "><p id="dcs-api-0312015__p931420214369">DCS instance status that is being modified or has been modified. Options:</p>
<ul id="dcs-api-0312015__ul2971182894312"><li id="dcs-api-0312015__li119721028154314"><strong id="dcs-api-0312015__b3716621114114">UPDATING</strong></li><li id="dcs-api-0312015__li29721328104314"><strong id="dcs-api-0312015__b515492614412">FAILURE</strong></li><li id="dcs-api-0312015__li11972142884312"><strong id="dcs-api-0312015__b8357730124110">SUCCESS</strong></li></ul>
</td>
</tr>
<tr id="dcs-api-0312015__row13314725361"><td class="cellrowborder" valign="top" width="24.242424242424242%" headers="mcps1.3.4.3.2.2.4.1.1 "><p id="dcs-api-0312015__p1231452123615">config_time</p>
</td>
<td class="cellrowborder" valign="top" width="19.191919191919194%" headers="mcps1.3.4.3.2.2.4.1.2 "><p id="dcs-api-0312015__p9314327362">String</p>
</td>
<td class="cellrowborder" valign="top" width="56.565656565656575%" headers="mcps1.3.4.3.2.2.4.1.3 "><p id="dcs-api-0312015__p19314192183611">Time at which the DCS instance is operated on. For example, 2017-03-31<strong id="dcs-api-0312015__b1429681720163">T</strong>12:24:46.297<strong id="dcs-api-0312015__b129681791617">Z</strong>.</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1311967205814"><td class="cellrowborder" valign="top" width="24.242424242424242%" headers="mcps1.3.4.3.2.2.4.1.1 "><p id="dcs-api-0312015__p1211910735810">cluster_v1</p>
</td>
<td class="cellrowborder" valign="top" width="19.191919191919194%" headers="mcps1.3.4.3.2.2.4.1.2 "><p id="dcs-api-0312015__p911977115814">Boolean</p>
</td>
<td class="cellrowborder" valign="top" width="56.565656565656575%" headers="mcps1.3.4.3.2.2.4.1.3 "><p id="dcs-api-0312015__p4119197165817">Instance type. If <strong id="dcs-api-0312015__b5567164104414">true</strong> is returned, the instance is a Proxy Cluster DCS Redis 3.0 instance. If <strong id="dcs-api-0312015__b693131418459">false</strong> is returned, the instance is not a Proxy Cluster DCS Redis 3.0 instance.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="tablenoborder"><a name="dcs-api-0312015__table4967184515317"></a><a name="table4967184515317"></a><table cellpadding="4" cellspacing="0" summary="" id="dcs-api-0312015__table4967184515317" frame="border" border="1" rules="all"><caption><b>Table 3 </b>redis_config parameter description</caption><thead align="left"><tr id="dcs-api-0312015__row7967134518533"><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.4.4.2.4.1.1"><p id="dcs-api-0312015__p18967104518537">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="19%" id="mcps1.3.4.4.2.4.1.2"><p id="dcs-api-0312015__p1696714512534">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="56.00000000000001%" id="mcps1.3.4.4.2.4.1.3"><p id="dcs-api-0312015__p4967145115317">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="dcs-api-0312015__row3103173862316"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.4.2.4.1.1 "><p id="dcs-api-0312015__p870864732310">description</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.4.4.2.4.1.2 "><p id="dcs-api-0312015__p1570912475234">String</p>
</td>
<td class="cellrowborder" valign="top" width="56.00000000000001%" headers="mcps1.3.4.4.2.4.1.3 "><p id="dcs-api-0312015__p197091947112319">Configuration item description.</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1096714515536"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.4.2.4.1.1 "><p id="dcs-api-0312015__p9967104505312">param_id</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.4.4.2.4.1.2 "><p id="dcs-api-0312015__p096714510532">String</p>
</td>
<td class="cellrowborder" valign="top" width="56.00000000000001%" headers="mcps1.3.4.4.2.4.1.3 "><p id="dcs-api-0312015__p19967245175316">Configuration parameter ID. For the possible values, see the <strong id="dcs-api-0312015__b22801194177">Parameter ID</strong> column in <a href="#dcs-api-0312015__table1439111281351">Table 4</a>.</p>
</td>
</tr>
<tr id="dcs-api-0312015__row996712453534"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.4.2.4.1.1 "><p id="dcs-api-0312015__p29671245185310">param_name</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.4.4.2.4.1.2 "><p id="dcs-api-0312015__p1996744518538">String</p>
</td>
<td class="cellrowborder" valign="top" width="56.00000000000001%" headers="mcps1.3.4.4.2.4.1.3 "><p id="dcs-api-0312015__p149681457534">Configuration parameter name. For the possible values, see the <strong id="dcs-api-0312015__b1632210338173">Parameter Name</strong> column in <a href="#dcs-api-0312015__table1439111281351">Table 4</a>.</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1896844513533"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.4.2.4.1.1 "><p id="dcs-api-0312015__p11968174517535">param_value</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.4.4.2.4.1.2 "><p id="dcs-api-0312015__p14968164505312">String</p>
</td>
<td class="cellrowborder" valign="top" width="56.00000000000001%" headers="mcps1.3.4.4.2.4.1.3 "><p id="dcs-api-0312015__p3968114517538">Configuration parameter value.</p>
</td>
</tr>
<tr id="dcs-api-0312015__row39681745175317"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.4.2.4.1.1 "><p id="dcs-api-0312015__p4968194545312">default_value</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.4.4.2.4.1.2 "><p id="dcs-api-0312015__p8968245125317">String</p>
</td>
<td class="cellrowborder" valign="top" width="56.00000000000001%" headers="mcps1.3.4.4.2.4.1.3 "><p id="dcs-api-0312015__p8968174518539">Default value of the configuration parameter. For the possible values, see the <strong id="dcs-api-0312015__b4102644161719">Default Value</strong> column in <a href="#dcs-api-0312015__table1439111281351">Table 4</a>.</p>
</td>
</tr>
<tr id="dcs-api-0312015__row2968114565318"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.4.2.4.1.1 "><p id="dcs-api-0312015__p169682045105320">value_type</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.4.4.2.4.1.2 "><p id="dcs-api-0312015__p69681745185319">String</p>
</td>
<td class="cellrowborder" valign="top" width="56.00000000000001%" headers="mcps1.3.4.4.2.4.1.3 "><p id="dcs-api-0312015__p14968124595312">Type of the configuration parameter value. For the possible values, see the <strong id="dcs-api-0312015__b1753057201714">Value Type</strong> column in <a href="#dcs-api-0312015__table1439111281351">Table 4</a>.</p>
</td>
</tr>
<tr id="dcs-api-0312015__row199681245175314"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.4.2.4.1.1 "><p id="dcs-api-0312015__p696814515531">value_range</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.4.4.2.4.1.2 "><p id="dcs-api-0312015__p4968144519534">String</p>
</td>
<td class="cellrowborder" valign="top" width="56.00000000000001%" headers="mcps1.3.4.4.2.4.1.3 "><p id="dcs-api-0312015__p296811453533">Range of the configuration parameter value. For the possible values, see the <strong id="dcs-api-0312015__b8102139171812">Value Range</strong> column in <a href="#dcs-api-0312015__table1439111281351">Table 4</a>.</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1846315335114"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.4.2.4.1.1 "><p id="dcs-api-0312015__p124645331512">node_role</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.4.4.2.4.1.2 "><p id="dcs-api-0312015__p24641335113">String</p>
</td>
<td class="cellrowborder" valign="top" width="56.00000000000001%" headers="mcps1.3.4.4.2.4.1.3 "><p id="dcs-api-0312015__p2464193317114">If null or empty is returned, the node is a default node, that is, the Redis Server node. If <strong id="dcs-api-0312015__b19309175834518">proxy</strong> is returned, the node is a proxy node.</p>
</td>
</tr>
</tbody>
</table>
</div>
<p id="dcs-api-0312015__p197262152116"><a href="#dcs-api-0312015__table1439111281351">Table 4</a> describes the configuration parameters of a DCS instance.</p>
<div class="tablenoborder"><a name="dcs-api-0312015__table1439111281351"></a><a name="table1439111281351"></a><table cellpadding="4" cellspacing="0" summary="" id="dcs-api-0312015__table1439111281351" frame="border" border="1" rules="all"><caption><b>Table 4 </b>Configuration parameters of a DCS instance</caption><thead align="left"><tr id="dcs-api-0312015__row341117287513"><th align="left" class="cellrowborder" valign="top" width="10.000000000000002%" id="mcps1.3.4.6.2.7.1.1"><p id="dcs-api-0312015__p641592815516">Parameter ID</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="13.000000000000004%" id="mcps1.3.4.6.2.7.1.2"><p id="dcs-api-0312015__p142012815513">Parameter Name</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="12.000000000000002%" id="mcps1.3.4.6.2.7.1.3"><p id="dcs-api-0312015__p1342932816511">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="34.00000000000001%" id="mcps1.3.4.6.2.7.1.4"><p id="dcs-api-0312015__p74341628951">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="22.000000000000004%" id="mcps1.3.4.6.2.7.1.5"><p id="dcs-api-0312015__p1438162811513">Value Range</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="9.000000000000002%" id="mcps1.3.4.6.2.7.1.6"><p id="dcs-api-0312015__p14442202817520">Default Value</p>
</th>
</tr>
</thead>
<tbody><tr id="dcs-api-0312015__row114457282052"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p19449142814519">1</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p1453112820520">timeout</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p94631928151">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p194671128257">Connection between the client and server (DCS instance) will be closed if the client is idle for the timeout period (measured in seconds). A timeout period of 0 seconds indicates that the timeout function is disabled.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p1447132818515">07200 seconds</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p847413281518">0</p>
</td>
</tr>
<tr id="dcs-api-0312015__row9476172811519"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p6480132816513">2</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p348382819517">maxmemory-policy</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p104911928155">String</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p44951028258">How Redis will select what to remove when maxmemory is reached.</p>
<p id="dcs-api-0312015__p54671923311"></p>
<p id="dcs-api-0312015__p2348195723718">For details about key eviction, see the <a href="https://redis.io/docs/about/" target="_blank" rel="noopener noreferrer">Redis official website</a>.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p12902713161617">volatile-lru</p>
<p id="dcs-api-0312015__p0902111341620">allkeys-lru</p>
<p id="dcs-api-0312015__p790216136168">volatile-random</p>
<p id="dcs-api-0312015__p5902181314165">allkeys-random</p>
<p id="dcs-api-0312015__p12902161311162">volatile-ttl</p>
<p id="dcs-api-0312015__p490341317169">noeviction</p>
<p id="dcs-api-0312015__p762680121216">volatile-lfu</p>
<p id="dcs-api-0312015__p1955271931114">allkeys-lfu</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p15751152111318"><strong id="dcs-api-0312015__b4210164418372">noeviction</strong> or <strong id="dcs-api-0312015__b821220446372">volatile-lru</strong></p>
<p id="dcs-api-0312015__p875165211318">The value range and default value depend on the instance version and type.</p>
</td>
</tr>
<tr id="dcs-api-0312015__row12517122812512"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p65211728552">3</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p195255282057">hash-max-ziplist-entries</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p65341281150">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p05388284518">When the number of entries in hashes is less than the value of this parameter, hashes are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p85411228155">110,000</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p1554592817516">512</p>
</td>
</tr>
<tr id="dcs-api-0312015__row054702814515"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p955182813513">4</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p115550281250">hash-max-ziplist-value</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p256519283514">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p65692028552">When the biggest entry in hashes does not exceed the length threshold indicated by this parameter, hashes are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p55779281756">110,000</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p4581192813515">64</p>
</td>
</tr>
<tr id="dcs-api-0312015__row7584112813516"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p1458792815516">5</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p859214281551">list-max-ziplist-entries</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p46000281259">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p1260492814520">When the number of entries in lists is less than the value of this parameter, lists are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p2607192815518">110,000</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p861142817511">512</p>
</td>
</tr>
<tr id="dcs-api-0312015__row156128281354"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p14615192814511">6</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p86209284517">list-max-ziplist-value</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p1362916280513">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p46325281851">When the biggest entry in lists does not exceed the length threshold indicated by this parameter, lists are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p663762810517">110,000</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p9644172819515">64</p>
</td>
</tr>
<tr id="dcs-api-0312015__row764572817514"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p1064913281059">7</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p1665562811515">set-max-intset-entries</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p86631028253">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p16676286511">When a set is composed entirely of strings and the number of integers does not exceed the length threshold indicated by this parameter, the set is encoded using intset to save memory.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p4672172817519">110,000</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p12675628558">512</p>
</td>
</tr>
<tr id="dcs-api-0312015__row46773281259"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p1568113281058">8</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p186861028951">zset-max-ziplist-entries</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p126930282514">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p270118281055">When the number of entries in sorted sets is less than the value of this parameter, sorted sets are encoded using a memory efficient data structure.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p670552818514">110,000</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p4708192815514">128</p>
</td>
</tr>
<tr id="dcs-api-0312015__row87105285519"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p137158281153">9</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p1072010281359">zset-max-ziplist-value</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p1372920281553">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p15734102814511">When the biggest entry in sorted sets does not exceed the length threshold indicated by this parameter, sorted sets are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p12739142813513">110,000</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p19742172811510">64</p>
</td>
</tr>
<tr id="dcs-api-0312015__row974410281753"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p774913281759">10</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p1475382818517">latency-monitor-threshold</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p47641928453">IntegerInteger</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p177681285519">The minimum amount of latency that will be logged as latency spikes</p>
<p id="dcs-api-0312015__p147705281752">If this parameter is set to <strong id="dcs-api-0312015__b870933065420">0</strong>, latency monitoring is disabled. If this parameter is set to a value greater than 0, all events blocking the server for a time greater than the configured value will be logged.</p>
<p id="dcs-api-0312015__p47721428251">By running the LATENCY command, you can perform operations related to latency monitoring, such as obtaining statistical data, and configuring and enabling latency monitoring. For more information about the latency-monitor-threshold, visit <a href="https://redis.io/docs/reference/optimization/latency-monitor/" target="_blank" rel="noopener noreferrer">https://redis.io/docs/reference/optimization/latency-monitor/</a>.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p57762281152">086,400,000 ms</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p107821628859">0</p>
</td>
</tr>
<tr id="dcs-api-0312015__row129151936125419"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p491553635410">11</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p1227325345514">maxclients</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p16273653115516">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p1927365345511">The maximum number of clients allowed to be concurrently connected to a DCS instance.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p19273135325517">100050,000</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p9273175375512">10,000</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1378412812513"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p778915288513">12</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p17796142818515">reserved-memory</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p1880314281459">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p7307339173312">Reserved memory, which is the number of megabytes reserved for the backend to perform internal processing such as persistence and master/standby replication.</p>
<p id="dcs-api-0312015__p38851334333">This parameter is available only for master/standby instances.</p>
<p id="dcs-api-0312015__p16812628551">The size of the reserved memory can be adjusted, but must be in the value range described in the next column. For more information about maximum available memory of each instance type, see <em id="dcs-api-0312015__i6666133115511">Distributed Cache Service User Guide</em>.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p9817828555">0% to 50% of maximum memory space initially available to the instance and below the current free memory space. Unit: MB.</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p78221281956">0</p>
</td>
</tr>
<tr id="dcs-api-0312015__row0827122812513"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p1283219281154">13</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p128389281352">notify-keyspace-events</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p9849102814520">String</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p485418285514">Keyspace event notification. If this parameter is configured, the Redis Sub/Pub feature will allow clients to receive an event when a Redis data set is modified.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p98601128754">If the parameter value contains multiple characters, keyspace event notification is enabled and each character identifies a class of keyspace events for which Redis will send notifications.</p>
<p id="dcs-api-0312015__p78838286510">K: Keyspace events, published with the __keyspace@__ prefix</p>
<p id="dcs-api-0312015__p888422812513">E: Keyevent events, published with the __keyevent@__ prefix</p>
<p id="dcs-api-0312015__p1888872818513">g: Generic commands (non-type specific) such as DEL, EXPIRE, and RENAME</p>
<p id="dcs-api-0312015__p1289017281558">$: String commands</p>
<p id="dcs-api-0312015__p18914281854">l: List commands</p>
<p id="dcs-api-0312015__p289392815513">s: Set commands</p>
<p id="dcs-api-0312015__p289519285512">h: Hash commands</p>
<p id="dcs-api-0312015__p78961528456">z: Sorted set commands</p>
<p id="dcs-api-0312015__p148982028355">x: Expired events (events generated every time a key expires)</p>
<p id="dcs-api-0312015__p17900182816519">e: Evicted events (events generated when a key is evicted for maxmemory)</p>
<p id="dcs-api-0312015__p14970177195518">For more information, see the following note.</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p18452173419149">Ex</p>
</td>
</tr>
<tr id="dcs-api-0312015__row924117133129"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p458020340173">14</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p15580143451713">repl-backlog-size</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p95801034151713">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p1217427172013">The replication backlog size in bytes. The backlog is a buffer that accumulates replica data when replicas are disconnected from the master. When a replica reconnects, a partial synchronization is performed to synchronize the data that was missed while replicas were disconnected.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p115801534151710">16,3841,073,741,824</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p115804344174">1,048,576</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1568261815127"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p75801834201712">15</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p11580534111716">repl-backlog-ttl</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p135816347174">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p12353956123810">The amount of time, in seconds, before the backlog buffer is released, starting from the last a replica was disconnected. The value <strong id="dcs-api-0312015__b614232012347">0</strong> indicates that the backlog is never released.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p155818346171">0604,800</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p1258133451711">3600</p>
</td>
</tr>
<tr id="dcs-api-0312015__row104981244126"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p1558117349178">16</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p1581133410176">appendfsync</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p14581103419173">String</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p315045264010">Controls how often fsync() transfers cached data to the disk. Note that some OSs will perform a complete data transfer but some others only make a "best-effort" attempt.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p139291156416">Redis calls fsync() in one of the following ways:</p>
<p id="dcs-api-0312015__p205461022124118"><strong id="dcs-api-0312015__b329675415367">no</strong>: fsync() is never called. The OS will flush data when it is ready. This mode offers the highest performance.</p>
<p id="dcs-api-0312015__p15813344170"><strong id="dcs-api-0312015__b184791156183611">always</strong>: fsync() is called after every write to the AOF. This mode is very slow, but also very safe. <strong id="dcs-api-0312015__b14807133143715">everysec</strong>: fsync() is called once per second. This mode provides a compromise between safety and performance.</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p125814340179">everysec</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1645512351129"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p10582193417171">17</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p1158283441711">appendonly</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p85823344176">String</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p910745854116">Indicates whether to log each modification of the instance. By default, data is written to disks asynchronously in Redis. If this function is disabled, recently-generated data might be lost in the event of a power failure.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p1858303412179">yes,no</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p658363418177">yes</p>
</td>
</tr>
<tr id="dcs-api-0312015__row13191941121215"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p17583143411172">18</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p1958363441712">slowlog-log-slower-than</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p1758310347178">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p389493216447">Redis uses the slow log to record queries that exceed a specified execution time. <strong id="dcs-api-0312015__b9730115418572">slowlog-log-slower-than</strong> is the maximum time allowed, in microseconds, for command execution. If this threshold is exceeded, Slow Log will record the command.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p558343418174">01,000,000</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p195831234121711">10,000</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1828194801218"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p7584143481715">19</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p205847348173">slowlog-max-len</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p1958443415177">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p1740984224510">The maximum allowed length of the Redis Slow Log logs. Slow Log consumes memory, but you can reclaim this memory by running the <strong id="dcs-api-0312015__b13961131913593">SLOWLOG RESET</strong> command.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p75855346179">01000</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p10586634111717">128</p>
</td>
</tr>
<tr id="dcs-api-0312015__row16154185518125"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p13586153418178">20</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p1458623401717">lua-time-limit</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p9586133420176">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p1258653417176">The maximum time allowed for executing a Lua script, in milliseconds.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p13586434141718">1005000</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p1358619344176">5000</p>
</td>
</tr>
<tr id="dcs-api-0312015__row143212141319"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p4586183411179">21</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p145871634171710">repl-timeout</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p175871534101712">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p13588834141713">Replication timeout, in seconds.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p95880341174">303600</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p558863461720">60</p>
</td>
</tr>
<tr id="dcs-api-0312015__row19246310151319"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p1258823411176">22</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p195885342179">proto-max-bulk-len</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p18588153471713">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p1812719287563">The maximum size (in bytes) of a single element request.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p258923413175">1,048,576536,870,912</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p1658923416171">536,870,912</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1095010541819"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p1871014111243">23</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p187108115240">master-read-only</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p87102114246">String</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p8553165712566">Sets the instance to be read-only. All write operations will fail.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p207101015246">yes,no</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p671111202418">no</p>
</td>
</tr>
<tr id="dcs-api-0312015__row10665123414192"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p618111213242">24</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p18181512152416">client-output-buffer-slave-soft-limit</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p418151219243">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p19183121245">Soft limit (in bytes) on the output buffer of replica clients. Once the output buffer exceeds the soft limit and continuously remains above the limit for the time specified by the <strong id="dcs-api-0312015__b6132815311">client-output-buffer-limit-slave-soft-seconds</strong> parameter, the client is disconnected.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p7561124683317">0134,217,728</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p19181912202414"><span style="color:#252B3A;">13,421,772</span></p>
</td>
</tr>
<tr id="dcs-api-0312015__row106571339171918"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p1499952832411">25</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p7999628182418">client-output-buffer-slave-hard-limit</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p999952872413">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p19862105085811">Hard limit (in bytes) on the output buffer of replica clients. Once the output buffer exceeds the hard limit, the client is immediately disconnected.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p8721551143414">0134,217,728</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p17722851163415">13,421,772</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1866394520195"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p12702133752410">26</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p3702937102417">client-output-buffer-limit-slave-soft-seconds</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p77032037172413">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p0107101355912">Number of seconds that the output buffer remains above <strong id="dcs-api-0312015__b13796104915112">client-output-buffer-slave-soft-limit</strong> before the client is disconnected.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p4704123710244">060</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p14705637172415">60</p>
</td>
</tr>
<tr id="dcs-api-0312015__row5305018102415"><td class="cellrowborder" valign="top" width="10.000000000000002%" headers="mcps1.3.4.6.2.7.1.1 "><p id="dcs-api-0312015__p175051048152412">30</p>
</td>
<td class="cellrowborder" valign="top" width="13.000000000000004%" headers="mcps1.3.4.6.2.7.1.2 "><p id="dcs-api-0312015__p20505134810247">reserved-memory-percent</p>
</td>
<td class="cellrowborder" valign="top" width="12.000000000000002%" headers="mcps1.3.4.6.2.7.1.3 "><p id="dcs-api-0312015__p125061248192411">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="34.00000000000001%" headers="mcps1.3.4.6.2.7.1.4 "><p id="dcs-api-0312015__p242362019142">Percentage of memory reserved for non-cache memory usage.</p>
</td>
<td class="cellrowborder" valign="top" width="22.000000000000004%" headers="mcps1.3.4.6.2.7.1.5 "><p id="dcs-api-0312015__p19507114892420">080</p>
</td>
<td class="cellrowborder" valign="top" width="9.000000000000002%" headers="mcps1.3.4.6.2.7.1.6 "><p id="dcs-api-0312015__p1050854852416">0</p>
</td>
</tr>
</tbody>
</table>
</div>
<p id="dcs-api-0312015__p13869233766"><a href="#dcs-api-0312015__table345118121114">Table 5</a>, <a href="#dcs-api-0312015__table926781142120">Table 6</a>, <a href="#dcs-api-0312015__table143241417251">Table 7</a>, <a href="#dcs-api-0312015__table1827484732820">Table 8</a>, <a href="#dcs-api-0312015__table1791611321">Table 9</a>, and <a href="#dcs-api-0312015__table1146611119158">Table 10</a> describe the configuration parameters of different DCS instances.</p>
<div class="tablenoborder"><a name="dcs-api-0312015__table345118121114"></a><a name="table345118121114"></a><table cellpadding="4" cellspacing="0" summary="" id="dcs-api-0312015__table345118121114" frame="border" border="1" rules="all"><caption><b>Table 5 </b>Configuration parameters of a single-node DCS Redis 3.0 instance</caption><thead align="left"><tr id="dcs-api-0312015__row64611811111"><th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.8.2.8.1.1"><p id="dcs-api-0312015__p114671811112">Instance Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.8.2.8.1.2"><p id="dcs-api-0312015__p9230194818115">Parameter ID</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.8.2.8.1.3"><p id="dcs-api-0312015__p2230348161112">Parameter Name</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.8.2.8.1.4"><p id="dcs-api-0312015__p52301748171112">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.8.2.8.1.5"><p id="dcs-api-0312015__p1523015481116">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.8.2.8.1.6"><p id="dcs-api-0312015__p1423012489117">Value Range</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.8.2.8.1.7"><p id="dcs-api-0312015__p4230174871110">Default Value</p>
</th>
</tr>
</thead>
<tbody><tr id="dcs-api-0312015__row1147818201111"><td class="cellrowborder" rowspan="14" valign="top" width="14.285714285714285%" headers="mcps1.3.4.8.2.8.1.1 "><p id="dcs-api-0312015__p134710187117">Single-node Redis 3.0</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.8.2.8.1.2 "><p id="dcs-api-0312015__p4433749141411">1</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.8.2.8.1.3 "><p id="dcs-api-0312015__p3433154912147">timeout</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.8.2.8.1.4 "><p id="dcs-api-0312015__p7433104941417">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.8.2.8.1.5 "><p id="dcs-api-0312015__p14433204951416">Connection between the client and server (DCS instance) will be closed if the client is idle for the timeout period (measured in seconds). A timeout period of 0 seconds indicates that the timeout function is disabled.</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.8.2.8.1.6 "><p id="dcs-api-0312015__p17434114911146">07200 seconds</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.8.2.8.1.7 "><p id="dcs-api-0312015__p14434194991411">0</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1147218191112"><td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.1 "><p id="dcs-api-0312015__p154340494144">2</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.2 "><p id="dcs-api-0312015__p16434949131417">maxmemory-policy</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.3 "><p id="dcs-api-0312015__p15434349191412">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.4 "><p id="dcs-api-0312015__p943444911148">How Redis will select what to remove when maxmemory is reached.</p>
<p id="dcs-api-0312015__p386614156316">For details about key eviction, see the <a href="https://redis.io/docs/about/" target="_blank" rel="noopener noreferrer">Redis official website</a>.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.5 "><p id="dcs-api-0312015__p1243464912147">volatile-lru</p>
<p id="dcs-api-0312015__p15434149161410">allkeys-lru</p>
<p id="dcs-api-0312015__p1343411491145">volatile-random</p>
<p id="dcs-api-0312015__p3434549141414">allkeys-random</p>
<p id="dcs-api-0312015__p164341149141413">volatile-ttl</p>
<p id="dcs-api-0312015__p1543464991415">noeviction</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.6 "><p id="dcs-api-0312015__p24341849131419">noeviction</p>
</td>
</tr>
<tr id="dcs-api-0312015__row15471418181118"><td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.1 "><p id="dcs-api-0312015__p17434144921414">3</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.2 "><p id="dcs-api-0312015__p134341649171411">hash-max-ziplist-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.3 "><p id="dcs-api-0312015__p1143414911142">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.4 "><p id="dcs-api-0312015__p154351649201418">When the number of entries in hashes is less than the value of this parameter, hashes are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.5 "><p id="dcs-api-0312015__p6435134912148">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.6 "><p id="dcs-api-0312015__p143564991415">512</p>
</td>
</tr>
<tr id="dcs-api-0312015__row348101813112"><td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.1 "><p id="dcs-api-0312015__p144352049111413">4</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.2 "><p id="dcs-api-0312015__p154351249101418">hash-max-ziplist-value</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.3 "><p id="dcs-api-0312015__p1435449171415">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.4 "><p id="dcs-api-0312015__p8435449191410">When the biggest entry in hashes does not exceed the length threshold indicated by this parameter, hashes are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.5 "><p id="dcs-api-0312015__p04350494142">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.6 "><p id="dcs-api-0312015__p20435149101416">64</p>
</td>
</tr>
<tr id="dcs-api-0312015__row84831813119"><td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.1 "><p id="dcs-api-0312015__p1843512493148">5</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.2 "><p id="dcs-api-0312015__p1443534918148">list-max-ziplist-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.3 "><p id="dcs-api-0312015__p6435124971415">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.4 "><p id="dcs-api-0312015__p1543511499142">When the number of entries in lists is less than the value of this parameter, lists are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.5 "><p id="dcs-api-0312015__p0436184911149">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.6 "><p id="dcs-api-0312015__p1543694910148">512</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1648191815119"><td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.1 "><p id="dcs-api-0312015__p1543614499147">6</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.2 "><p id="dcs-api-0312015__p84361349151415">list-max-ziplist-value</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.3 "><p id="dcs-api-0312015__p14436194991416">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.4 "><p id="dcs-api-0312015__p17436124911420">When the biggest entry in lists does not exceed the length threshold indicated by this parameter, lists are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.5 "><p id="dcs-api-0312015__p1743614941410">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.6 "><p id="dcs-api-0312015__p2436549141416">64</p>
</td>
</tr>
<tr id="dcs-api-0312015__row3491618171115"><td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.1 "><p id="dcs-api-0312015__p114368499142">7</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.2 "><p id="dcs-api-0312015__p10436249201416">set-max-intset-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.3 "><p id="dcs-api-0312015__p44362492144">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.4 "><p id="dcs-api-0312015__p4436249171410">When a set is composed entirely of strings and the number of integers does not exceed the length threshold indicated by this parameter, the set is encoded using intset to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.5 "><p id="dcs-api-0312015__p144379494144">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.6 "><p id="dcs-api-0312015__p44372049131419">512</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1744604621314"><td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.1 "><p id="dcs-api-0312015__p7437154919142">8</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.2 "><p id="dcs-api-0312015__p1443734916147">zset-max-ziplist-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.3 "><p id="dcs-api-0312015__p1043794918146">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.4 "><p id="dcs-api-0312015__p184371149111415">When the number of entries in sorted sets is less than the value of this parameter, sorted sets are encoded using a memory efficient data structure.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.5 "><p id="dcs-api-0312015__p14437449181411">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.6 "><p id="dcs-api-0312015__p14437174911414">128</p>
</td>
</tr>
<tr id="dcs-api-0312015__row17857155017139"><td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.1 "><p id="dcs-api-0312015__p1643712497141">9</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.2 "><p id="dcs-api-0312015__p04379493143">zset-max-ziplist-value</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.3 "><p id="dcs-api-0312015__p1043724921411">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.4 "><p id="dcs-api-0312015__p8437164981411">When the biggest entry in sorted sets does not exceed the length threshold indicated by this parameter, sorted sets are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.5 "><p id="dcs-api-0312015__p3437134921410">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.6 "><p id="dcs-api-0312015__p143884921416">64</p>
</td>
</tr>
<tr id="dcs-api-0312015__row889010547133"><td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.1 "><p id="dcs-api-0312015__p184389490143">10</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.2 "><p id="dcs-api-0312015__p18438049111412">latency-monitor-threshold</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.3 "><p id="dcs-api-0312015__p11439249161415">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.4 "><p id="dcs-api-0312015__p84394498148">The minimum amount of latency that will be logged as latency spikes</p>
<p id="dcs-api-0312015__p114391949101413">If this parameter is set to <strong id="dcs-api-0312015__b175858411541">0</strong>, latency monitoring is disabled. If this parameter is set to a value greater than 0, all events blocking the server for a time greater than the configured value will be logged.</p>
<p id="dcs-api-0312015__p16439349191414">By running the LATENCY command, you can perform operations related to latency monitoring, such as obtaining statistical data, and configuring and enabling latency monitoring. For more information about the latency-monitor-threshold, visit <a href="https://redis.io/docs/reference/optimization/latency-monitor/" target="_blank" rel="noopener noreferrer">https://redis.io/docs/reference/optimization/latency-monitor/</a>.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.5 "><p id="dcs-api-0312015__p9439549141411">086,400,000 ms</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.6 "><p id="dcs-api-0312015__p6439194901415">0</p>
</td>
</tr>
<tr id="dcs-api-0312015__row167571258131311"><td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.1 "><p id="dcs-api-0312015__p193533214159">13</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.2 "><p id="dcs-api-0312015__p1735362141518">notify-keyspace-events</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.3 "><p id="dcs-api-0312015__p2353152101515">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.4 "><p id="dcs-api-0312015__p1635382191513">Keyspace event notification. If this parameter is configured, the Redis Sub/Pub feature will allow clients to receive an event when a Redis data set is modified.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.5 "><p id="dcs-api-0312015__p735372112153">If the parameter value contains multiple characters, keyspace event notification is enabled and each character identifies a class of keyspace events for which Redis will send notifications.</p>
<p id="dcs-api-0312015__p53531021161514">K: Keyspace events, published with the __keyspace@__ prefix</p>
<p id="dcs-api-0312015__p135302141516">E: Keyevent events, published with the __keyevent@__ prefix</p>
<p id="dcs-api-0312015__p735452181513">g: Generic commands (non-type specific) such as DEL, EXPIRE, and RENAME</p>
<p id="dcs-api-0312015__p735432112151">$: String commands</p>
<p id="dcs-api-0312015__p8354112110153">l: List commands</p>
<p id="dcs-api-0312015__p11354142111151">s: Set commands</p>
<p id="dcs-api-0312015__p113547217151">h: Hash commands</p>
<p id="dcs-api-0312015__p535482121517">z: Sorted set commands</p>
<p id="dcs-api-0312015__p18354102110155">x: Expired events (events generated every time a key expires)</p>
<p id="dcs-api-0312015__p7354152117150">e: Evicted events (events generated when a key is evicted for maxmemory)</p>
<p id="dcs-api-0312015__p2354121161518">For more information, see the note below the table.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.6 "><p id="dcs-api-0312015__p127581458191319">Ex</p>
</td>
</tr>
<tr id="dcs-api-0312015__row47761026147"><td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.1 "><p id="dcs-api-0312015__p463319549153">18</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.2 "><p id="dcs-api-0312015__p963313541152">slowlog-log-slower-than</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.3 "><p id="dcs-api-0312015__p17633175412155">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.4 "><p id="dcs-api-0312015__p1063475481515">Redis uses the slow log to record queries that exceed a specified execution time. <strong id="dcs-api-0312015__b1472448218">slowlog-log-slower-than</strong> is the maximum time allowed, in microseconds, for command execution. If this threshold is exceeded, Slow Log will record the command.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.5 "><p id="dcs-api-0312015__p3634195491517">01,000,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.6 "><p id="dcs-api-0312015__p146341254141513">10,000</p>
</td>
</tr>
<tr id="dcs-api-0312015__row193646111419"><td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.1 "><p id="dcs-api-0312015__p11634145411152">19</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.2 "><p id="dcs-api-0312015__p7634205491516">slowlog-max-len</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.3 "><p id="dcs-api-0312015__p6634145441517">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.4 "><p id="dcs-api-0312015__p1863575461519">The maximum allowed length of the Redis Slow Log logs. Slow Log consumes memory, but you can reclaim this memory by running the <strong id="dcs-api-0312015__b1091639824">SLOWLOG RESET</strong> command.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.5 "><p id="dcs-api-0312015__p18635105401517">01000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.6 "><p id="dcs-api-0312015__p96351854191514">128</p>
</td>
</tr>
<tr id="dcs-api-0312015__row209773891615"><td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.1 "><p id="dcs-api-0312015__p4982172715169">30</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.2 "><p id="dcs-api-0312015__p129821272163">reserved-memory-percent</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.3 "><p id="dcs-api-0312015__p0983122751610">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.4 "><p id="dcs-api-0312015__p10983172714165">Percentage of memory reserved for non-cache memory usage.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.5 "><p id="dcs-api-0312015__p5983182721620">080</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.8.2.8.1.6 "><p id="dcs-api-0312015__p1598392721614">0</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="dcs-api-0312015__table926781142120"></a><a name="table926781142120"></a><table cellpadding="4" cellspacing="0" summary="" id="dcs-api-0312015__table926781142120" frame="border" border="1" rules="all"><caption><b>Table 6 </b>Configuration parameters of a master/standby DCS Redis 3.0 instance</caption><thead align="left"><tr id="dcs-api-0312015__row14268101112116"><th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.9.2.8.1.1"><p id="dcs-api-0312015__p52681714215">Instance Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.9.2.8.1.2"><p id="dcs-api-0312015__p1013804818213">Parameter ID</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.9.2.8.1.3"><p id="dcs-api-0312015__p513894815213">Parameter Name</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.9.2.8.1.4"><p id="dcs-api-0312015__p13138148132115">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.9.2.8.1.5"><p id="dcs-api-0312015__p713819483216">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.9.2.8.1.6"><p id="dcs-api-0312015__p313874802110">Value Range</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.9.2.8.1.7"><p id="dcs-api-0312015__p7138174812110">Default Value</p>
</th>
</tr>
</thead>
<tbody><tr id="dcs-api-0312015__row102691518213"><td class="cellrowborder" rowspan="18" valign="top" width="14.285714285714285%" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p3269161142110">Master/standby Redis 3.0</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p123271125122216">1</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p9327725152213">timeout</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p20327172510221">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p1332712250222">Connection between the client and server (DCS instance) will be closed if the client is idle for the timeout period (measured in seconds). A timeout period of 0 seconds indicates that the timeout function is disabled.</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p1132822515226">07200 seconds</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.9.2.8.1.7 "><p id="dcs-api-0312015__p73284257229">0</p>
</td>
</tr>
<tr id="dcs-api-0312015__row18269151202110"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p93281525182214">2</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p17328142572216">maxmemory-policy</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p1732862512217">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p18328725122211">How Redis will select what to remove when maxmemory is reached.</p>
<p id="dcs-api-0312015__p1632111408302">For details about key eviction, see the <a href="https://redis.io/docs/about/" target="_blank" rel="noopener noreferrer">Redis official website</a>.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p6328525112219">volatile-lru</p>
<p id="dcs-api-0312015__p123289254226">allkeys-lru</p>
<p id="dcs-api-0312015__p193289250228">volatile-random</p>
<p id="dcs-api-0312015__p932817250224">allkeys-random</p>
<p id="dcs-api-0312015__p93287252224">volatile-ttl</p>
<p id="dcs-api-0312015__p13328162520226">noeviction</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p73283259223">noeviction</p>
</td>
</tr>
<tr id="dcs-api-0312015__row102693118210"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p1832816254229">3</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p6328122522213">hash-max-ziplist-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p12329172552210">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p133291525182212">When the number of entries in hashes is less than the value of this parameter, hashes are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p1832982510227">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p532952516226">512</p>
</td>
</tr>
<tr id="dcs-api-0312015__row02691118216"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p18329122512223">4</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p16329132515223">hash-max-ziplist-value</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p1432922514227">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p1632922592213">When the biggest entry in hashes does not exceed the length threshold indicated by this parameter, hashes are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p6329182512216">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p193291725122220">64</p>
</td>
</tr>
<tr id="dcs-api-0312015__row11269181182114"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p23291225122218">5</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p193293250222">list-max-ziplist-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p3329192515223">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p73291725172213">When the number of entries in lists is less than the value of this parameter, lists are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p11329725192212">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p23291025192219">512</p>
</td>
</tr>
<tr id="dcs-api-0312015__row026915113215"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p2329132592210">6</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p1332914250222">list-max-ziplist-value</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p7330125102218">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p143309256227">When the biggest entry in lists does not exceed the length threshold indicated by this parameter, lists are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p9330125172219">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p16330152522217">64</p>
</td>
</tr>
<tr id="dcs-api-0312015__row10270610216"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p193301625132214">7</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p1333022562217">set-max-intset-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p123301325172211">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p933002562214">When a set is composed entirely of strings and the number of integers does not exceed the length threshold indicated by this parameter, the set is encoded using intset to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p193301425202218">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p5330152582214">512</p>
</td>
</tr>
<tr id="dcs-api-0312015__row2270131162117"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p1330625182218">8</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p7330132515225">zset-max-ziplist-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p6330182517222">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p033013258227">When the number of entries in sorted sets is less than the value of this parameter, sorted sets are encoded using a memory efficient data structure.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p6330425152218">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p13306257221">128</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1427001192118"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p1133132562220">9</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p2033111258223">zset-max-ziplist-value</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p1433132512210">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p733172512225">When the biggest entry in sorted sets does not exceed the length threshold indicated by this parameter, sorted sets are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p1833162512227">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p1433102510228">64</p>
</td>
</tr>
<tr id="dcs-api-0312015__row122704110216"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p11331152552211">10</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p6331192532214">latency-monitor-threshold</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p33312025192211">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p1633112258229">The minimum amount of latency that will be logged as latency spikes</p>
<p id="dcs-api-0312015__p18331122516221">If this parameter is set to <strong id="dcs-api-0312015__b2081248165410">0</strong>, latency monitoring is disabled. If this parameter is set to a value greater than 0, all events blocking the server for a time greater than the configured value will be logged.</p>
<p id="dcs-api-0312015__p173326257225">By running the LATENCY command, you can perform operations related to latency monitoring, such as obtaining statistical data, and configuring and enabling latency monitoring. For more information about the latency-monitor-threshold, visit <a href="https://redis.io/docs/reference/optimization/latency-monitor/" target="_blank" rel="noopener noreferrer">https://redis.io/docs/reference/optimization/latency-monitor/</a>.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p1633215253228">086,400,000 ms</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p43321825182218">0</p>
</td>
</tr>
<tr id="dcs-api-0312015__row142717119215"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p1367771332315">13</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p6677201314239">notify-keyspace-events</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p19677161315230">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p2677201313234">Keyspace event notification. If this parameter is configured, the Redis Sub/Pub feature will allow clients to receive an event when a Redis data set is modified.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p1467771317237">If the parameter value contains multiple characters, keyspace event notification is enabled and each character identifies a class of keyspace events for which Redis will send notifications.</p>
<p id="dcs-api-0312015__p1467701314234">K: Keyspace events, published with the __keyspace@__ prefix</p>
<p id="dcs-api-0312015__p56774132234">E: Keyevent events, published with the __keyevent@__ prefix</p>
<p id="dcs-api-0312015__p1677713192318">g: Generic commands (non-type specific) such as DEL, EXPIRE, and RENAME</p>
<p id="dcs-api-0312015__p16771313142314">$: String commands</p>
<p id="dcs-api-0312015__p1677113162315">l: List commands</p>
<p id="dcs-api-0312015__p267721342314">s: Set commands</p>
<p id="dcs-api-0312015__p12677713102312">h: Hash commands</p>
<p id="dcs-api-0312015__p136771113122315">z: Sorted set commands</p>
<p id="dcs-api-0312015__p13677813132317">x: Expired events (events generated every time a key expires)</p>
<p id="dcs-api-0312015__p19677713192310">e: Evicted events (events generated when a key is evicted for maxmemory)</p>
<p id="dcs-api-0312015__p16677131392313">For more information, see the following note.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p11677181319233">Ex</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1827217162114"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p8678413142318">14</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p36782134230">repl-backlog-size</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p067861332316">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p2067810136239">The replication backlog size in bytes. The backlog is a buffer that accumulates replica data when replicas are disconnected from the master. When a replica reconnects, a partial synchronization is performed to synchronize the data that was missed while replicas were disconnected.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p06786138238">16,3841,073,741,824</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p0678171312239">1,048,576</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1027218113219"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p16678613172311">15</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p1167861316232">repl-backlog-ttl</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p16781713172317">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p1867841302318">The amount of time, in seconds, before the backlog buffer is released, starting from the last a replica was disconnected. The value <strong id="dcs-api-0312015__b1170268102">0</strong> indicates that the backlog is never released.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p467861317234">0604,800</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p16678141316238">3600</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1327201122115"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p1567931342312">16</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p9679151310239">appendfsync</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p156791113142314">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p5679113122319">Controls how often fsync() transfers cached data to the disk. Note that some OSs will perform a complete data transfer but some others only make a "best-effort" attempt.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p8679111392311">Redis calls fsync() in one of the following ways:</p>
<p id="dcs-api-0312015__p1967951320237"><strong id="dcs-api-0312015__b1703573152">no</strong>: fsync() is never called. The OS will flush data when it is ready. This mode offers the highest performance.</p>
<p id="dcs-api-0312015__p116791813112310"><strong id="dcs-api-0312015__b2006830866">always</strong>: fsync() is called after every write to the AOF. This mode is very slow, but also very safe. <strong id="dcs-api-0312015__b1997224250">everysec</strong>: fsync() is called once per second. This mode provides a compromise between safety and performance.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p186791913172319">everysec</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1927211120212"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p17679813182310">17</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p1467941310235">appendonly</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p4679121362311">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p10680513162310">Indicates whether to log each modification of the instance. By default, data is written to disks asynchronously in Redis. If this function is disabled, recently-generated data might be lost in the event of a power failure.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p1680121318233">yes,no</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p5680121318239">yes</p>
</td>
</tr>
<tr id="dcs-api-0312015__row32726111217"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p1768018138234">18</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p18680151382315">slowlog-log-slower-than</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p2680111317238">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p1868071342313">Redis uses the slow log to record queries that exceed a specified execution time. <strong id="dcs-api-0312015__b1250615727">slowlog-log-slower-than</strong> is the maximum time allowed, in microseconds, for command execution. If this threshold is exceeded, Slow Log will record the command.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p8680161372319">01,000,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p86801913192316">10,000</p>
</td>
</tr>
<tr id="dcs-api-0312015__row52721116219"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p3681121312315">19</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p156818134237">slowlog-max-len</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p13681181311238">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p1668191382313">The maximum allowed length of the Redis Slow Log logs. Slow Log consumes memory, but you can reclaim this memory by running the <strong id="dcs-api-0312015__b836048922">SLOWLOG RESET</strong> command.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p13681121352313">01000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p15681121311231">128</p>
</td>
</tr>
<tr id="dcs-api-0312015__row125331334172310"><td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.1 "><p id="dcs-api-0312015__p12593184642316">30</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.2 "><p id="dcs-api-0312015__p1759334619230">reserved-memory-percent</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.3 "><p id="dcs-api-0312015__p6593154672314">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.4 "><p id="dcs-api-0312015__p4593124612316">Percentage of memory reserved for non-cache memory usage.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.5 "><p id="dcs-api-0312015__p0593124622314">080</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.9.2.8.1.6 "><p id="dcs-api-0312015__p259311465231">0</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="dcs-api-0312015__table143241417251"></a><a name="table143241417251"></a><table cellpadding="4" cellspacing="0" summary="" id="dcs-api-0312015__table143241417251" frame="border" border="1" rules="all"><caption><b>Table 7 </b>Configuration parameters of a Proxy Cluster DCS Redis 3.0 instance</caption><thead align="left"><tr id="dcs-api-0312015__row143253452516"><th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.10.2.8.1.1"><p id="dcs-api-0312015__p53251447252">Instance Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.10.2.8.1.2"><p id="dcs-api-0312015__p6378183492518">Parameter ID</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.10.2.8.1.3"><p id="dcs-api-0312015__p1637918346251">Parameter Name</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.10.2.8.1.4"><p id="dcs-api-0312015__p16379234132516">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.10.2.8.1.5"><p id="dcs-api-0312015__p43791341259">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.10.2.8.1.6"><p id="dcs-api-0312015__p2379634172510">Value Range</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.10.2.8.1.7"><p id="dcs-api-0312015__p93791734102515">Default Value</p>
</th>
</tr>
</thead>
<tbody><tr id="dcs-api-0312015__row2326184142518"><td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.10.2.8.1.1 "><p id="dcs-api-0312015__p832617412510">Proxy Cluster Redis 3.0</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.10.2.8.1.2 "><p id="dcs-api-0312015__p1494812892618">2</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.10.2.8.1.3 "><p id="dcs-api-0312015__p169485822617">maxmemory-policy</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.10.2.8.1.4 "><p id="dcs-api-0312015__p159487832613">String</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.10.2.8.1.5 "><p id="dcs-api-0312015__p694810810264">How Redis will select what to remove when maxmemory is reached.</p>
<p id="dcs-api-0312015__p561631614388">For details about key eviction, see the <a href="https://redis.io/docs/about/" target="_blank" rel="noopener noreferrer">Redis official website</a>.</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.10.2.8.1.6 "><p id="dcs-api-0312015__p59489818269">volatile-lru</p>
<p id="dcs-api-0312015__p17948085264">allkeys-lru</p>
<p id="dcs-api-0312015__p3948158122612">volatile-random</p>
<p id="dcs-api-0312015__p159482084264">allkeys-random</p>
<p id="dcs-api-0312015__p994919815269">volatile-ttl</p>
<p id="dcs-api-0312015__p169498842614">noeviction</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.10.2.8.1.7 "><p id="dcs-api-0312015__p1094928112618">volatile-lru</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="dcs-api-0312015__table1827484732820"></a><a name="table1827484732820"></a><table cellpadding="4" cellspacing="0" summary="" id="dcs-api-0312015__table1827484732820" frame="border" border="1" rules="all"><caption><b>Table 8 </b>Configuration parameters of a single-node DCS Redis 4.0 or 5.0 instance</caption><thead align="left"><tr id="dcs-api-0312015__row8274184714281"><th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.11.2.8.1.1"><p id="dcs-api-0312015__p86516553286">Instance Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.11.2.8.1.2"><p id="dcs-api-0312015__p1065135542816">Parameter ID</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.11.2.8.1.3"><p id="dcs-api-0312015__p46595510284">Parameter Name</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.11.2.8.1.4"><p id="dcs-api-0312015__p13651355102811">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.11.2.8.1.5"><p id="dcs-api-0312015__p9664552283">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.11.2.8.1.6"><p id="dcs-api-0312015__p12661355102812">Value Range</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.11.2.8.1.7"><p id="dcs-api-0312015__p466655102810">Default Value</p>
</th>
</tr>
</thead>
<tbody><tr id="dcs-api-0312015__row3275347152812"><td class="cellrowborder" rowspan="15" valign="top" width="14.285714285714285%" headers="mcps1.3.4.11.2.8.1.1 "><p id="dcs-api-0312015__p42754478282">Single-node Redis 4.0 or 5.0</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.11.2.8.1.2 "><p id="dcs-api-0312015__p682801718312">1</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.11.2.8.1.3 "><p id="dcs-api-0312015__p482861773117">timeout</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.11.2.8.1.4 "><p id="dcs-api-0312015__p18828117153120">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.11.2.8.1.5 "><p id="dcs-api-0312015__p48281617123110">Connection between the client and server (DCS instance) will be closed if the client is idle for the timeout period (measured in seconds). A timeout period of 0 seconds indicates that the timeout function is disabled.</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.11.2.8.1.6 "><p id="dcs-api-0312015__p482815176313">07200 seconds</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.11.2.8.1.7 "><p id="dcs-api-0312015__p582817175313">0</p>
</td>
</tr>
<tr id="dcs-api-0312015__row16276147172814"><td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.1 "><p id="dcs-api-0312015__p1382891719314">2</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.2 "><p id="dcs-api-0312015__p148281217143115">maxmemory-policy</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.3 "><p id="dcs-api-0312015__p11828317153119">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.4 "><p id="dcs-api-0312015__p1882811715312">How Redis will select what to remove when maxmemory is reached.</p>
<p id="dcs-api-0312015__p1167122393813">For details about key eviction, see the <a href="https://redis.io/docs/about/" target="_blank" rel="noopener noreferrer">Redis official website</a>.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.5 "><p id="dcs-api-0312015__p197652588193">volatile-lru</p>
<p id="dcs-api-0312015__p4765195812195">allkeys-lru</p>
<p id="dcs-api-0312015__p9765358151919">volatile-random</p>
<p id="dcs-api-0312015__p13765155801912">allkeys-random</p>
<p id="dcs-api-0312015__p276565817194">volatile-ttl</p>
<p id="dcs-api-0312015__p1976545811911">noeviction</p>
<p id="dcs-api-0312015__p97651658121918">volatile-lfu</p>
<p id="dcs-api-0312015__p19765158141913">allkeys-lfu</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.6 "><p id="dcs-api-0312015__p1576516584194">volatile-lru</p>
</td>
</tr>
<tr id="dcs-api-0312015__row2277447142811"><td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.1 "><p id="dcs-api-0312015__p1582981713317">3</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.2 "><p id="dcs-api-0312015__p168291517153110">hash-max-ziplist-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.3 "><p id="dcs-api-0312015__p19829171743115">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.4 "><p id="dcs-api-0312015__p1482911172311">When the number of entries in hashes is less than the value of this parameter, hashes are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.5 "><p id="dcs-api-0312015__p8829111714314">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.6 "><p id="dcs-api-0312015__p782914179312">512</p>
</td>
</tr>
<tr id="dcs-api-0312015__row627712478282"><td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.1 "><p id="dcs-api-0312015__p582913178314">4</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.2 "><p id="dcs-api-0312015__p38291017123116">hash-max-ziplist-value</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.3 "><p id="dcs-api-0312015__p1582901713114">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.4 "><p id="dcs-api-0312015__p6829517103119">When the biggest entry in hashes does not exceed the length threshold indicated by this parameter, hashes are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.5 "><p id="dcs-api-0312015__p13829151773120">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.6 "><p id="dcs-api-0312015__p8829181718317">64</p>
</td>
</tr>
<tr id="dcs-api-0312015__row11277447162810"><td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.1 "><p id="dcs-api-0312015__p16253145143119">7</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.2 "><p id="dcs-api-0312015__p14253194518313">set-max-intset-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.3 "><p id="dcs-api-0312015__p1225304533114">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.4 "><p id="dcs-api-0312015__p125316454313">When a set is composed entirely of strings and the number of integers does not exceed the length threshold indicated by this parameter, the set is encoded using intset to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.5 "><p id="dcs-api-0312015__p0253124511317">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.6 "><p id="dcs-api-0312015__p14253184523110">512</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1227812476282"><td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.1 "><p id="dcs-api-0312015__p1025317453319">8</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.2 "><p id="dcs-api-0312015__p5253345103111">zset-max-ziplist-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.3 "><p id="dcs-api-0312015__p1325344513318">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.4 "><p id="dcs-api-0312015__p192531145143115">When the number of entries in sorted sets is less than the value of this parameter, sorted sets are encoded using a memory efficient data structure.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.5 "><p id="dcs-api-0312015__p15254645113112">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.6 "><p id="dcs-api-0312015__p72541345133120">128</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1927844722814"><td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.1 "><p id="dcs-api-0312015__p02541745143118">9</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.2 "><p id="dcs-api-0312015__p152541145193110">zset-max-ziplist-value</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.3 "><p id="dcs-api-0312015__p172542045103117">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.4 "><p id="dcs-api-0312015__p325494511319">When the biggest entry in sorted sets does not exceed the length threshold indicated by this parameter, sorted sets are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.5 "><p id="dcs-api-0312015__p1825444513318">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.6 "><p id="dcs-api-0312015__p112547459316">64</p>
</td>
</tr>
<tr id="dcs-api-0312015__row9279104712288"><td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.1 "><p id="dcs-api-0312015__p16254645143115">10</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.2 "><p id="dcs-api-0312015__p1254134583111">latency-monitor-threshold</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.3 "><p id="dcs-api-0312015__p1254114593118">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.4 "><p id="dcs-api-0312015__p19255124518319">The minimum amount of latency that will be logged as latency spikes</p>
<p id="dcs-api-0312015__p0255174593115">If this parameter is set to <strong id="dcs-api-0312015__b4415195015410">0</strong>, latency monitoring is disabled. If this parameter is set to a value greater than 0, all events blocking the server for a time greater than the configured value will be logged.</p>
<p id="dcs-api-0312015__p3255194511314">By running the LATENCY command, you can perform operations related to latency monitoring, such as obtaining statistical data, and configuring and enabling latency monitoring. For more information about the latency-monitor-threshold, visit <a href="https://redis.io/docs/reference/optimization/latency-monitor/" target="_blank" rel="noopener noreferrer">https://redis.io/docs/reference/optimization/latency-monitor/</a>.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.5 "><p id="dcs-api-0312015__p1725511453315">086,400,000 ms</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.6 "><p id="dcs-api-0312015__p1525514533120">0</p>
</td>
</tr>
<tr id="dcs-api-0312015__row122791747182814"><td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.1 "><p id="dcs-api-0312015__p182551455316">11</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.2 "><p id="dcs-api-0312015__p425594583117">maxclients</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.3 "><p id="dcs-api-0312015__p1825584583110">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.4 "><p id="dcs-api-0312015__p1225584517316">The maximum number of clients allowed to be concurrently connected to a DCS instance.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.5 "><p id="dcs-api-0312015__p6255145203115">100050,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.6 "><p id="dcs-api-0312015__p225515453314">10,000</p>
</td>
</tr>
<tr id="dcs-api-0312015__row19279114715283"><td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.1 "><p id="dcs-api-0312015__p1242811813213">13</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.2 "><p id="dcs-api-0312015__p4428111833216">notify-keyspace-events</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.3 "><p id="dcs-api-0312015__p342819182321">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.4 "><p id="dcs-api-0312015__p17428171818320">Keyspace event notification. If this parameter is configured, the Redis Sub/Pub feature will allow clients to receive an event when a Redis data set is modified.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.5 "><p id="dcs-api-0312015__p342821811322">If the parameter value contains multiple characters, keyspace event notification is enabled and each character identifies a class of keyspace events for which Redis will send notifications.</p>
<p id="dcs-api-0312015__p1428191853216">K: Keyspace events, published with the __keyspace@__ prefix</p>
<p id="dcs-api-0312015__p194294188323">E: Keyevent events, published with the __keyevent@__ prefix</p>
<p id="dcs-api-0312015__p5429141833217">g: Generic commands (non-type specific) such as DEL, EXPIRE, and RENAME</p>
<p id="dcs-api-0312015__p1042916186328">$: String commands</p>
<p id="dcs-api-0312015__p1242915182326">l: List commands</p>
<p id="dcs-api-0312015__p342951803216">s: Set commands</p>
<p id="dcs-api-0312015__p9429518103210">h: Hash commands</p>
<p id="dcs-api-0312015__p134291918193214">z: Sorted set commands</p>
<p id="dcs-api-0312015__p842911819327">x: Expired events (events generated every time a key expires)</p>
<p id="dcs-api-0312015__p14298182325">e: Evicted events (events generated when a key is evicted for maxmemory)</p>
<p id="dcs-api-0312015__p34291218173220">For more information, see the following note.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.6 "><p id="dcs-api-0312015__p204291718143216">Ex</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1128094718286"><td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.1 "><p id="dcs-api-0312015__p66121123316">18</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.2 "><p id="dcs-api-0312015__p6661183311">slowlog-log-slower-than</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.3 "><p id="dcs-api-0312015__p76181110338">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.4 "><p id="dcs-api-0312015__p13661111334">Redis uses the slow log to record queries that exceed a specified execution time. <strong id="dcs-api-0312015__b374448629">slowlog-log-slower-than</strong> is the maximum time allowed, in microseconds, for command execution. If this threshold is exceeded, Slow Log will record the command.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.5 "><p id="dcs-api-0312015__p13671110332">01,000,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.6 "><p id="dcs-api-0312015__p46411153311">10,000</p>
</td>
</tr>
<tr id="dcs-api-0312015__row628104717287"><td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.1 "><p id="dcs-api-0312015__p5618113336">19</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.2 "><p id="dcs-api-0312015__p177151193312">slowlog-max-len</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.3 "><p id="dcs-api-0312015__p1677115337">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.4 "><p id="dcs-api-0312015__p137411103316">The maximum allowed length of the Redis Slow Log logs. Slow Log consumes memory, but you can reclaim this memory by running the <strong id="dcs-api-0312015__b408155750">SLOWLOG RESET</strong> command.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.5 "><p id="dcs-api-0312015__p10720112333">01000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.6 "><p id="dcs-api-0312015__p117131173316">128</p>
</td>
</tr>
<tr id="dcs-api-0312015__row10281147172816"><td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.1 "><p id="dcs-api-0312015__p1271411203310">20</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.2 "><p id="dcs-api-0312015__p117181112333">lua-time-limit</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.3 "><p id="dcs-api-0312015__p127911103313">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.4 "><p id="dcs-api-0312015__p147151114332">The maximum time allowed for executing a Lua script, in milliseconds.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.5 "><p id="dcs-api-0312015__p1715115334">1005000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.6 "><p id="dcs-api-0312015__p19819113339">5000</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1128144714288"><td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.1 "><p id="dcs-api-0312015__p76119425336">22</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.2 "><p id="dcs-api-0312015__p86134217333">proto-max-bulk-len</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.3 "><p id="dcs-api-0312015__p56224218333">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.4 "><p id="dcs-api-0312015__p186214220338">The maximum size (in bytes) of a single element request.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.5 "><p id="dcs-api-0312015__p962134211333">1,048,576536,870,912</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.6 "><p id="dcs-api-0312015__p962134233320">536,870,912</p>
</td>
</tr>
<tr id="dcs-api-0312015__row19282114710284"><td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.1 "><p id="dcs-api-0312015__p5621142173313">23</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.2 "><p id="dcs-api-0312015__p1262542183313">master-read-only</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.3 "><p id="dcs-api-0312015__p862134233310">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.4 "><p id="dcs-api-0312015__p116384217334">Sets the instance to be read-only. All write operations will fail.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.5 "><p id="dcs-api-0312015__p156394219336">yes,no</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.11.2.8.1.6 "><p id="dcs-api-0312015__p18637424338">no</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="dcs-api-0312015__table1791611321"></a><a name="table1791611321"></a><table cellpadding="4" cellspacing="0" summary="" id="dcs-api-0312015__table1791611321" frame="border" border="1" rules="all"><caption><b>Table 9 </b>Configuration parameters of a master/standby DCS Redis 4.0 or 5.0 instance</caption><thead align="left"><tr id="dcs-api-0312015__row1192141223"><th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.12.2.8.1.1"><p id="dcs-api-0312015__p1559361014613">Instance Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.12.2.8.1.2"><p id="dcs-api-0312015__p959311104612">Parameter ID</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.12.2.8.1.3"><p id="dcs-api-0312015__p959411101967">Parameter Name</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.12.2.8.1.4"><p id="dcs-api-0312015__p195941810469">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.12.2.8.1.5"><p id="dcs-api-0312015__p1559451014611">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.12.2.8.1.6"><p id="dcs-api-0312015__p45946101261">Value Range</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.12.2.8.1.7"><p id="dcs-api-0312015__p105940109610">Default Value</p>
</th>
</tr>
</thead>
<tbody><tr id="dcs-api-0312015__row492131225"><td class="cellrowborder" rowspan="23" valign="top" width="14.285714285714285%" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p157715521177">Master/standby Redis 4.0 or 5.0</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p592811726">1</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p1673720198123">timeout</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p773701911128">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p2073701910127">Connection between the client and server (DCS instance) will be closed if the client is idle for the timeout period (measured in seconds). A timeout period of 0 seconds indicates that the timeout function is disabled.</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p17737131919121">07200 seconds</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.12.2.8.1.7 "><p id="dcs-api-0312015__p11737191961210">0</p>
</td>
</tr>
<tr id="dcs-api-0312015__row6921413215"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p292111222">2</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p190974871215">maxmemory-policy</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p490944881214">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p1790919483123">How Redis will select what to remove when maxmemory is reached.</p>
<p id="dcs-api-0312015__p0881732123819">For details about key eviction, see the <a href="https://redis.io/docs/about/" target="_blank" rel="noopener noreferrer">Redis official website</a>.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p2076335372019">volatile-lru</p>
<p id="dcs-api-0312015__p1876395372016">allkeys-lru</p>
<p id="dcs-api-0312015__p97632533206">volatile-random</p>
<p id="dcs-api-0312015__p1976395312203">allkeys-random</p>
<p id="dcs-api-0312015__p107631953142018">volatile-ttl</p>
<p id="dcs-api-0312015__p6763135332013">noeviction</p>
<p id="dcs-api-0312015__p197631153192013">volatile-lfu</p>
<p id="dcs-api-0312015__p18763115302020">allkeys-lfu</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p476415532207">volatile-lru</p>
</td>
</tr>
<tr id="dcs-api-0312015__row10921316215"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p9921816217">3</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p490934817127">hash-max-ziplist-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p1590934851217">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p1490911483128">When the number of entries in hashes is less than the value of this parameter, hashes are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p4909144815121">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p89109489129">512</p>
</td>
</tr>
<tr id="dcs-api-0312015__row9921211826"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p119218117218">4</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p139101448121218">hash-max-ziplist-value</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p159101348151216">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p19910248191211">When the biggest entry in hashes does not exceed the length threshold indicated by this parameter, hashes are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p69102485122">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p29101948151214">64</p>
</td>
</tr>
<tr id="dcs-api-0312015__row109231729"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p0921117216">7</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p143571183138">set-max-intset-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p11357186135">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p03570818134">When a set is composed entirely of strings and the number of integers does not exceed the length threshold indicated by this parameter, the set is encoded using intset to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p83579818133">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p0357885138">512</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1931812215"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p2931111721">8</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p2357986133">zset-max-ziplist-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p1735788191316">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p1835758191310">When the number of entries in sorted sets is less than the value of this parameter, sorted sets are encoded using a memory efficient data structure.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p135714861310">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p15357198161319">128</p>
</td>
</tr>
<tr id="dcs-api-0312015__row11931311223"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p593101626">9</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p33578871318">zset-max-ziplist-value</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p435838161310">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p1135815801311">When the biggest entry in sorted sets does not exceed the length threshold indicated by this parameter, sorted sets are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p135815841315">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p1935898161314">64</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1393811628"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p18939116211">10</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p8358289136">latency-monitor-threshold</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p103591816132">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p1735918811318">The minimum amount of latency that will be logged as latency spikes</p>
<p id="dcs-api-0312015__p335911851310">If this parameter is set to <strong id="dcs-api-0312015__b488005355410">0</strong>, latency monitoring is disabled. If this parameter is set to a value greater than 0, all events blocking the server for a time greater than the configured value will be logged.</p>
<p id="dcs-api-0312015__p8359789133">By running the LATENCY command, you can perform operations related to latency monitoring, such as obtaining statistical data, and configuring and enabling latency monitoring. For more information about the latency-monitor-threshold, visit <a href="https://redis.io/docs/reference/optimization/latency-monitor/" target="_blank" rel="noopener noreferrer">https://redis.io/docs/reference/optimization/latency-monitor/</a>.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p10359178201310">086,400,000 ms</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p235915813133">0</p>
</td>
</tr>
<tr id="dcs-api-0312015__row2931919216"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p29321422">11</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p11359081133">maxclients</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p143595821319">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p635978151319">The maximum number of clients allowed to be concurrently connected to a DCS instance.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p535915841310">100050,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p14359168121313">10,000</p>
</td>
</tr>
<tr id="dcs-api-0312015__row10932118212"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p14932120219">13</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p18244184216138">notify-keyspace-events</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p1724454271310">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p1324454210138">Keyspace event notification. If this parameter is configured, the Redis Sub/Pub feature will allow clients to receive an event when a Redis data set is modified.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p12244942161313">If the parameter value contains multiple characters, keyspace event notification is enabled and each character identifies a class of keyspace events for which Redis will send notifications.</p>
<p id="dcs-api-0312015__p16244542121314">K: Keyspace events, published with the __keyspace@__ prefix</p>
<p id="dcs-api-0312015__p5244942191319">E: Keyevent events, published with the __keyevent@__ prefix</p>
<p id="dcs-api-0312015__p42449425134">g: Generic commands (non-type specific) such as DEL, EXPIRE, and RENAME</p>
<p id="dcs-api-0312015__p824424218133">$: String commands</p>
<p id="dcs-api-0312015__p12244144261313">l: List commands</p>
<p id="dcs-api-0312015__p202446422137">s: Set commands</p>
<p id="dcs-api-0312015__p324404210139">h: Hash commands</p>
<p id="dcs-api-0312015__p924454218132">z: Sorted set commands</p>
<p id="dcs-api-0312015__p10244154221314">x: Expired events (events generated every time a key expires)</p>
<p id="dcs-api-0312015__p1424414422133">e: Evicted events (events generated when a key is evicted for maxmemory)</p>
<p id="dcs-api-0312015__p22445427134">For more information, see the note below the table.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p1124444220135">Ex</p>
</td>
</tr>
<tr id="dcs-api-0312015__row169312110211"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p693171525">14</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p1124434218133">repl-backlog-size</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p1224413428135">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p8245104281315">The replication backlog size in bytes. The backlog is a buffer that accumulates replica data when replicas are disconnected from the master. When a replica reconnects, a partial synchronization is performed to synchronize the data that was missed while replicas were disconnected.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p1245114218137">16,3841,073,741,824</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p1245842141319">1,048,576</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1094161922"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p8940115219">15</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p8245104219132">repl-backlog-ttl</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p1424534281318">IntegerInteger</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p324564251310">The amount of time, in seconds, before the backlog buffer is released, starting from the last a replica was disconnected. The value <strong id="dcs-api-0312015__b1762538690">0</strong> indicates that the backlog is never released.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p13245342151310">0604,800</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p132455427135">3600</p>
</td>
</tr>
<tr id="dcs-api-0312015__row179415116210"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p1494515213">16</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p1524584291313">appendfsync</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p1724574231318">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p172456424134">Controls how often fsync() transfers cached data to the disk. Note that some OSs will perform a complete data transfer but some others only make a "best-effort" attempt.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p132451342171316">Redis calls fsync() in one of the following ways:</p>
<p id="dcs-api-0312015__p02457426137"><strong id="dcs-api-0312015__b1147113984">no</strong>: fsync() is never called. The OS will flush data when it is ready. This mode offers the highest performance.</p>
<p id="dcs-api-0312015__p82451642151317"><strong id="dcs-api-0312015__b1538047129">always</strong>: fsync() is called after every write to the AOF. This mode is very slow, but also very safe. <strong id="dcs-api-0312015__b45160116">everysec</strong>: fsync() is called once per second. This mode provides a compromise between safety and performance.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p122451642131319">everysec</p>
</td>
</tr>
<tr id="dcs-api-0312015__row159411127"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p49415117219">17</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p1124674215135">appendonly</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p624624271315">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p1724674211136">Indicates whether to log each modification of the instance. By default, data is written to disks asynchronously in Redis. If this function is disabled, recently-generated data might be lost in the event of a power failure.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p102468421139">yes,no</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p2246164211311">yes</p>
</td>
</tr>
<tr id="dcs-api-0312015__row119420112211"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p1294511626">18</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p16246134218135">slowlog-log-slower-than</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p2246174271311">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p1124664219135">Redis uses the slow log to record queries that exceed a specified execution time. <strong id="dcs-api-0312015__b1718394603">slowlog-log-slower-than</strong> is the maximum time allowed, in microseconds, for command execution. If this threshold is exceeded, Slow Log will record the command.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p2246842131318">01,000,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p82464426132">10,000</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1195911429"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p995717210">19</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p1924614251313">slowlog-max-len</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p17246164211132">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p52463422136">The maximum allowed length of the Redis Slow Log logs. Slow Log consumes memory, but you can reclaim this memory by running the <strong id="dcs-api-0312015__b2009156686">SLOWLOG RESET</strong> command.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p13246134211137">01000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p182461842101317">128</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1695141625"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p179514115211">20</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p202461742161319">lua-time-limit</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p2247144241310">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p162474423135">The maximum time allowed for executing a Lua script, in milliseconds.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p1024744251317">1005000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p924764212134">5000</p>
</td>
</tr>
<tr id="dcs-api-0312015__row14951711219"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p1095718211">21</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p122471342171316">repl-timeout</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p1324764291312">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p124713428132">Replication timeout, in seconds.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p3247164219134">303600</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p82472422130">60</p>
</td>
</tr>
<tr id="dcs-api-0312015__row59561325"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p5951214210">22</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p824711427133">proto-max-bulk-len</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p19247184251318">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p5247144201312">The maximum size (in bytes) of a single element request.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p17247144251310">1,048,576536,870,912</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p9247104241311">536,870,912</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1096311829"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p49610112213">23</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p824811422130">master-read-only</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p1024810429130">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p1724884271314">Sets the instance to be read-only. All write operations will fail.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p424804291318">yes,no</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p8248194231315">no</p>
</td>
</tr>
<tr id="dcs-api-0312015__row19961811024"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p19961111229">24</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p0248142131314">client-output-buffer-slave-soft-limit</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p132481542191311">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p1248442191318">Soft limit (in bytes) on the output buffer of replica clients. Once the output buffer exceeds the soft limit and continuously remains above the limit for the time specified by the <strong id="dcs-api-0312015__b1198463482">client-output-buffer-limit-slave-soft-seconds</strong> parameter, the client is disconnected.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p2024894241315">0134,217,728</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p024854211135"><span style="color:#252B3A;">13,421,772</span></p>
</td>
</tr>
<tr id="dcs-api-0312015__row396201423"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p896612211">25</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p142494427138">client-output-buffer-slave-hard-limit</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p32491842181311">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p52491842151319">Hard limit (in bytes) on the output buffer of replica clients. Once the output buffer exceeds the hard limit, the client is immediately disconnected.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p19249174220134">0134,217,728</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p524924214138">13,421,772</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1296111922"><td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.1 "><p id="dcs-api-0312015__p19961311925">26</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.2 "><p id="dcs-api-0312015__p6249242171319">client-output-buffer-limit-slave-soft-seconds</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.3 "><p id="dcs-api-0312015__p17249204219132">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.4 "><p id="dcs-api-0312015__p224944215139">Number of seconds that the output buffer remains above <strong id="dcs-api-0312015__b918969650">client-output-buffer-slave-soft-limit</strong> before the client is disconnected.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.5 "><p id="dcs-api-0312015__p024914291317">060</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.12.2.8.1.6 "><p id="dcs-api-0312015__p152498427130">60</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="dcs-api-0312015__table1146611119158"></a><a name="table1146611119158"></a><table cellpadding="4" cellspacing="0" summary="" id="dcs-api-0312015__table1146611119158" frame="border" border="1" rules="all"><caption><b>Table 10 </b>Configuration parameters of a Redis Cluster DCS Redis 4.0 or 5.0 instance</caption><thead align="left"><tr id="dcs-api-0312015__row18467151115156"><th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.13.2.8.1.1"><p id="dcs-api-0312015__p7136171113168">Instance Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.13.2.8.1.2"><p id="dcs-api-0312015__p1713691181615">Parameter ID</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.13.2.8.1.3"><p id="dcs-api-0312015__p513621141617">Parameter Name</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.13.2.8.1.4"><p id="dcs-api-0312015__p613761116167">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.13.2.8.1.5"><p id="dcs-api-0312015__p81371211141613">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.13.2.8.1.6"><p id="dcs-api-0312015__p20137141161620">Value Range</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.285714285714285%" id="mcps1.3.4.13.2.8.1.7"><p id="dcs-api-0312015__p8137101118163">Default Value</p>
</th>
</tr>
</thead>
<tbody><tr id="dcs-api-0312015__row104687115154"><td class="cellrowborder" rowspan="23" valign="top" width="14.285714285714285%" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p14468171120150">Redis 4.0 or 5.0 Redis cluster</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p12468411171515">1</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p1377916502247">timeout</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p17780450182410">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p12780150152411">Connection between the client and server (DCS instance) will be closed if the client is idle for the timeout period (measured in seconds). A timeout period of 0 seconds indicates that the timeout function is disabled.</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p7780750172417">07200 seconds</p>
</td>
<td class="cellrowborder" valign="top" width="14.285714285714285%" headers="mcps1.3.4.13.2.8.1.7 "><p id="dcs-api-0312015__p0780135082420">0</p>
</td>
</tr>
<tr id="dcs-api-0312015__row546841112159"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p13468141131516">2</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p117808502247">maxmemory-policy</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p7780550192412">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p57807500243">How Redis will select what to remove when maxmemory is reached.</p>
<p id="dcs-api-0312015__p1946065113383">For details about key eviction, see the <a href="https://redis.io/docs/about/" target="_blank" rel="noopener noreferrer">Redis official website</a>.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p68621316214">volatile-lru</p>
<p id="dcs-api-0312015__p11861713192119">allkeys-lru</p>
<p id="dcs-api-0312015__p0871213172114">volatile-random</p>
<p id="dcs-api-0312015__p5872132211">allkeys-random</p>
<p id="dcs-api-0312015__p6871713112117">volatile-ttl</p>
<p id="dcs-api-0312015__p11871613192115">noeviction</p>
<p id="dcs-api-0312015__p158720133211">volatile-lfu</p>
<p id="dcs-api-0312015__p1287141342110">allkeys-lfu</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p7871313182111">volatile-lru</p>
</td>
</tr>
<tr id="dcs-api-0312015__row346814115154"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p154493715191">3</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p57801150182413">hash-max-ziplist-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p878013501245">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p578015042416">When the number of entries in hashes is less than the value of this parameter, hashes are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p278055052415">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p178016509249">512</p>
</td>
</tr>
<tr id="dcs-api-0312015__row0468161141512"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p2543123771920">4</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p77811950112413">hash-max-ziplist-value</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p3781750182410">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p157819501248">When the biggest entry in hashes does not exceed the length threshold indicated by this parameter, hashes are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p87811750162417">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p18781115052420">64</p>
</td>
</tr>
<tr id="dcs-api-0312015__row10468171111516"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p354283719194">7</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p12227111742514">set-max-intset-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p822710174252">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p422712172258">When a set is composed entirely of strings and the number of integers does not exceed the length threshold indicated by this parameter, the set is encoded using intset to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p162279178253">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p142271117122517">512</p>
</td>
</tr>
<tr id="dcs-api-0312015__row546911114156"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p4468121119157">8</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p132271717102517">zset-max-ziplist-entries</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p2227121732515">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p1522818175251">When the number of entries in sorted sets is less than the value of this parameter, sorted sets are encoded using a memory efficient data structure.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p92283174257">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p7228151752514">128</p>
</td>
</tr>
<tr id="dcs-api-0312015__row246931171516"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p5468191110150">9</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p18228181732512">zset-max-ziplist-value</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p42282017122513">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p1822881719251">When the biggest entry in sorted sets does not exceed the length threshold indicated by this parameter, sorted sets are encoded using ziplist to save memory.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p1322851742518">110,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p2228121718259">64</p>
</td>
</tr>
<tr id="dcs-api-0312015__row34693113156"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p185088148206">10</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p7228181716253">latency-monitor-threshold</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p92285177256">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p182281717192514">The minimum amount of latency that will be logged as latency spikes</p>
<p id="dcs-api-0312015__p182281517172515">If this parameter is set to <strong id="dcs-api-0312015__b1488185615543">0</strong>, latency monitoring is disabled. If this parameter is set to a value greater than 0, all events blocking the server for a time greater than the configured value will be logged.</p>
<p id="dcs-api-0312015__p92289175255">By running the LATENCY command, you can perform operations related to latency monitoring, such as obtaining statistical data, and configuring and enabling latency monitoring. For more information about the latency-monitor-threshold, visit <a href="https://redis.io/docs/reference/optimization/latency-monitor/" target="_blank" rel="noopener noreferrer">https://redis.io/docs/reference/optimization/latency-monitor/</a>.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p1522815173256">086,400,000 ms</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p18228101716253">0</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1347031112157"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p1146812116151">11</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p5228131712516">maxclients</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p1722814175256">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p1229151762513">The maximum number of clients allowed to be concurrently connected to a DCS instance.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p5229111712258">100050,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p18229417172513">10,000</p>
</td>
</tr>
<tr id="dcs-api-0312015__row17470201112154"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p95098310206">13</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p062085492513">notify-keyspace-events</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p15620155412517">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p17621185416251">Keyspace event notification. If this parameter is configured, the Redis Sub/Pub feature will allow clients to receive an event when a Redis data set is modified.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p762125422513">If the parameter value contains multiple characters, keyspace event notification is enabled and each character identifies a class of keyspace events for which Redis will send notifications.</p>
<p id="dcs-api-0312015__p9621125432513">K: Keyspace events, published with the __keyspace@__ prefix</p>
<p id="dcs-api-0312015__p17621254152517">E: Keyevent events, published with the __keyevent@__ prefix</p>
<p id="dcs-api-0312015__p14621105412255">g: Generic commands (non-type specific) such as DEL, EXPIRE, and RENAME</p>
<p id="dcs-api-0312015__p8621254192516">$: String commands</p>
<p id="dcs-api-0312015__p166211954172510">l: List commands</p>
<p id="dcs-api-0312015__p13621155472511">s: Set commands</p>
<p id="dcs-api-0312015__p3621115482517">h: Hash commands</p>
<p id="dcs-api-0312015__p562155422518">z: Sorted set commands</p>
<p id="dcs-api-0312015__p9621155418250">x: Expired events (events generated every time a key expires)</p>
<p id="dcs-api-0312015__p16621254192519">e: Evicted events (events generated when a key is evicted for maxmemory)</p>
<p id="dcs-api-0312015__p86218548254">For more information, see the note below the table.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p116211754102512">Ex</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1470911171518"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p24698119156">14</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p7621854122518">repl-backlog-size</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p20621155482520">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p0622145422513">The replication backlog size in bytes. The backlog is a buffer that accumulates replica data when replicas are disconnected from the master. When a replica reconnects, a partial synchronization is performed to synchronize the data that was missed while replicas were disconnected.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p116222541250">16,3841,073,741,824</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p16225543256">1,048,576</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1047115117154"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p0529712131911">15</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p10622165462519">repl-backlog-ttl</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p3622115410259">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p1562215482517">The amount of time, in seconds, before the backlog buffer is released, starting from the last a replica was disconnected. The value <strong id="dcs-api-0312015__b351338717">0</strong> indicates that the backlog is never released.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p16622754102519">0604,800</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p96221554142516">3600</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1747191171516"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p5469111121513">16</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p46221554152517">appendfsync</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p4622054102518">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p962205420256">Controls how often fsync() transfers cached data to the disk. Note that some OSs will perform a complete data transfer but some others only make a "best-effort" attempt.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p462213548254">Redis calls fsync() in one of the following ways:</p>
<p id="dcs-api-0312015__p3622195422517"><strong id="dcs-api-0312015__b1447090344">no</strong>: fsync() is never called. The OS will flush data when it is ready. This mode offers the highest performance.</p>
<p id="dcs-api-0312015__p5622115419250"><strong id="dcs-api-0312015__b1203455462">always</strong>: fsync() is called after every write to the AOF. This mode is very slow, but also very safe. <strong id="dcs-api-0312015__b1550550920">everysec</strong>: fsync() is called once per second. This mode provides a compromise between safety and performance.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p1662295422514">everysec</p>
</td>
</tr>
<tr id="dcs-api-0312015__row44711118155"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p11469151112154">17</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p0622105422511">appendonly</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p1362312546257">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p18623145452513">Indicates whether to log each modification of the instance. By default, data is written to disks asynchronously in Redis. If this function is disabled, recently-generated data might be lost in the event of a power failure.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p3623254182510">yes,no</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p662375432519">yes</p>
</td>
</tr>
<tr id="dcs-api-0312015__row7472151121513"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p06801458112012">18</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p12623105472520">slowlog-log-slower-than</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p8623125418251">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p196231754132514">Redis uses the slow log to record queries that exceed a specified execution time. <strong id="dcs-api-0312015__b1432832660">slowlog-log-slower-than</strong> is the maximum time allowed, in microseconds, for command execution. If this threshold is exceeded, Slow Log will record the command.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p16231754192517">01,000,000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p5623754202520">10,000</p>
</td>
</tr>
<tr id="dcs-api-0312015__row154721311111514"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p1245101714215">19</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p662416547255">slowlog-max-len</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p206241354122517">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p46241954162510">The maximum allowed length of the Redis Slow Log logs. Slow Log consumes memory, but you can reclaim this memory by running the <strong id="dcs-api-0312015__b1275617767">SLOWLOG RESET</strong> command.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p14624154162512">01000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p162414544257">128</p>
</td>
</tr>
<tr id="dcs-api-0312015__row12472121191517"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p11325122413222">20</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p6624155452515">lua-time-limit</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p1962420549253">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p5624454172518">The maximum time allowed for executing a Lua script, in milliseconds.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p1662465410252">1005000</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p10624175415258">5000</p>
</td>
</tr>
<tr id="dcs-api-0312015__row3473181181519"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p34706112158">21</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p06251754172515">repl-timeout</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p862519545258">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p1462525416257">Replication timeout, in seconds.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p8625175492519">303600</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p1562510544252">60</p>
</td>
</tr>
<tr id="dcs-api-0312015__row547391117154"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p1370013652214">22</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p166251954172510">proto-max-bulk-len</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p1562565452520">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p1362510549250">The maximum size (in bytes) of a single element request.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p462655415254">1,048,576536,870,912</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p8626654162513">536,870,912</p>
</td>
</tr>
<tr id="dcs-api-0312015__row174731811191513"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p186951536192211">23</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p10626125482515">master-read-only</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p13626454152514">String</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p762685462519">Sets the instance to be read-only. All write operations will fail.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p4626115413254">yes,no</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p15626155412515">no</p>
</td>
</tr>
<tr id="dcs-api-0312015__row1047391113156"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p104704118156">24</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p96268547257">client-output-buffer-slave-soft-limit</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p1762675417251">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p362611545256">Soft limit (in bytes) on the output buffer of replica clients. Once the output buffer exceeds the soft limit and continuously remains above the limit for the time specified by the <strong id="dcs-api-0312015__b2099472615">client-output-buffer-limit-slave-soft-seconds</strong> parameter, the client is disconnected.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p1626105432516">0134,217,728</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p5626135413259"><span style="color:#252B3A;">13,421,772</span></p>
</td>
</tr>
<tr id="dcs-api-0312015__row12474111110150"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p124701111161513">25</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p1762785402514">client-output-buffer-slave-hard-limit</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p13627105418250">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p11627195472510">Hard limit (in bytes) on the output buffer of replica clients. Once the output buffer exceeds the hard limit, the client is immediately disconnected.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p762725462517">0134,217,728</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p0627654132512">13,421,772</p>
</td>
</tr>
<tr id="dcs-api-0312015__row154740115153"><td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.1 "><p id="dcs-api-0312015__p19471191113152">26</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.2 "><p id="dcs-api-0312015__p26273547258">client-output-buffer-limit-slave-soft-seconds</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.3 "><p id="dcs-api-0312015__p18627155432516">Integer</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.4 "><p id="dcs-api-0312015__p862865413255">Number of seconds that the output buffer remains above <strong id="dcs-api-0312015__b1546254836">client-output-buffer-slave-soft-limit</strong> before the client is disconnected.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.5 "><p id="dcs-api-0312015__p962805402513">060</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.4.13.2.8.1.6 "><p id="dcs-api-0312015__p862845410259">60</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="note" id="dcs-api-0312015__note13923194104919"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="dcs-api-0312015__p62209522521">More about the <strong id="dcs-api-0312015__b240713381306">notify-keyspace-events</strong> parameter:</p>
<ul id="dcs-api-0312015__ul3924174114912"><li id="dcs-api-0312015__li1924154104914">Allowed characters are K, E, KE, A, g, l, s, h, z, x, e, and $. The parameter value must contain either <strong id="dcs-api-0312015__b734814485516">K</strong> or <strong id="dcs-api-0312015__b1753610719551">E</strong>.</li><li id="dcs-api-0312015__li4924104134918"><strong id="dcs-api-0312015__b837221761516">A</strong> is an alias for <strong id="dcs-api-0312015__b9888151911155">g$lshzxe</strong> and cannot be used together with any of the characters in g$lshzxe.</li><li id="dcs-api-0312015__li1692444204915">For example, the value <strong id="dcs-api-0312015__b191602019124318">Kl</strong> means that Redis will notify Pub/Sub clients about keyspace events and list commands. The value <strong id="dcs-api-0312015__b11864113734316">AKE</strong> means Redis will notify Pub/Sub clients about all events.</li></ul>
</div></div>
<div class="msonormal" id="dcs-api-0312015__p1388102663219"><strong id="dcs-api-0312015__b9808125415434">Example response</strong><pre class="screen" id="dcs-api-0312015__screen11246193445119">{
"status": "RUNNING",
"instance_id": "c08fdc6e-5c25-4185-ab57-c0a5529b727f",
"redis_config": [
{
"description": "How Redis will select what to remove when maxmemory is reached, You can select among five behaviors: volatile-lru : remove the key with an expire set using an LRU algorithm allkeys-lru : remove any key according to the LRU algorithm volatile-random: remove a random key with an expire set allkeys-random: remove a random key, any key volatile-ttl : remove the key with the nearest expire time (minor TTL) noeviction : don't expire at all, just return an error on write operations",
"param_id": 2,
"param_name": "maxmemory-policy",
"param_value": "noeviction",
"default_value": "noeviction",
"value_type": "String",
"value_range": "volatile-lru,allkeys-lru,volatile-random,allkeys-random,volatile-ttl,noeviction"
},
{
"description": "Hashes are encoded using a memory efficient data structure when they have a small number of entries",
"param_id": 3,
"param_name": "hash-max-ziplist-entries",
"param_value": "512",
"default_value": "512",
"value_type": "Integer",
"value_range": "1-10000"
},
{
"description": "Hashes are encoded using a memory efficient data structure when the biggest entry does not exceed a given threshold",
"param_id": 4,
"param_name": "hash-max-ziplist-value",
"param_value": "64",
"default_value": "64",
"value_type": "Integer",
"value_range": "1-10000"
},
{
"description": "Lists are encoded using a memory efficient data structure when they have a small number of entries",
"param_id": 5,
"param_name": "list-max-ziplist-entries",
"param_value": "512",
"default_value": "512",
"value_type": "Integer",
"value_range": "1-10000"
},
{
"description": "Lists are encoded using a memory efficient data structure when the biggest entry does not exceed a given threshold",
"param_id": 6,
"param_name": "list-max-ziplist-value",
"param_value": "64",
"default_value": "64",
"value_type": "Integer",
"value_range": "1-10000"
},
{
"description": "When a set is composed of just strings that happen to be integers in radix 10 in the range of 64 bit signed integers.",
"param_id": 7,
"param_name": "set-max-intset-entries",
"param_value": "512",
"default_value": "512",
"value_type": "Integer",
"value_range": "1-10000"
},
{
"description": "Sorted sets are encoded using a memory efficient data structure when they have a small number of entries",
"param_id": 8,
"param_name": "zset-max-ziplist-entries",
"param_value": "128",
"default_value": "128",
"value_type": "Integer",
"value_range": "1-10000"
},
{
"description": "Sorted sets are encoded using a memory efficient data structure when the biggest entry does not exceed a given threshold",
"param_id": 9,
"param_name": "zset-max-ziplist-value",
"param_value": "64",
"default_value": "64",
"value_type": "Integer",
"value_range": "1-10000"
},
{
"description": "Close the connection after a client is idle for N seconds (0 to disable)",
"param_id": 1,
"param_name": "timeout",
"param_value": "0",
"default_value": "0",
"value_type": "Integer",
"value_range": "0-7200"
},
{
"description": "Only events that run in more time than the configured latency-monitor-threshold will be logged as latency spikes. If latency-monitor-threshold is set to 0, latency monitoring is disabled. If latency-monitor-threshold is set to a value greater than 0, all events blocking the server for a time equal to or greater than the configured latency-monitor-threshold will be logged.",
"param_id": 10,
"param_name": "latency-monitor-threshold",
"param_value": "0",
"default_value": "0",
"value_type": "Integer",
"value_range": "0-86400000"
},
{
"description": "The total memory, in bytes, reserved for non-data usage.",
"param_id": 12,
"param_name": "reserved-memory",
"param_value": "0",
"default_value": "0",
"value_type": "Integer",
"value_range": "0-6553"
},
{
"description": "Redis can notify Pub or Sub clients about events happening in the key space",
"param_id": 13,
"param_name": "notify-keyspace-events",
"param_value": null,
"default_value": null,
"value_type": "regular",
"value_range": "([KE]+([A]|[g$lshzxe]+)){0,11}"
}
],
"config_status": "SUCCESS",
"config_time": ""
}</pre>
</div>
</div>
<div class="section" id="dcs-api-0312015__section1144939111219"><h4 class="sectiontitle">Status Code</h4><p id="dcs-api-0312015__p64417398124"><a href="#dcs-api-0312015__table1644239141218">Table 11</a> describes the status code of successful operations. For details about other status codes, see <a href="dcs-api-0312043.html#dcs-api-0312043__table5210141351517">Table 1</a>.</p>
<div class="tablenoborder"><a name="dcs-api-0312015__table1644239141218"></a><a name="table1644239141218"></a><table cellpadding="4" cellspacing="0" summary="" id="dcs-api-0312015__table1644239141218" frame="border" border="1" rules="all"><caption><b>Table 11 </b>Status code</caption><thead align="left"><tr id="dcs-api-0312015__row8454396123"><th align="left" class="cellrowborder" valign="top" width="15.98%" id="mcps1.3.5.3.2.3.1.1"><p id="dcs-api-0312015__p134513920126">Status Code</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="84.02%" id="mcps1.3.5.3.2.3.1.2"><p id="dcs-api-0312015__p1045193915122">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="dcs-api-0312015__row74583915129"><td class="cellrowborder" valign="top" width="15.98%" headers="mcps1.3.5.3.2.3.1.1 "><p id="dcs-api-0312015__p1045143931210">200</p>
</td>
<td class="cellrowborder" valign="top" width="84.02%" headers="mcps1.3.5.3.2.3.1.2 "><p id="dcs-api-0312015__p64543901210">Instance configurations queried successfully.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="dcs-api-0312013.html">Parameter Management APIs</a></div>
</div>
</div>