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doc-exports/docs/dws/dev/dws_04_0702.html
luhuayi 177cd61a57 DWS DEVG 910.211 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: luhuayi <luhuayi@huawei.com>
Co-committed-by: luhuayi <luhuayi@huawei.com>
2025-05-05 07:44:03 +00:00

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<a name="EN-US_TOPIC_0000001811491025"></a><a name="EN-US_TOPIC_0000001811491025"></a>
<h1 class="topictitle1">GS_WLM_OPERATOR_HISTORY</h1>
<div id="body8662426"><p id="EN-US_TOPIC_0000001811491025__a45f0a79b647d4906b31045f9af312b1c"><strong id="EN-US_TOPIC_0000001811491025__b1838916507440">GS_WLM_OPERATOR_HISTORY</strong> displays the records of operators in jobs that have been executed by the current user on the current CN.</p>
<p id="EN-US_TOPIC_0000001811491025__ace631a2665914f6bac89057b87167d19">This view is used to query data from GaussDB(DWS). Data in the database is cleared periodically. If the GUC parameter <a href="dws_04_0922.html#EN-US_TOPIC_0000001811490709__s5f116e109a2944e3854abcc56772eaa1">enable_resource_record</a> is set to <strong id="EN-US_TOPIC_0000001811491025__b11672758131215">on</strong>, records in the view will be dumped to the system catalog <a href="dws_04_0565.html">GS_WLM_OPERATOR_INFO</a> every 3 minutes and deleted from the view. If <strong id="EN-US_TOPIC_0000001811491025__b17875184716">enable_resource_record</strong> is set to <strong id="EN-US_TOPIC_0000001811491025__b18675258201215">off</strong>, the records will be deleted from the view after the retention period expires. The recorded data is the same as that described in <a href="#EN-US_TOPIC_0000001811491025__ta2c1b3b6469742cd9a313f0843410206">Table 1</a>.</p>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000001811491025__ta2c1b3b6469742cd9a313f0843410206"></a><a name="ta2c1b3b6469742cd9a313f0843410206"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001811491025__ta2c1b3b6469742cd9a313f0843410206" frame="border" border="1" rules="all"><caption><b>Table 1 </b>GS_WLM_OPERATOR_INFO columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_r394f1a1ed92c49b2abfdd691232edd2d"><th align="left" class="cellrowborder" valign="top" width="22%" id="mcps1.3.3.2.4.1.1"><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_acdafc26c873242d1b262dba53cadfcad"><strong id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_b14138266824347">Column</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="19%" id="mcps1.3.3.2.4.1.2"><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_en-us_topic_0111176227_p651816147513">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="59%" id="mcps1.3.3.2.4.1.3"><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a41d0f6f6713842e28ee22c90026c3dfa">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_row923413616325"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_p1723573693215">nodename</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_p182351364322">Text</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_p162355368322">Name of the CN where the statement is executed</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_r65e527276cad4724b3a3ef2334c88acb"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a56b2e5bbc9f94d6c865861dce711347f">queryid</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a3ad2ab36e5fb41f0b5213a70b487dc24">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a3075d2cebe6940eba60ad03dd992c01f">Internal query_id used for statement execution</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_r84eb34afa7554eaa9bb2436c9de2e45b"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_aadd9de83241341a2af7addce6a82d465">pid</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a3e4dc63cf2704dc5beeb3b5117634ade">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_en-us_topic_0111176227_p651921410511">Backend thread ID</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_r88b044a65aa24260ac117725154c42b6"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a31b482d62ec742eaa18ab7404f00e070">plan_node_id</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a188fa99651af4dee87e58f7e084b43c7">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_ac0eabcdc99a543fa85c9cecaa0cd77c2">plan_node_id of the execution plan of a query</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_rf75eab0903e2445993e02c25deb2b2c4"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a13afb042c1904f758a87d31c088f22f6">plan_node_name</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a3001da8485d54defa88f66f8dd221ec1">Text</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a5916ef5ac8f94886b6cb71eecda446bb">Name of the operator corresponding to plan_node_id</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_r7a78f6ed6020408098b870c56bef2147"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a52b290ba721c41b69ecc600fa6715547">start_time</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a4a9f932b044644b8863da04c93b6bba5">Timestamp with time zone</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_en-us_topic_0111176227_p751971405113">Time when an operator starts to process the first data record</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_rdeb6648aa3a14eadafadb8594b392dd4"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_ad4704fde9f244ea593a46c7238508f92">duration</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a77d7af4ed1df4ec6b2af7c04d82a7b21">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a8b553a22bd33465682818ff4a57949cd">Total execution time of an operator. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_r8856a14584a6425ebc1bded7eefe42e4"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a6e420436c0054446ac8b6d4159e5b1ee">query_dop</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a185d26ff62cb44039ae21544e5fb89ed">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a9461c107a1a0433da56093e3ce4c02df">Degree of parallelism (DOP) of the current operator</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_r7cb049a3d5864a34b752a81857ddc508"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_aeda2878b21cc445ead8716cba33a2ce4">estimated_rows</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a41ab7137acf74040a7f3657ccf78106a">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a2b0575afb3254f598c9069f6df59208e">Number of rows estimated by the optimizer</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_rc7756a9aed7543319f7c3685fd58db2c"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_ad48609f62cf44f81aa49dfa2391bbd44">tuple_processed</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a713f0add387d4f008d05b40bbcf015f6">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_en-us_topic_0111176227_p55195145519">Number of elements returned by the current operator</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_rb482696b4f24400ab3b2f08cdd49c93a"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_en-us_topic_0111176227_p45193142511">min_peak_memory</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a4f302e41382b486ca144786d0e4494aa">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_ab6f2b661b8344e9788a880fa138b9bd2">Minimum peak memory used by the current operator on all DNs. The unit is MB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_r5618b05610e147a78e84dd5337d60303"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a54d9a01e8da84274b9175ab79bbea0a1">max_peak_memory</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_ad3b1e0bf09954e95bc49d88d9eb17d3a">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a659060c4e7db4f7286165fa805384f42">Maximum peak memory used by the current operator on all DNs. The unit is MB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_r1233debc36ae4d119f5197d1b98aa573"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a23dafedae219460c8fd76ac800a6b511">average_peak_memory</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_aae495474831d4d1c9efa0137834513ee">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a0f15e3120afa48b29d074b6f3d621607">Average peak memory used by the current operator on all DNs. The unit is MB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_ra9bd6c1dd9f94279b5ec47d588de7b61"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_en-us_topic_0111176227_p162135421546">memory_skew_percent</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_en-us_topic_0111176227_p02131442948">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_ac1dee150b73d4c999a457bf7970a7dd7">Memory usage skew of the current operator among DNs</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_r32d3fd4a77a2428987f0e1b7ae469f00"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a632637c0837e4c589a4fddbc82bb4163">min_spill_size</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_en-us_topic_0111176227_p952021419512">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_p627672413297">Minimum spilled data among all DNs when a spill occurs. The unit is MB. The default value is <strong id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_b842352706222527">0</strong>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_rba9e7ad0e9eb4638bf8ecad6898c10b8"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_aba9600f5d73842ec84cadbab37c306c4">max_spill_size</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_ae258bdbd40034a8d9f4593b07f5c821a">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_p12771924162918">Maximum spilled data among all DNs when a spill occurs. The unit is MB. The default value is <strong id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_b1768275604515">0</strong>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_r16e98b885be641d4a067e8fcc5049fc6"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a9003653b66e04b818d63b7cdcf3a669b">average_spill_size</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_en-us_topic_0111176227_p752061414517">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_p9277142492913">Average spilled data among all DNs when a spill occurs. The unit is MB. The default value is <strong id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_b63581155469">0</strong>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_r076994ff252d41ada266fb30e4dff109"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_ada08e42d0a064f15a6a987858d20cb9d">spill_skew_percent</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_en-us_topic_0111176227_p85201141517">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a99097da79d6344bb837a18314a493939">DN spill skew when a spill occurs</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_rf2e424638e1b459d83eade9cba7742f4"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_ab65cbe57a8fd4f7995e41b618c21eca0">min_cpu_time</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_en-us_topic_0111176227_p145200142510">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_en-us_topic_0111176227_p185204140516">Minimum execution time of the operator on all DNs. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_r25ce7459994a4f58a784b3d9cdada88a"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_en-us_topic_0111176227_p752019149519">max_cpu_time</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_aaa64b8f777c64db5bffb77a457339710">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_en-us_topic_0111176227_p65207145515">Maximum execution time of the operator on all DNs. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_r870f95b5891c4c93a25e977c91014d61"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a356c34ed056d4ff28bd35250b2894a0b">total_cpu_time</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a1a5df49995cc4b8e8fc71578326fab91">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_ab766b80f13f0401cb9dbd9c40693dbd4">Total execution time of the operator on all DNs. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_r9fbd973f40d34a14b0b0ab6d26f6d3d8"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a4a8f12f1d3464991bdedb95a4c695124">cpu_skew_percent</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a4c5bdb50bec94222965450d4c995d0e3">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a7b7bdff6158648e383c7ee1a9452fe6e">Skew of the execution time among DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_rb31e1f1dc9614a11a6fc9316eab76dda"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a705a3296d1824a908744df2d0cf69036">warning</p>
</td>
<td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a8d80ed676a61435f8d0182dc3229101a">Text</p>
</td>
<td class="cellrowborder" valign="top" width="59%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_a6b1e9e6b8eb044c8b7a9ada59f0eb6e5">Warning. The following warnings are displayed:</p>
<ol id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_ol51018198136"><li id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_li1410151901318">Sort/SetOp/HashAgg/HashJoin spill</li><li id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_li14101171915136">Spill file size large than 256MB</li><li id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_li4101151911135">Broadcast size large than 100MB</li><li id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_li110131931315">Early spill</li><li id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_li14101191941317">Spill times is greater than 3</li><li id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_li1210114198136">Spill on memory adaptive</li><li id="EN-US_TOPIC_0000001811491025__en-us_topic_0000001811490717_li19101101971319">Hash table conflict</li></ol>
</td>
</tr>
</tbody>
</table>
</div>
</div>
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