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doc-exports/docs/dws/dev/dws_04_1077.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_0000001764650220"></a><a name="EN-US_TOPIC_0000001764650220"></a>
<h1 class="topictitle1">PGXC_POOLER_STATUS</h1>
<div id="body0000001647000313"><p id="EN-US_TOPIC_0000001764650220__en-us_topic_0059778473_p43225613542">PGXC_POOLER_STATUS displays the pooler cache connection status of each CN in the current cluster. This view can be queried only on CNs to display the connection cache information of the pooler module on all CNs. The <strong id="EN-US_TOPIC_0000001764650220__b1963734293313">PGXC_POOLER_STATUS</strong> view is supported only by clusters of version 8.3.0 or later.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001764650220__t8f37951e562a45f2b38983d8b4231200" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PGXC_POOLER_STATUS columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001764650220__ra17db888ac3b451d860ccb39d61846b9"><th align="left" class="cellrowborder" valign="top" width="25.77%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0000001764650220__a973bbf30f2f54c33be947ab4b9b89785"><strong id="EN-US_TOPIC_0000001764650220__b123013751543822">Column</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="16.73%" id="mcps1.3.2.2.4.1.2"><p id="EN-US_TOPIC_0000001764650220__a2488fadd663d4ae2a5d7cf3ca841ae44">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="57.49999999999999%" id="mcps1.3.2.2.4.1.3"><p id="EN-US_TOPIC_0000001764650220__a8d95fdf546a0422bb63c71766f486dd2">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001764650220__row514431418184"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650220__p1214551411811">coorname</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650220__p8145514181818">Text</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650220__p614512144189">Name of the CN node.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650220__r34eeb04a36e548a7a56830a30d29560f"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650220__a891c3beee9ac40a49ed8e0611402d32b">database</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650220__af11a5190b72147079f8cd472dc455fec">Text</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650220__a2636ff4984e244968275bfb3cd3c7150">Database name.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650220__r51e88f3c40244661a918fbbbe41df8f5"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650220__a9c071fdb17564a10827f3b4b731de588">user_name</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650220__a13aaacc4b705463489fc6887b020a293">Text</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650220__a760369c7f010487da221ba6c9ee95ece">Username.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650220__r1aa1dd4430cf4bbd95065711402133a0"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650220__a008b0401b4474fe5b3b798f87daefc04">tid</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650220__a5a44fe6a3b9648b6a7fab2f6b276dcd6">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650220__a20317a2f3cc94ad3b77f069c568df6fd">ID of the thread used for the connection to the CN.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650220__r32597116f6a24a3ca27e9933ab89ad6a"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650220__a3e762c1d10ff43d492653e83b0cdc353">node_oid</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650220__ac1ed85e7bec14bf5ae0fbd8cefba0e06">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650220__a76e9590f3dfc477694a4f0c933c76e16">OID of the node connected to.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650220__r204ac11f8cc84d0896083d6f4acea788"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650220__a5ce71aaac0e2403091eeb551c0724007">node_name</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650220__adcec3a4026a343cfb84b72d386a06a36">Name</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650220__a7507430531214631904015f4d6d7b167">Name of the node connected to.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650220__rfbc8228577264fcaa69d8faa463271a7"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650220__a3f140b40fb3a47c5be40dc94435dc4c8">in_use</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650220__a2991e44edce14f8c8fcc7a75c57409b9"><span id="EN-US_TOPIC_0000001764650220__text11457942193614">boolean</span></p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650220__a7881d698cf6d41a78a74f12cd53176d9">Whether the connection is currently in use. The options are:</p>
<ul id="EN-US_TOPIC_0000001764650220__ua46cab6113ec40e58c31e693c298caed"><li id="EN-US_TOPIC_0000001764650220__lb0b6aa52f7dc47ff934afa3c0424e310"><strong id="EN-US_TOPIC_0000001764650220__b136635118194">t</strong> (true): The connection is in use.</li><li id="EN-US_TOPIC_0000001764650220__l8bb1fc28ec3c41b39010288618145456"><strong id="EN-US_TOPIC_0000001764650220__b178421031171911">f</strong> (false): The connection is not in use.</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650220__row1438023255615"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650220__p143801632125619">fdsock</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650220__p5380163225617">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650220__p16380193214561">Peer socket.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650220__row174610174572"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650220__p1746151725720">remote_pid</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650220__p17461191775717">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650220__p20461121725718">Peer thread ID.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650220__rade85c0aa26c4a699506af8fd4a993cb"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650220__a49369013a78149da9d433082eec1f228">session_params</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650220__ad039048075f84d00a40b7af3b4abe412">Text</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650220__a5c389e1798e340368ce1afad8a255d22">GUC session parameters issued by this connection.</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>