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doc-exports/docs/dws/dev/dws_04_0706.html
Lu, Huayi e6fa411af0 DWS DEV 830.201 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2024-05-16 07:24:04 +00:00

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<a name="EN-US_TOPIC_0000001233681761"></a><a name="EN-US_TOPIC_0000001233681761"></a>
<h1 class="topictitle1">GS_WLM_SESSION_STATISTICS</h1>
<div id="body1503457301475"><p id="EN-US_TOPIC_0000001233681761__p696118254217"><strong id="EN-US_TOPIC_0000001233681761__b14308163814313">GS_WLM_SESSION_STATISTICS</strong> displays load management information about jobs being executed by the current user on the current CN.</p>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000001233681761__table9446192117461"></a><a name="table9446192117461"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001233681761__table9446192117461" frame="border" border="1" rules="all"><caption><b>Table 1 </b>GS_WLM_SESSION_STATISTICS columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001233681761__row1544642110461"><th align="left" class="cellrowborder" valign="top" width="23%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0000001233681761__p1359922545010">Name</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="17%" id="mcps1.3.2.2.4.1.2"><p id="EN-US_TOPIC_0000001233681761__p3599182520502">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="60%" id="mcps1.3.2.2.4.1.3"><p id="EN-US_TOPIC_0000001233681761__p175991225195015">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001233681761__row17446162114468"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p7825161515615">datid</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p158251415661">oid</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p1282581516620">OID of the database this backend is connected to</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row75751994710"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p17826315164">dbname</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p17826201510620">name</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p1182612150618">Name of the database the backend is connected to</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row9571319154713"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p11826415869">schemaname</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p10826015362">text</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p182613154612">Schema name</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row15771915477"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p68261715961">nodename</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p108264151361">text</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p1682619154610">Name of the CN where the statement is executed</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row1456161919474"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p138263151561">username</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p19827121514616">name</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p1482741518615">User name used for connecting to the backend</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row18568199473"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p1182716154617">application_name</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p168272153616">text</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p1582717155620">Name of the application that is connected to the backend</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row18561119144717"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p68277151565">client_addr</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p88271415966">inet</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p10827121511613">IP address of the client connected to this backend. If this column is null, it indicates either that the client is connected via a Unix socket on the server machine or that this is an internal process such as autovacuum.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row17561419164719"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p28277151166">client_hostname</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p18271615169">text</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p19827101512614">Host name of the connected client, as reported by a reverse DNS lookup of <strong id="EN-US_TOPIC_0000001233681761__b203681438635">client_addr</strong>. This column will only be non-null for IP connections, and only when <strong id="EN-US_TOPIC_0000001233681761__b1436810389319">log_hostname</strong> is enabled.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row256119114713"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p158288150611">client_port</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p282813151865">integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p1082851515610">TCP port number that the client uses for communication with this backend, or <strong id="EN-US_TOPIC_0000001233681761__b84235270614255">-1</strong> if a Unix socket is used</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row854419184710"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p1482851518615">query_band</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p982811156614">text</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p58281815765">Job type, which is specified by the GUC parameter <strong id="EN-US_TOPIC_0000001233681761__b128968382011">query_band</strong> parameter. The default value is a null string.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row854151911475"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p882811158619">pid</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p1828615167">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p1482819159617">Process ID of the backend</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row1154419204719"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p1782841517610">block_time</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p128280153615">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p282861518615">Block time before the statement is executed. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row15534197479"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p128291151662">start_time</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p982917151863">timestamp with time zone</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p1382951513612">Time when the statement starts to be executed</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row1053111916473"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p182931517620">duration</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p148296154619">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p1382916151764">For how long a statement has been executing. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row1752101954720"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p1282981517617">estimate_total_time</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p38294155619">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p7829201515612">Estimated execution time of a statement. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row052161918471"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p188291115566">estimate_left_time</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p18829101517611">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p1282916159618">Estimated remaining time of statement execution. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row13513195474"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p68291150610">enqueue</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p483013151568">text</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p1983010152615">Workload management resource status</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row851111964715"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p2830115961">resource_pool</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p178301151867">name</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p783010151565">Resource pool used by the user</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row175071916474"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p1083014151063">control_group</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p38305151363">text</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p198301315264">Cgroup used by the statement</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row17326153612488"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p1361044194819">estimate_memory</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p1437124414481">integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p2038719505436">Estimated memory used by the statement. The unit is MB. </p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row95091994717"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p58301015569">min_peak_memory</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p1583016153616">integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p883013156617">Minimum memory peak of a statement across all DNs. The unit is MB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row450219184717"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p18305151266">max_peak_memory</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p148301115362">integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p78303151267">Maximum memory peak of a statement across all DNs. The unit is MB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row849131944716"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p88302151869">average_peak_memory</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p158301315266">integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p383010156615">Average memory usage during statement execution. The unit is MB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row19491619144720"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p183017151062">memory_skew_percent</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p98311615568">integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p58317151165">Memory usage skew of a statement among DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row1249141914714"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p148311615563">spill_info</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p16831215669">text</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p8831191516616">Statement spill information on all DNs.</p>
<p id="EN-US_TOPIC_0000001233681761__p128311154618"><strong id="EN-US_TOPIC_0000001233681761__b13562121916283">None</strong> indicates that the statement has not been flushed to disks on any DNs.</p>
<p id="EN-US_TOPIC_0000001233681761__p58313151961"><strong id="EN-US_TOPIC_0000001233681761__b195732013282">All</strong> indicates that the statement has been flushed to disks on every DN.</p>
<p id="EN-US_TOPIC_0000001233681761__p98312015262"><strong id="EN-US_TOPIC_0000001233681761__b54475381330">[</strong><em id="EN-US_TOPIC_0000001233681761__i84471838233">a</em><strong id="EN-US_TOPIC_0000001233681761__b15447113815315">:</strong><em id="EN-US_TOPIC_0000001233681761__i17447193819314">b</em><strong id="EN-US_TOPIC_0000001233681761__b1444711386318">]</strong> indicates that the statement has been flushed to disks on <em id="EN-US_TOPIC_0000001233681761__i944713385312">a</em> of <em id="EN-US_TOPIC_0000001233681761__i344723815312">b</em> DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row94911195475"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p1483111516610">min_spill_size</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p20831121510611">integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__en-us_topic_0111176227_p752071475115">Minimum spilled data among all DNs when a spill occurs. The unit is MB. The default value is <strong id="EN-US_TOPIC_0000001233681761__b15794185214469">0</strong>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row2048619104719"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p17831141517610">max_spill_size</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p10831915160">integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__a116d664db7be4affa6dbf8ca1d6273d8">Maximum spilled data among all DNs when a spill occurs. The unit is MB. The default value is <strong id="EN-US_TOPIC_0000001233681761__b396317534462">0</strong>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row548719204719"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p208311915262">average_spill_size</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p1183171519611">integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__a942f96de512e43a98957ff5ed9f9aa56">Average spilled data among all DNs when a spill occurs. The unit is MB. The default value is <strong id="EN-US_TOPIC_0000001233681761__b6961554184617">0</strong>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row1547101914720"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p1283112154614">spill_skew_percent</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p583111152068">integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p58311615463">DN spill skew when a spill occurs</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row19471619184718"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p38323151768">min_dn_time</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p983214151864">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p683291513618">Minimum execution time of a statement across all DNs. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row847131904714"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p5832171514615">max_dn_time</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p128321415466">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p883231517611">Maximum execution time of a statement across all DNs. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row104710193476"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p15832101516615">average_dn_time</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p8832111515617">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p14832615665">Average execution time of a statement across all DNs. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row44751920470"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p983212151618">dntime_skew_percent</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p783281511617">integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p20832191514617">Execution time skew of a statement among DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row184718194473"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p5832415264">min_cpu_time</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p138329151661">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p16832215861">Minimum CPU time of a statement across all DNs. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row20451619144710"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p38321715166">max_cpu_time</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p13832715366">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p983318159616">Maximum CPU time of a statement across all DNs. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row174561916473"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p1983351513616">total_cpu_time</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p683317151761">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p1833161518617">Total CPU time of a statement across all DNs. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row1244201918476"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p3833151513616">cpu_skew_percent</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p6833115267">integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p128335152614">CPU time skew of a statement among DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row86001914135213"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p10621338205213">min_peak_iops</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p1062113812524">integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p96211389521">Minimum I/O peak of a statement on all DNs (times/s in column-store tables and 10,000 times/s in row-store tables). This function is not enabled in cluster version 8.1.3. Therefore, you are not advised to refer to this field to analyze memory problems.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row518319212523"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p66343810522">max_peak_iops</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p196353816526">integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p1963153845212">Maximum I/O peak of a statement on all DNs (times/s in column-store tables and 10,000 times/s in row-store tables). This function is not enabled in cluster version 8.1.3. Therefore, you are not advised to refer to this field to analyze memory problems.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row19456325165215"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p1763838175213">average_peak_iops</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p26319381526">integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p106316389520">Average I/O peak of a statement on all DNs (times/s in column-store tables and 10,000 times/s in row-store tables). This function is not enabled in cluster version 8.1.3. Therefore, you are not advised to refer to this field to analyze memory problems.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row221630165216"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p1063143815214">iops_skew_percent</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p1631738155219">integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p66343815215">I/O skew across DNs. This function is not enabled in the 8.1.3 cluster version. You are not advised to analyze memory problems by referring to this field.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row104411924718"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p118332151863">warning</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p1383318153613">text</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p18833191517617">Warning. The following warnings and warnings related to SQL self-diagnosis tuning are displayed:</p>
<ol id="EN-US_TOPIC_0000001233681761__ol8779106142610"><li id="EN-US_TOPIC_0000001233681761__li877819613262">Spill file size large than 256MB</li><li id="EN-US_TOPIC_0000001233681761__li177796652612">Broadcast size large than 100MB</li><li id="EN-US_TOPIC_0000001233681761__li1779566266">Early spill</li><li id="EN-US_TOPIC_0000001233681761__li11779365263">Spill times is greater than 3</li><li id="EN-US_TOPIC_0000001233681761__li377926172612">Spill on memory adaptive</li><li id="EN-US_TOPIC_0000001233681761__li20779186192611">Hash table conflict</li></ol>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row544161910477"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p1583301514611">queryid</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p1833101519610">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p98336151469">Internal query ID used for statement execution</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row1143181934718"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p178331215466">query</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p883313158618">text</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p9833111510613">Statement that is being executed</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row1542619144715"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p1383471518620">query_plan</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p1483451513610">text</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p1883421516614">Execution plan of a statement</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001233681761__row178973320279"><td class="cellrowborder" valign="top" width="23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001233681761__p589718317273">node_group</p>
</td>
<td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001233681761__p6897431270">text</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001233681761__p789717311275">Logical cluster of the user running the statement</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
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