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doc-exports/docs/dws/dev/dws_04_1021.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_0000001811609725"></a><a name="EN-US_TOPIC_0000001811609725"></a>
<h1 class="topictitle1">PGXC_WLM_USER_RESOURCE_HISTORY</h1>
<div id="body0000001411845909"><p id="EN-US_TOPIC_0000001811609725__p1983063921216">The <strong id="EN-US_TOPIC_0000001811609725__b10891105314594">PGXC_WLM_USER_RESOURCE_HISTORY</strong> view displays historical information about resource consumption of all users on the corresponding instances. This view is supported only by clusters of version 8.2.0 or later.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001811609725__table1587313721120" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PGXC_WLM_USER_RESOURCE_HISTORY columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001811609725__row587317101113"><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0000001811609725__afbe7fe3528aa4d23a961fb047a3be366"><strong id="EN-US_TOPIC_0000001811609725__b15974490344390">Column</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.2.2.4.1.2"><p id="EN-US_TOPIC_0000001811609725__a32766e1c79fc45b5a8bc604d73582551">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_0000001811609725__a37865a77d1a4411998bbb8d0892f7e33">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001811609725__row787497121111"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p1148681313253">nodename</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p1486213122516">Name</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p64861313202517">Instance name, including CNs and DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row1787547171111"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p19384122513537">username</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p2038432565314">Text</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p476117264572">Username</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row118755711117"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p11384162515537">Timestamp</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p238412514537">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_0000001811609725__p1338416250537">Timestamp</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row98766714113"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p668511435018">used_memory</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p14685171665014">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p1230151411213">Used memory (unit: MB).</p>
<p id="EN-US_TOPIC_0000001811609725__p845618124424">On a DN, it indicates a user's memory usage on the current DN.</p>
<p id="EN-US_TOPIC_0000001811609725__p43524220416">On a CN, it indicates a user's total memory usage on all DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row188777741116"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p5679514175011">total_memory</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p1168011168503">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p62251431218">Available memory (unit: MB). <strong id="EN-US_TOPIC_0000001811609725__b152788286842711">0</strong> indicates that the available memory is not limited and depends on the maximum memory available in the database.</p>
<p id="EN-US_TOPIC_0000001811609725__p723612044312">On a DN, it indicates the memory available to a user on the current DN.</p>
<p id="EN-US_TOPIC_0000001811609725__p123443334313">On a CN, it indicates the total memory available to a user on all DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row11877778116"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p1867311148502">used_cpu</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p1267381675012">Double precision</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p10480171813500">Number of CPU cores in use. Only the CPU usage of complex jobs in the non-default resource pool is collected, and the value is the CPU usage of the related cgroup.</p>
<p id="EN-US_TOPIC_0000001811609725__p14255208448">On a DN, it indicates a user's CPU core usage on the current DN.</p>
<p id="EN-US_TOPIC_0000001811609725__p13895222104416">On a CN, it indicates a user's total CPU core usage on all DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row1878379117"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p36685141505">total_cpu</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p066791616503">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p188951125151817">Total number of CPU cores of the Cgroups associated with a user.</p>
<p id="EN-US_TOPIC_0000001811609725__p3416033164612">On a DN, it indicates the CPU cores available to a user on the current DN.</p>
<p id="EN-US_TOPIC_0000001811609725__p2417133114610">On a CN, it indicates the total CPU cores available to a user on all DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row115153018129"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p1689592518180">used_space</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p12895425161810">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p489502517187">Used permanent table storage space (unit: KB)</p>
<p id="EN-US_TOPIC_0000001811609725__p1249215442477">On a DN, it indicates the size of the permanent table storage space used by a user on the current DN.</p>
<p id="EN-US_TOPIC_0000001811609725__p1549219443470">On a CN, it indicates the total size of the permanent table storage space used by a user on all DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row19352017122319"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p186535140501">total_space</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p9653416105019">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p245720181507">Available storage space, in KB. <strong id="EN-US_TOPIC_0000001811609725__b130512428542711">–1</strong> indicates that the storage space is not limited.</p>
<p id="EN-US_TOPIC_0000001811609725__p19152032485">On a DN, it indicates the size of the permanent table storage space available to a user on the current DN.</p>
<p id="EN-US_TOPIC_0000001811609725__p18152835486">On a CN, it indicates the total size of the permanent table storage space available to a user on all DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row276320202232"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p94639321619">used_temp_space</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p7222183681018">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p1246314321114">Used temporary table storage space (unit: KB)</p>
<p id="EN-US_TOPIC_0000001811609725__p11650624124817">On a DN, it indicates the size of the temporary table storage space used by a user on the current DN.</p>
<p id="EN-US_TOPIC_0000001811609725__p1265072494810">On a CN, it indicates the total size of the temporary table storage space used by a user on all DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row15243524202312"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p76971146151017">total_temp_space</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p8698194610108">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p1269824641011">Available temporary table storage space, in KB. <strong id="EN-US_TOPIC_0000001811609725__b105435951542711">–1</strong> indicates that the storage space is not limited.</p>
<p id="EN-US_TOPIC_0000001811609725__p8284143814486">On a DN, it indicates the size of the temporary table storage space available to a user on the current DN.</p>
<p id="EN-US_TOPIC_0000001811609725__p228463884817">On a CN, it indicates the total size of the temporary table storage space available to a user on all DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row17314102715238"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p199181152111020">used_spill_space</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p8918185210105">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p13918185217106">Size of space used for operator spill to disk, in KB.</p>
<p id="EN-US_TOPIC_0000001811609725__p2450172614497">On a DN, it indicates displays the size of the operator flushing space used by the user on the current DN.</p>
<p id="EN-US_TOPIC_0000001811609725__p17450112654917">On a CN, it indicates the total space used by a user's operators spilled to disk on all DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row1167423319238"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p1653115816103">total_spill_space</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p1065305881013">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p465325817104">Size of space available for operator spill to disk, in KB. The value <strong id="EN-US_TOPIC_0000001811609725__b557113510589">–1</strong> indicates that the space is not limited.</p>
<p id="EN-US_TOPIC_0000001811609725__p1782313432494">On a DN, it indicates displays the size of the operator flushing space that can be used by the user on the current DN.</p>
<p id="EN-US_TOPIC_0000001811609725__p208232043184919">On a CN, it indicates the total space available for a user to spill operators to disk on all DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row3953536192319"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p8388308478">read_kbytes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p638811016471">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p8277857114811">On a CN, it indicates total number of bytes read by a user's complex jobs on all DNs in the last 5 seconds. The unit is KB.</p>
<p id="EN-US_TOPIC_0000001811609725__p1427717571481">On a DN, it indicates the total number of bytes read by a user's complex jobs from the instance startup time to the current time. The unit is KB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row1682993914233"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p156151330184710">write_kbytes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p1161513074715">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p1217253213581">On a CN, it indicates total number of bytes written by a user's complex jobs on all DNs in the last 5 seconds.</p>
<p id="EN-US_TOPIC_0000001811609725__p19381315114918">On a DN, it indicates the total number of bytes written by a user's complex jobs from the instance startup time to the current time. The unit is KB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row973264312233"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p1188642564712">read_counts</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p08861525174711">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p19829123518498">On a CN, it indicates total number of read times of a user's complex jobs on all DNs in the last 5 seconds.</p>
<p id="EN-US_TOPIC_0000001811609725__p082910356494">On a DN, it indicates total number of read times of a user's complex jobs from the instance startup time to the current time.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row8181164962312"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p111801422114718">write_counts</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p11180322104720">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p17947104213491">On a CN, it indicates total number of write times of a user's complex jobs on all DNs in the last 5 seconds.</p>
<p id="EN-US_TOPIC_0000001811609725__p394714214917">On a DN, it indicates total number of write times of a user's complex jobs from the instance startup time to the current time.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row186311124132418"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p1216147144613">read_speed</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p021614714615">Double precision</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p8976164744917">On a CN, it indicates the average read rate of a user's complex jobs on a single DN in the last 5 seconds, in KB/s.</p>
<p id="EN-US_TOPIC_0000001811609725__p1697611471499">On a DN, it indicates the average read rate of a user's complex jobs on the DN in the last 5 seconds, in KB/s.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row34719290249"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p12810113554613">write_speed</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p158106353462">Double precision</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p17249157134919">On a CN, it indicates the average write rate of a user's complex jobs on a single DN in the last 5 seconds, in KB/s.</p>
<p id="EN-US_TOPIC_0000001811609725__p82491257104910">On a DN, it indicates the average write rate of a user's complex jobs on the DN in the last 5 seconds, in KB/s.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row189552033141210"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p139552331127">send_speed</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p6955133351210">Double precision</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p4504205521210">On a CN, it indicates the sum of the average network sending rates of a user on all DNs in a 5s monitoring period, in KB/s.</p>
<p id="EN-US_TOPIC_0000001811609725__p19504195511123">On a DN, it indicates the average network sending rate of a user on the DN in a 5s monitoring period, in KB/s.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001811609725__row1512010445127"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001811609725__p31201144131216">recv_speed</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001811609725__p8120144161214">Double precision</p>
</td>
<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001811609725__p11900125115136">On a CN, it indicates the sum of the average network receiving rates of a user on all DNs in a 5s monitoring period, in KB/s.</p>
<p id="EN-US_TOPIC_0000001811609725__p190085113134">On a DN, it indicates the average network receiving rate of a user on the DN in a 5s monitoring period, in KB/s.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_04_0639.html">System Views</a></div>
</div>
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