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doc-exports/docs/dws/dev/dws_04_0723.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_0000001764491744"></a><a name="EN-US_TOPIC_0000001764491744"></a>
<h1 class="topictitle1">PG_COMM_STATUS</h1>
<div id="body8662426"><p id="EN-US_TOPIC_0000001764491744__en-us_topic_0059777625_p514221585113"><strong id="EN-US_TOPIC_0000001764491744__b6388131416395">PG_COMM_STATUS</strong> displays the communication library status for a single DN.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001764491744__t0f815dc55aa24b49acf9e1c572f3079d" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PG_COMM_STATUS columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001764491744__rb60a81a171004dcb943e7533c03dfa34"><th align="left" class="cellrowborder" valign="top" width="25.77%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0000001764491744__afdfb4cbc5a57427b9d2790f1b8731e2b"><strong id="EN-US_TOPIC_0000001764491744__b25522875143639">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_0000001764491744__aea7fcc522d48415c9d3ef8848b6db919"><strong id="EN-US_TOPIC_0000001764491744__b19757943104019">Type</strong></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_0000001764491744__a35ca664243854fcab71a53a35ad02bbc"><strong id="EN-US_TOPIC_0000001764491744__b185964459404">Description</strong></p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001764491744__r081c418cd5bb4e8ea68a869f2e3261d6"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491744__aef61fa44c10047ff9dc3da38b556a7af">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_0000001764491744__a4d98704fd090497285d0a991678c3ef0">Text</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491744__a5542c5fa67e4404898ab21816c83253b">Node name.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491744__rbcaa9912724a4298ba845464d72e74b8"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491744__a5395b69f6bd74498946591b59c45a131">rxpck/s</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491744__a034e7703b63840dc8c0b88ddbd8ded7f">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491744__a54c5eb36e63b4339a0b4c567c6dffd89">Receiving rate of the communication library on a node. The unit is byte/s.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491744__r646d0d22546c42a99e18587c3eeff5ed"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491744__a90d982b2999a4240a333c1ea0b7089a9">txpck/s</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491744__af1a4c209076141aba8020a0a784daf2b">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491744__a94b99f150e834d9690aae5613db114a0">Sending rate of the communication library on a node. The unit is byte/s.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491744__row1944494192914"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491744__p194441341182910">rxkB/s</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491744__p164459411296">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491744__p1445174113299">Receiving rate of the communication library on a node. The unit is KB/s.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491744__row1141510492295"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491744__p1450471714313">txkB/s</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491744__p413191016347">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491744__p154168491294">Sending rate of the communication library on a node. The unit is KB/s.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491744__row172777537299"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491744__p05041817183115">buffer</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491744__p17714191010345">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491744__p11277165392915">Size of the buffer of the Cmailbox.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491744__row1086665615294"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491744__p13504121713115">memKB(libcomm)</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491744__p1623131273420">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491744__p3867356162912">Communication memory size of the <strong id="EN-US_TOPIC_0000001764491744__b102251230263">libcomm</strong> process, in KB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491744__row19386121103016"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491744__p850431763114">memKB(libpq)</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491744__p2375616173414">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491744__p638701193012">Communication memory size of the <strong id="EN-US_TOPIC_0000001764491744__b073814558613">libpq</strong> process, in KB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491744__row195514953012"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491744__p0504131793113">%USED(PM)</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491744__p16955159103010">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491744__p11955199163010">Real-time usage of the postmaster thread.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491744__row7283175173020"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491744__p1150417176318">%USED (sflow)</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491744__p16283105173020">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491744__p628317517303">Real-time usage of the <strong id="EN-US_TOPIC_0000001764491744__b15184261177">gs_sender_flow_controller</strong> thread.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491744__row737922963112"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491744__p113604596316">%USED (rflow)</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491744__p938042917314">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491744__p173805294315">Real-time usage of the <strong id="EN-US_TOPIC_0000001764491744__b14131939978">gs_receiver_flow_controller</strong> thread.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491744__row9206533143119"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491744__p13609591313">%USED (rloop)</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491744__p19207133312317">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491744__p220723310318">Highest real-time usage among multiple <strong id="EN-US_TOPIC_0000001764491744__b13332411083">gs_receivers_loop</strong> threads.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491744__r9d98a70576a742ea8fbcfedf201e5837"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764491744__a62f25f0b52184beab90067322b1aef75">stream</p>
</td>
<td class="cellrowborder" valign="top" width="16.73%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764491744__a9521f172da614e699efe3a9cb9379c72">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="57.49999999999999%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764491744__a6ebd9a4ccd5142d8977806ff2cf82765">Total number of used logical connections.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_04_0639.html">System Views</a></div>
</div>
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