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Lu, Huayi e6fa411af0 DWS DEV 830.201 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2024-05-16 07:24:04 +00:00

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<a name="EN-US_TOPIC_0000001188163658"></a><a name="EN-US_TOPIC_0000001188163658"></a>
<h1 class="topictitle1">PGXC_COMM_STATUS</h1>
<div id="body8662426"><p id="EN-US_TOPIC_0000001188163658__en-us_topic_0059777924_p189252012879"><strong id="EN-US_TOPIC_0000001188163658__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_0000001188163658__t50fe875331be406db24628ca9342359d" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PGXC_COMM_STATUS columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001188163658__r2c2837e322134a01be30a914274db0ac"><th align="left" class="cellrowborder" valign="top" width="25.77%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0000001188163658__adcf063aefece413da87ea178156871e5"><strong id="EN-US_TOPIC_0000001188163658__b84235270691445">Name</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_0000001188163658__a633479cf6bbe46d0aa38e87894be13d9">Type</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_0000001188163658__ad48a6d07cb8c41438efff972064fbfef">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001188163658__r63d311b2bbd3472ca2353f6762d9961c"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188163658__a6d967b2333934a518c1db035e8a5e7d3">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_0000001188163658__a5237b81069624c67b9c60aa5ba5ae09f">text</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188163658__ac738afae6a3444cf85894209b8a2e632">Node name</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188163658__rcc34b716961d406788435dbecb9c93be"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188163658__ad74e0f3566224386a06f1a3148e08298">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_0000001188163658__a1d049cf25feb4471b503c38982ee7a5a">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188163658__a89a1563f76994ae1a545ee4dd422a781">Receiving rate of the communication library on a node. The unit is byte/s.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188163658__r327b259513e943b3b7730c33c7e8c1f4"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188163658__a8557e5afdac14132986944839c365d21">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_0000001188163658__a8daaece48c9149b2bf3b6c3052f90570">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188163658__ae2c7c7082868459e824cb49c9c6faf9d">Sending rate of the communication library on a node. The unit is byte/s.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188163658__re72134e8dbe84fd8862c907a774ad94b"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188163658__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_0000001188163658__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_0000001188163658__p1445174113299">Receiving rate of the communication library on a node. The unit is KB/s.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188163658__row32941724154710"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188163658__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_0000001188163658__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_0000001188163658__p154168491294">Sending rate of the communication library on a node. The unit is KB/s.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188163658__row16174182814477"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188163658__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_0000001188163658__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_0000001188163658__p11277165392915">Size of the buffer of the Cmailbox.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188163658__row1381841910483"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188163658__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_0000001188163658__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_0000001188163658__p3867356162912">Communication memory size of the <strong id="EN-US_TOPIC_0000001188163658__b1160934914618">libcomm</strong> process, in KB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188163658__row203308134487"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188163658__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_0000001188163658__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_0000001188163658__p638701193012">Communication memory size of the <strong id="EN-US_TOPIC_0000001188163658__b20218155615463">libpq</strong> process, in KB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188163658__row125219231486"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188163658__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_0000001188163658__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_0000001188163658__p11955199163010">Real-time usage of the postmaster thread.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188163658__row1350031616485"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188163658__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_0000001188163658__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_0000001188163658__p628317517303">Real-time usage of the <strong id="EN-US_TOPIC_0000001188163658__b15434826163410">gs_sender_flow_controller</strong> thread.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188163658__row8209131014489"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188163658__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_0000001188163658__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_0000001188163658__p173805294315">Real-time usage of the <strong id="EN-US_TOPIC_0000001188163658__b14603532113420">gs_receiver_flow_controller</strong> thread.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188163658__row19285191874716"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188163658__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_0000001188163658__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_0000001188163658__p220723310318">Highest real-time usage among multiple <strong id="EN-US_TOPIC_0000001188163658__b617110375347">gs_receivers_loop</strong> threads.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001188163658__row1050131294714"><td class="cellrowborder" valign="top" width="25.77%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188163658__ac8de0739eb9f4664b07a3beff0e0f6ae">stream</p>
</td>
<td class="cellrowborder" valign="top" width="14.66%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188163658__ab413cbe0621c4255a042db7673df0d52">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.57%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188163658__aa6d308ab0437402dba0e5752d80c97cd">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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