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doc-exports/docs/dws/dev/dws_04_0801.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_0000001764650588"></a><a name="EN-US_TOPIC_0000001764650588"></a>
<h1 class="topictitle1">PGXC_COMM_STATUS</h1>
<div id="body8662426"><p id="EN-US_TOPIC_0000001764650588__en-us_topic_0059777924_p189252012879"><strong id="EN-US_TOPIC_0000001764650588__b141312544218">PGXC_COMM_STATUS</strong> displays the communication library status for all the DNs.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001764650588__t27e38ba234a143569858ab80db17bf7a" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PGXC_COMM_STATUS columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001764650588__r92ae891f6b5a4051afc5639a61a76f54"><th align="left" class="cellrowborder" valign="top" width="25.77%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0000001764650588__a5336e26c20ab4bef8199fbed33632bd0"><strong id="EN-US_TOPIC_0000001764650588__b29556379843755">Column</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.66%" id="mcps1.3.2.2.4.1.2"><p id="EN-US_TOPIC_0000001764650588__aca7506ceae544a5c891cfa5653560211"><strong id="EN-US_TOPIC_0000001764650588__b72791561493">Type</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="59.57%" id="mcps1.3.2.2.4.1.3"><p id="EN-US_TOPIC_0000001764650588__ab5102a9463514466978f827647784e91"><strong id="EN-US_TOPIC_0000001764650588__b112711844912">Description</strong></p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001764650588__r3cfcac3672f748f284bc9485ce8ed4b8"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650588__ac9f4c53ab48a48b79edcf33719f1d323">node_name</p>
</td>
<td class="cellrowborder" valign="top" width="14.66%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650588__aeb16307fb1b547b89a183f8d68750e1c">Text</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650588__ae8afbf277f1d4db8ab4957f09fe469e7">Node name.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650588__red10e131588f4fdf9d1569db959b2f22"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650588__a5395b69f6bd74498946591b59c45a131">rxpck/s</p>
</td>
<td class="cellrowborder" valign="top" width="14.66%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650588__a034e7703b63840dc8c0b88ddbd8ded7f">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650588__a54c5eb36e63b4339a0b4c567c6dffd89">Receiving rate of the communication library on a node. The unit is byte/s.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650588__ra0567669a50f4ae0ba195d2121b2775a"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650588__a90d982b2999a4240a333c1ea0b7089a9">txpck/s</p>
</td>
<td class="cellrowborder" valign="top" width="14.66%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650588__af1a4c209076141aba8020a0a784daf2b">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650588__a94b99f150e834d9690aae5613db114a0">Sending rate of the communication library on a node. The unit is byte/s.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650588__r8ac43f0e2a824369981a262a390aec0f"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650588__p194441341182910">rxkB/s</p>
</td>
<td class="cellrowborder" valign="top" width="14.66%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650588__p164459411296">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650588__p1445174113299">Receiving rate of the communication library on a node. The unit is KB/s.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650588__row32941724154710"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650588__p1450471714313">txkB/s</p>
</td>
<td class="cellrowborder" valign="top" width="14.66%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650588__p413191016347">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650588__p154168491294">Sending rate of the communication library on a node. The unit is KB/s.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650588__row16174182814477"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650588__p05041817183115">buffer</p>
</td>
<td class="cellrowborder" valign="top" width="14.66%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650588__p17714191010345">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650588__p11277165392915">Size of the buffer of the Cmailbox.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650588__row1381841910483"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650588__p13504121713115">memKB(libcomm)</p>
</td>
<td class="cellrowborder" valign="top" width="14.66%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650588__p1623131273420">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650588__p3867356162912">Communication memory size of the <strong id="EN-US_TOPIC_0000001764650588__b1160934914618">libcomm</strong> process, in KB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650588__row203308134487"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650588__p850431763114">memKB(libpq)</p>
</td>
<td class="cellrowborder" valign="top" width="14.66%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650588__p2375616173414">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650588__p638701193012">Communication memory size of the <strong id="EN-US_TOPIC_0000001764650588__b20218155615463">libpq</strong> process, in KB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650588__row125219231486"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650588__p0504131793113">%USED(PM)</p>
</td>
<td class="cellrowborder" valign="top" width="14.66%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650588__p16955159103010">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650588__p11955199163010">Real-time usage of the postmaster thread.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650588__row1350031616485"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650588__p1150417176318">%USED (sflow)</p>
</td>
<td class="cellrowborder" valign="top" width="14.66%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650588__p16283105173020">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650588__p628317517303">Real-time usage of the <strong id="EN-US_TOPIC_0000001764650588__b15434826163410">gs_sender_flow_controller</strong> thread.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650588__row8209131014489"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650588__p113604596316">%USED (rflow)</p>
</td>
<td class="cellrowborder" valign="top" width="14.66%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650588__p938042917314">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650588__p173805294315">Real-time usage of the <strong id="EN-US_TOPIC_0000001764650588__b14603532113420">gs_receiver_flow_controller</strong> thread.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650588__row19285191874716"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650588__p13609591313">%USED (rloop)</p>
</td>
<td class="cellrowborder" valign="top" width="14.66%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650588__p19207133312317">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650588__p220723310318">Highest real-time usage among multiple <strong id="EN-US_TOPIC_0000001764650588__b617110375347">gs_receivers_loop</strong> threads.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764650588__row1050131294714"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001764650588__a62f25f0b52184beab90067322b1aef75">stream</p>
</td>
<td class="cellrowborder" valign="top" width="14.66%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001764650588__a9521f172da614e699efe3a9cb9379c72">Integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001764650588__a6ebd9a4ccd5142d8977806ff2cf82765">Total number of used logical connections.</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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