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Lu, Huayi 95132e24fc DWS UMN 830.201_new version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Reviewed-by: Rechenburg, Matthias <matthias.rechenburg@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2024-05-27 11:54:34 +00:00

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<a name="EN-US_TOPIC_0000001659054662"></a><a name="EN-US_TOPIC_0000001659054662"></a>
<h1 class="topictitle1">Modifying a Resource Pool</h1>
<div id="body8662426"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_ae3aa3fc028ad4f3c8e188d45bdea88f8">You can modify the parameters of a resource pool on the resource management page.</p>
<ol id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_o8946c4450f67452d9936ce5cef5e6efd"><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_en-us_topic_0254317345_li15273937108"><span>Log in to the GaussDB(DWS) management console.</span></li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_l1ef837829b71457fb2dd019016b2d7c7"><span>Choose <strong id="EN-US_TOPIC_0000001659054662__b151584212515">Clusters</strong>. Click the name of a cluster.</span></li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_l2475c106baed4b24836c6424eef57536"><span>Choose <strong id="EN-US_TOPIC_0000001659054662__b1238317337">Resource Management Configurations</strong>.</span></li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_ld42c25b76a514ba984d88cbacee042c7"><span>In the <strong id="EN-US_TOPIC_0000001659054662__b1988028729582">Resource Pools</strong> drop-down list, click the name of a resource pool. The following configuration areas are displayed, including <strong id="EN-US_TOPIC_0000001659054662__b610278809582">Short Query Configuration</strong>, <strong id="EN-US_TOPIC_0000001659054662__b1882554478582">Resource Configuration</strong>, <strong id="EN-US_TOPIC_0000001659054662__b160212347582">Exception Rule</strong>, and <strong id="EN-US_TOPIC_0000001659054662__b138064466582">Associated User</strong>.</span><p><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_p1148074419713"></p>
<p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_p159820391523"><span><img id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_image103022406522" src="figure/en-us_image_0000001759420421.png" title="Click to enlarge" class="imgResize"></span></p>
</p></li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_lc61fb86acb04421685b7faaa9ce63571"><span>Modify the short query configuration. Set the parameters as required and click <strong id="EN-US_TOPIC_0000001659054662__b1074912701582">Save</strong> on the right.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_t98448d83c7e5477ba36145180e6c8701" frame="border" border="1" rules="all"><thead align="left"><tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_rf4055d66fedf4e67a18bbeb7fc36673d"><th align="left" class="cellrowborder" valign="top" width="19.439999999999998%" id="mcps1.3.2.5.2.1.1.4.1.1"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_a8b83fa98dc0c4b9dab8be7a79eb10e19">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="55.35%" id="mcps1.3.2.5.2.1.1.4.1.2"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_a3144b7d65f2349508e50ad1e0ae0a43c">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25.21%" id="mcps1.3.2.5.2.1.1.4.1.3"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_en-us_topic_0254317345_p861274353214">Value</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_r98dced66bcc84251a847d2c6b878fb71"><td class="cellrowborder" valign="top" width="19.439999999999998%" headers="mcps1.3.2.5.2.1.1.4.1.1 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_en-us_topic_0254317345_p761244303210">Short Query Acceleration</p>
</td>
<td class="cellrowborder" valign="top" width="55.35%" headers="mcps1.3.2.5.2.1.1.4.1.2 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_af9b6200b1af8414dab4d0a043b63e2f8">Whether to enable short query acceleration. This function is enabled by default.</p>
</td>
<td class="cellrowborder" valign="top" width="25.21%" headers="mcps1.3.2.5.2.1.1.4.1.3 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_ad361fdaf09c248da80786893787ed82b">Enable</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_r3bc9f4d4300148e1818e8ee875ee3010"><td class="cellrowborder" valign="top" width="19.439999999999998%" headers="mcps1.3.2.5.2.1.1.4.1.1 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_en-us_topic_0254317345_p461224315320">Concurrent Short Queries</p>
</td>
<td class="cellrowborder" valign="top" width="55.35%" headers="mcps1.3.2.5.2.1.1.4.1.2 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_a9d155bfdedc940938885344927377a4f">A short query is a job whose estimated memory used for execution is less than 32 MB. The default value <strong id="EN-US_TOPIC_0000001659054662__b319330085582">-1</strong> indicates that the job is not controlled.</p>
</td>
<td class="cellrowborder" valign="top" width="25.21%" headers="mcps1.3.2.5.2.1.1.4.1.3 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_en-us_topic_0254317345_p176127436324">10</p>
</td>
</tr>
</tbody>
</table>
</div>
</p></li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_l67d365f9664940e3b4ce8511353e3ffd"><span>Modify the resource configuration.</span><p><ol type="a" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_o02557848f4dd4b47bc7235ba00cfd5ba"><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_en-us_topic_0254317345_li92311562334">Click <strong id="EN-US_TOPIC_0000001659054662__b463411167267">Edit</strong> on the right and modify the parameters according to <a href="#EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_table1380933134011">Table 1</a>.
<div class="tablenoborder"><a name="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_table1380933134011"></a><a name="en-us_topic_0000001372839310_table1380933134011"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_table1380933134011" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Resource pool parameters</caption><thead align="left"><tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_r45c4609ae0df47bfa1bb36943077276a"><th align="left" class="cellrowborder" valign="top" width="18.19%" id="mcps1.3.2.6.2.1.1.3.2.5.1.1"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_a4328dd0179cf40cca3ef78c4c446bd2f">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="64.99000000000001%" id="mcps1.3.2.6.2.1.1.3.2.5.1.2"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_en-us_topic_0254317224_p31756316126">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="8.08%" id="mcps1.3.2.6.2.1.1.3.2.5.1.3"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p6489453152013">Mandatory</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="8.74%" id="mcps1.3.2.6.2.1.1.3.2.5.1.4"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p1960341082110">Default Value</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_rccecdb3f69424915b2a90ae48134b9dd"><td class="cellrowborder" valign="top" width="18.19%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.1 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_en-us_topic_0254317224_p141758311128">Name</p>
</td>
<td class="cellrowborder" valign="top" width="64.99000000000001%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.2 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_en-us_topic_0254317224_p161751933124">Resource pool name</p>
</td>
<td class="cellrowborder" valign="top" width="8.08%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.3 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p248965352020">Yes</p>
</td>
<td class="cellrowborder" valign="top" width="8.74%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.4 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p20603210102118">-</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_row1833914319256"><td class="cellrowborder" valign="top" width="18.19%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.1 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p1349123162510">CPU Resource (%)</p>
</td>
<td class="cellrowborder" valign="top" width="64.99000000000001%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.2 "><ul id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_ul14235101682820"><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_li42351716142816">CPU share: Percentage of CPU time that can be used by users associated with the current resource pool to execute jobs. The value is an integer ranging from 1 to 99.</li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_li423519168288">CPU limit: Maximum percentage of CPU cores used by a database user in a resource pool. The value is an integer ranging from 0 to 100. <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_b5008316675942">0</strong> indicates no limit.</li></ul>
<div class="note" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_note354861082717"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_ul6756113052718"><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_li1575763015276">The sum of the parameter values of all the resource pools cannot exceed 99%. If there is only one resource pool, the CPU share parameter does not take effect.</li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_li1375753011279">The CPU share parameter takes effect only when CPU contention occurs. For example, resource pools A and B are bound to CPU 1. If A and B are both running, the parameter takes effect. If there is only A running, the parameter does not take effect.</li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_li1331964818275">The sum of the CPU limits of all the resource pools cannot exceed 100%. The default value is 0.</li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_li18241647141711">The CPU limit is supported only by clusters of version 8.1.3 or later.</li></ul>
</div></div>
</td>
<td class="cellrowborder" valign="top" width="8.08%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.3 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p124899539204">Yes</p>
</td>
<td class="cellrowborder" valign="top" width="8.74%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.4 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p8604181062119">-</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_rb9afdcb77de5450f991ad26596962299"><td class="cellrowborder" valign="top" width="18.19%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.1 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_en-us_topic_0254317224_p91755351214">Memory Resource (%)</p>
</td>
<td class="cellrowborder" valign="top" width="64.99000000000001%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.2 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_a37fab0d6453c49238373d7a3730b2169">Percentage of the memory that can be used by a resource pool.</p>
<div class="caution" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_nd309c27ce38e4d209756261169daa0be"><span class="cautiontitle"> CAUTION: </span><div class="cautionbody"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_en-us_topic_0254317224_p950334801411">You can manage memory and query concurrency separately or jointly. Under joint management, jobs can be delivered only when both the memory and concurrency conditions are met.</p>
</div></div>
</td>
<td class="cellrowborder" valign="top" width="8.08%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.3 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p174899537209">Yes</p>
</td>
<td class="cellrowborder" valign="top" width="8.74%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.4 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p146049109214">0 (not limited)</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_rfc6a58e60ad5428fa32064926e00f43f"><td class="cellrowborder" valign="top" width="18.19%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.1 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_en-us_topic_0254317224_p61751341214">Storage Resource (MB)</p>
</td>
<td class="cellrowborder" valign="top" width="64.99000000000001%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.2 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_ac2fc25f6b41248108e98cfcbb8c55f51">Size of the available space for permanent tables.</p>
<div class="caution" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_note9592206519"><span class="cautiontitle"> CAUTION: </span><div class="cautionbody"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_p71618351750">This parameter indicates the total tablespace of all DNs in a resource pool. Available space of a single DN = Configured value/Number of DNs.</p>
</div></div>
</td>
<td class="cellrowborder" valign="top" width="8.08%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.3 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p124892053102018">Yes</p>
</td>
<td class="cellrowborder" valign="top" width="8.74%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.4 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p36041710132116">-1 (not limited)</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_r1aabed4322f84ee68229882568cef559"><td class="cellrowborder" valign="top" width="18.19%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.1 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_en-us_topic_0254317224_p91755371210">Complex Statement Concurrency</p>
</td>
<td class="cellrowborder" valign="top" width="64.99000000000001%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.2 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_en-us_topic_0254317224_p51752033126">Maximum number of concurrent queries in a resource pool.</p>
<div class="caution" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_nac0c163081b24a96bd4e58718964b3ac"><span class="cautiontitle"> CAUTION: </span><div class="cautionbody"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_en-us_topic_0000001076708629_en-us_topic_0254317224_p69536212151">You can manage memory and query concurrency separately or jointly. Under joint management, jobs can be delivered only when both the memory and concurrency conditions are met.</p>
</div></div>
</td>
<td class="cellrowborder" valign="top" width="8.08%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.3 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p8490115352011">Yes</p>
</td>
<td class="cellrowborder" valign="top" width="8.74%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.4 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p76041710202117">10</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_row1714521612599"><td class="cellrowborder" valign="top" width="18.19%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.1 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p1145151615916">Network Bandwidth Weight</p>
</td>
<td class="cellrowborder" valign="top" width="64.99000000000001%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.2 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p19145181611594">Weight for network scheduling. The value is an integer ranging from 1 to 2147483647. The default value is -1.</p>
<div class="caution" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_note918891219"><span class="cautiontitle"> CAUTION: </span><div class="cautionbody"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p10191991312">Only cluster 8.2.1 and later versions support the network bandwidth weight.</p>
</div></div>
</td>
<td class="cellrowborder" valign="top" width="8.08%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.3 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p314571665918">Yes</p>
</td>
<td class="cellrowborder" valign="top" width="8.74%" headers="mcps1.3.2.6.2.1.1.3.2.5.1.4 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679810_p151451416145918">-1 (not limited)</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="note" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_note1225311578516"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_p0720111017418">The CPU usage limit is supported only by clusters of version 8.1.3 or later.</p>
</div></div>
</li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_l550f6ddca3bc440b8bee50df64900a8d">Click <strong id="EN-US_TOPIC_0000001659054662__b912939727582">OK</strong>.</li></ol>
</p></li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_en-us_topic_0254317345_li1213141321"><span>Modify the exception rules.</span><p><ol type="a" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_en-us_topic_0254317345_ol86253437342"><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_l6abe88c7b56842b596fa18a38ed46fb6">Modify rule parameters. See the following table for more information.
<div class="tablenoborder"><a name="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_table450693015419"></a><a name="en-us_topic_0000001372839310_table450693015419"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_table450693015419" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Exception rule parameters</caption><thead align="left"><tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_row14955536172317"><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.2.7.2.1.1.1.2.5.1.1"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p1195513613231">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="40%" id="mcps1.3.2.7.2.1.1.1.2.5.1.2"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p1595523622313">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.2.7.2.1.1.1.2.5.1.3"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p8955103652312">Value Range (0 Means No Limit)</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.2.7.2.1.1.1.2.5.1.4"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p1495563619235">Operation</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_row19955113692312"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.1 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p860271820245">Blocking Time</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.2 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p159551736152313">Job blocking time. It refers to the total time spent in global and local concurrent queuing. The unit is second.</p>
<p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p12211103312264">For example, if the blocking time is set to 300s, a job executed by a user in the resource pool will be terminated after being blocked for 300 seconds.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.3 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p192451432182819">An integer in the range 1 to 2,147,483,647. The value <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b7797684279">0</strong> indicates no limit.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.4 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p8956436112315"><strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b1965392617718">Terminated</strong>, <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b3416111595216">Downgraded</strong>, or <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b98103118710">Not limited</strong></p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_row15611153115475"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.1 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p156111931114717">Execution Time</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.2 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p1458131142619">Time that has been spent in executing the job, in seconds.</p>
<p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p1761116313473">For example, if <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b165712920410639">Time required for execution</strong> is set to 100s, a job executed by a user in the resource pool will be terminated after being executed for more than 100 seconds.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.3 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p391183319384">An integer in the range 1 to 2,147,483,647. The value <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b1150303303">0</strong> indicates no limit.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.4 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p346112222205"><strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b11461620105219">Terminated</strong>, <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b446172014523">Downgraded</strong>, or <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b346320155215">Not limited</strong></p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_row1961111313473"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.1 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p471355673819">Total CPU time on all DNs.</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.2 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p19611143119478">Total CPU time spent in executing a job on all DNs, in seconds.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.3 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p1440253133915">An integer in the range 1 to 2,147,483,647. The value <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b400215551">0</strong> indicates no limit.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.4 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p10618132442017"><strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b126181522155213">Terminated</strong>, <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b136193225526">Downgraded</strong>, or <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b1619172275217">Not limited</strong></p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_row46117310476"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.1 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p28251415123913">Interval for Checking CPU Skew Rate</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.2 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p156112315474">Interval for checking the CPU skew, in seconds. This parameter must be set together with <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b25202847010639">Total CPU Time on All DNs</strong>.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.3 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p1092815814711">An integer in the range 1 to 2,147,483,647. The value <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b2108416110">0</strong> indicates no limit.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.4 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p17192849102014"><strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b25741424165218">Terminated</strong>, <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b557442412524">Downgraded</strong>, or <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b195741224135213">Not limited</strong></p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_row8988125711397"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.1 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p122671642241">Total CPU Time Skew Rate on All DNs</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.2 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p898918570399">CPU time skew rate of a job executed on DNs. The value depends on the setting of <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b160554643610639">Interval for Checking CPU Skew Rate</strong>.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.3 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p11926153115118">An integer in the range 1 to 100. The value <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b1413772553019">0</strong> indicates no limit.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.4 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p483005013206"><strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b623332617524">Terminated</strong>, <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b123372605220">Downgraded</strong>, or <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b1523372625219">Not limited</strong></p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_row52801184451"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.1 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p428117844519">Data Spilled to Disk Per DN</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.2 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p328110814516">Allowed maximum job data spilled to disks on a DN. The unit is MB.</p>
<div class="note" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_note1661461965019"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p1161415192504">This rule is supported only by clusters of version 8.2.0 or later.</p>
</div></div>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.3 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p82816819456">An integer in the range 1 to 2,147,483,647. The value <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b2081529433">0</strong> indicates no limit.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.4 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p1828117884512"><strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b174817282526">Terminated</strong>, <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b9484282526">Downgraded</strong>, or <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b7483284529">Not limited</strong></p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_row1238293519473"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.1 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p1382153513479">Average CPU Usage Per DN</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.2 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p938233564714">Average CPU usage of a job on each DN. If <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b1845873165219">Interval for Checking CPU Skew Rate</strong> is configured, the interval takes effect for this parameter. If the interval is not configured, the check interval is 30 seconds by default.</p>
<div class="note" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_note2071552855011"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p464222925110">This rule is supported only by clusters of version 8.2.0 or later.</p>
</div></div>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.3 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p1538283524715">An integer in the range 1 to 100. The value <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b1674133215313">0</strong> indicates no limit.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.4 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p538233554717"><strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b6687153317527">Terminated</strong>, <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b1768763315523">Downgraded</strong>, or <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b868733325219">Not limited</strong></p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_row1189154211457"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.1 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p14189204212451">Maximum Bandwidth on a Single DN</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.2 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p233146172714">Maximum network bandwidth (MB) for a job on a single DN.</p>
<div class="note" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_note63366112716"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p143314682717">This rule is supported only by clusters of version 8.2.1 or later.</p>
</div></div>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.3 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p144899293280">An integer in the range 1 to 2,147,483,647. The value <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b102618216">0</strong> indicates no limit.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.7.2.1.1.1.2.5.1.4 "><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_p067124044616"><strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b134151548125220">Terminated</strong>, <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b441512483525">Downgraded</strong>, or <strong id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372679822_b1541634816522">Not limited</strong></p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="note" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_n2bfb90af41194d52b66bb0475a558f51"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_a6c3f0c6045a94025a5e47edf242c4f8f">Exception rules allow you to control exceptions of jobs executed by users in a resource pool. Currently, you can configure the parameters listed in <a href="#EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_table450693015419">Table 2</a>.</p>
<ul id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_ucb481dbadbb84072bed8e6a60cca4d4f"><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_l7f3d5e6959064a0da145da6ab5a3bda1">If you select <strong id="EN-US_TOPIC_0000001659054662__b618435493582">Terminate</strong>, you need to set the corresponding time or percentage.</li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_l97cd6d0fb94d436a9efc214f33f71e32">If you select <strong id="EN-US_TOPIC_0000001659054662__b271686804582">No restriction</strong>, the corresponding execution rule does not take effect.</li></ul>
</div></div>
</li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_la14850c1d0df45268989d4c804674fd6">Click <strong id="EN-US_TOPIC_0000001659054662__b1639941841582">Save</strong>.</li></ol>
</p></li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_l1e7535533dfb4775990193f115865f7d"><span>Associate users.</span><p><div class="note" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_n2ebeaeb7c33344ccbd23561431f8b840"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_u57da8417785b473ebdd14cadfea0c1ff"><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_en-us_topic_0254317345_li82755572819">The resources used by a user to run jobs can be controlled only after the user is added to a resource pool.</li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_en-us_topic_0254317345_li72751857180">A database user can be added to only one resource pool. Users removed from a resource pool can be added to another pool.</li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_li1929110578523">Database administrators cannot be associated.</li></ul>
</div></div>
<ol type="a" id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_o0fc4b16833f941f99e5c1f93243a1edc"><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_lbd22aa47876345ec972411d847d7cc74">Click <strong id="EN-US_TOPIC_0000001659054662__b1674746272582">Add</strong>.</li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_le0ad7447acf941afa9e55bac0ec69023">Select the users to be added from the current user list. You can select multiple users at a time.<p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_en-us_topic_0254317345_p726814591443"><a name="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_le0ad7447acf941afa9e55bac0ec69023"></a><a name="en-us_topic_0000001372839310_en-us_topic_0000001076579461_le0ad7447acf941afa9e55bac0ec69023"></a></p>
<p id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_p43559439547"><span><img id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_image0437154335411" src="figure/en-us_image_0000001759580277.png" title="Click to enlarge" class="imgResize"></span></p>
</li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_l768b921842c242f2a34a522a51fb99a1">Click <strong id="EN-US_TOPIC_0000001659054662__b2128351226582">OK</strong>.</li><li id="EN-US_TOPIC_0000001659054662__en-us_topic_0000001372839310_en-us_topic_0000001076579461_l18127071a0664e28819df8fd65d6ad6f">To remove a user, click <strong id="EN-US_TOPIC_0000001659054662__b1023253448582">Disassociate User</strong> in the <strong id="EN-US_TOPIC_0000001659054662__b696762263582">Operation</strong> column of the user.</li></ol>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_01_0729.html">Resource Pool</a></div>
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