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Lu, Huayi a24ca60074 DWS DEVELOPER 811 version 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2023-01-19 13:37:49 +00:00

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<a name="EN-US_TOPIC_0000001098655146"></a><a name="EN-US_TOPIC_0000001098655146"></a>
<h1 class="topictitle1">PG_SESSION_IOSTAT</h1>
<div id="body1511401152340"><p id="EN-US_TOPIC_0000001098655146__p11559194711112"><strong id="EN-US_TOPIC_0000001098655146__b842352706164353">PG_SESSION_IOSTAT</strong> displays the I/O load management information about the task currently executed by the user.</p>
<p id="EN-US_TOPIC_0000001098655146__p19936125122912">IOPS is counted by ones for column storage and by thousands for row storage.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001098655146__table44251753205113" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PG_SESSION_IOSTAT columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001098655146__row74251253135114"><th align="left" class="cellrowborder" valign="top" width="22%" id="mcps1.3.3.2.4.1.1"><p id="EN-US_TOPIC_0000001098655146__a067f59a9cd3643f4874e25783c6f651a">Name</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="16%" id="mcps1.3.3.2.4.1.2"><p id="EN-US_TOPIC_0000001098655146__p6534121711119">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="62%" id="mcps1.3.3.2.4.1.3"><p id="EN-US_TOPIC_0000001098655146__p3600141915115">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001098655146__row342520531514"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001098655146__p12493182175917">query_id</p>
</td>
<td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001098655146__p188712711599">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001098655146__p649734055214">Job ID</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001098655146__row1542575314519"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001098655146__p105521817165815">mincurriops</p>
</td>
<td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001098655146__p4284141315919">integer</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001098655146__p1129655119">Minimum I/O of the current job across DNs</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001098655146__row1942515385119"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001098655146__p205811124195817">maxcurriops</p>
</td>
<td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001098655146__p1497640125210">integer</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001098655146__p330412591709">Maximum I/O of the current job across DNs</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001098655146__row7425253165116"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001098655146__p014123616582">minpeakiops</p>
</td>
<td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001098655146__p1955701710595">integer</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001098655146__p13482355103">Minimum peak I/O of the current job across DNs</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001098655146__row17425145365113"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001098655146__p51961544205813">maxpeakiops</p>
</td>
<td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001098655146__p8101719175920">integer</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001098655146__p01301251804">Maximum peak I/O of the current job across DNs</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001098655146__row1425105316514"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001098655146__p97950165816">io_limits</p>
</td>
<td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001098655146__p204971840175217">integer</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001098655146__p150516461602"><strong id="EN-US_TOPIC_0000001098655146__b84235270613028">io_limits</strong> set for the job</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001098655146__row742625316512"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001098655146__p7509655105820">io_priority</p>
</td>
<td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001098655146__p1698824212593">text</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001098655146__p4879421203"><strong id="EN-US_TOPIC_0000001098655146__b2123369783">io_priority</strong> set for the job</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001098655146__row712214118017"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001098655146__p141231014013">query</p>
</td>
<td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001098655146__p812341404">text</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001098655146__p20123312010">Job</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001098655146__row99511941113518"><td class="cellrowborder" valign="top" width="22%" headers="mcps1.3.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001098655146__p495111417356">node_group</p>
</td>
<td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.3.2.4.1.2 "><p id="EN-US_TOPIC_0000001098655146__p14951134117359">text</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.4.1.3 "><p id="EN-US_TOPIC_0000001098655146__p14951241113511">Logical cluster of the user running the job</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>
</div>
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