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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_0000001936040562"></a><a name="EN-US_TOPIC_0000001936040562"></a>
<h1 class="topictitle1">PGXC_AIO_RESOURCE_POOL_STATS</h1>
<div id="body0000001936040562"><p id="EN-US_TOPIC_0000001936040562__p92732046113118"><strong id="EN-US_TOPIC_0000001936040562__b13931728194511">PGXC_AIO_RESOURCE_POOL_STATS</strong> queries the status of the asynchronous I/O resource pool usage for all nodes in the cluster. This includes the node name, the name of the asynchronous I/O resource type, the number of asynchronous I/O resources in use, and the number of idle asynchronous I/O resources. This view is supported only by 9.1.0.100 and later cluster versions.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001936040562__table14660425239" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PGXC_AIO_RESOURCE_POOL_STATS columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001936040562__row1366113218234"><th align="left" class="cellrowborder" valign="top" width="15.161516151615162%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0000001936040562__p143531410172314"><strong id="EN-US_TOPIC_0000001936040562__b161909476043749">Column</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="16.67166716671667%" id="mcps1.3.2.2.4.1.2"><p id="EN-US_TOPIC_0000001936040562__p735341062318">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="68.16681668166817%" id="mcps1.3.2.2.4.1.3"><p id="EN-US_TOPIC_0000001936040562__p8353141042310">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001936040562__row106614292319"><td class="cellrowborder" valign="top" width="15.161516151615162%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001936040562__p53531110122320">node_name</p>
</td>
<td class="cellrowborder" valign="top" width="16.67166716671667%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001936040562__p1535317108232">Text</p>
</td>
<td class="cellrowborder" valign="top" width="68.16681668166817%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001936040562__p1635361010237">Node name.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001936040562__row1366119220230"><td class="cellrowborder" valign="top" width="15.161516151615162%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001936040562__p2035361032317">resource_name</p>
</td>
<td class="cellrowborder" valign="top" width="16.67166716671667%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001936040562__p43534108232">Text</p>
</td>
<td class="cellrowborder" valign="top" width="68.16681668166817%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001936040562__p935321062316">Asynchronous I/O resource type. The options are:</p>
<ul id="EN-US_TOPIC_0000001936040562__ul16568114613449"><li id="EN-US_TOPIC_0000001936040562__li65681246174416"><strong id="EN-US_TOPIC_0000001936040562__b0533829114916">ASYNC_CONTEXT_TYPE</strong>: Asynchronous context resource in the FPT (Future-Promise-Then) framework, at the thread level.</li><li id="EN-US_TOPIC_0000001936040562__li1256812464442"><strong id="EN-US_TOPIC_0000001936040562__b363145319496">DISK_CACHE_CACHE_BLOCK_TYPE</strong>: Instance of disk cache granularity block.</li><li id="EN-US_TOPIC_0000001936040562__li6569194634418"><strong id="EN-US_TOPIC_0000001936040562__b15410171018507">DISK_CACHE_PATH_MANAGER_TYPE</strong>: Cache path manager in the disk cache, at the thread level.</li><li id="EN-US_TOPIC_0000001936040562__li356924614419"><strong id="EN-US_TOPIC_0000001936040562__b977962215011">FUTURE_STATE_TYPE</strong>: Shared state FutureState of Future and Promise in the FPT framework.</li><li id="EN-US_TOPIC_0000001936040562__li756994611448"><strong id="EN-US_TOPIC_0000001936040562__b1977383614508">FUTURE_TYPE</strong>: Future in the FPT framework, which provides a non-blocking way to get the result of an asynchronous task.</li><li id="EN-US_TOPIC_0000001936040562__li6569104634415"><strong id="EN-US_TOPIC_0000001936040562__b1634795315506">OBS_GET_IO_SCHEDULER_PERIODIC_STATS_SYSTEM_MESSAGE_TYPE</strong>: System message of type <strong id="EN-US_TOPIC_0000001936040562__b16493152145115">pgxc_obs_io_scheduler_periodic_stats</strong> in the asynchronous scheduling module statistics view.</li><li id="EN-US_TOPIC_0000001936040562__li19569174674413"><strong id="EN-US_TOPIC_0000001936040562__b11684121517513">OBS_IO_REQUEST_TYPE</strong>: I/O request in the asynchronous scheduling module.</li><li id="EN-US_TOPIC_0000001936040562__li95691846134413"><strong id="EN-US_TOPIC_0000001936040562__b1279992919518">OBS_IO_STATS_SYSTEM_MESSAGE_TYPE</strong>: System message of the <strong id="EN-US_TOPIC_0000001936040562__b16453434135114">pgxc_obs_io_scheduler_stats</strong> view in the asynchronous scheduling statistics module.</li><li id="EN-US_TOPIC_0000001936040562__li1456924613444"><strong id="EN-US_TOPIC_0000001936040562__b195731446205118">OBS_MANAGE_PRIORITY_SYSTEM_MESSAGE_TYPE</strong>: System message used to adjust priority in the asynchronous scheduling module.</li><li id="EN-US_TOPIC_0000001936040562__li856954684419"><strong id="EN-US_TOPIC_0000001936040562__b17198150115216">OBS_SYSTEM_MESSAGE_TYPE</strong>: System message in the asynchronous scheduling module.</li><li id="EN-US_TOPIC_0000001936040562__li3569134614417"><strong id="EN-US_TOPIC_0000001936040562__b1390017114520">OBS_VFILE_TYPE</strong>: Virtual file in OBS, OBS read/write handle.</li><li id="EN-US_TOPIC_0000001936040562__li75693469444"><strong id="EN-US_TOPIC_0000001936040562__b17107152820528">READ_SEGMENT_TYPE</strong>: Entity that merges multiple OBS read requests.</li><li id="EN-US_TOPIC_0000001936040562__li1756917467447"><strong id="EN-US_TOPIC_0000001936040562__b194834125217">SHARED_OBS_HANDLE_TYPE</strong>: OBS Handler resource used to connect to the OBS service.</li><li id="EN-US_TOPIC_0000001936040562__li13569154615444"><strong id="EN-US_TOPIC_0000001936040562__b361135214527">SHARED_VAR_AUTO_GUARD_TYPE</strong>: Thread-level resource that manages OBS Handler and cached OBS file streams.</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001936040562__row36615282318"><td class="cellrowborder" valign="top" width="15.161516151615162%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001936040562__p133531310122319">busy_num</p>
</td>
<td class="cellrowborder" valign="top" width="16.67166716671667%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001936040562__p2353141042318">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="68.16681668166817%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001936040562__p535391022316">Number of asynchronous I/O resources in use.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001936040562__row3661142122317"><td class="cellrowborder" valign="top" width="15.161516151615162%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001936040562__p1435311018239">idle_num</p>
</td>
<td class="cellrowborder" valign="top" width="16.67166716671667%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001936040562__p2353131010238">Bigint</p>
</td>
<td class="cellrowborder" valign="top" width="68.16681668166817%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001936040562__p16353510112317">Number of idle asynchronous I/O resources.</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="EN-US_TOPIC_0000001936040562__section131511822172712"><h4 class="sectiontitle">Example</h4><div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001936040562__screen1418115122911"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal"> 1</span>
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<span class="normal">46</span></pre></div></td><td class="code"><div><pre><span></span><span class="n">postgres</span><span class="o">=#</span><span class="w"> </span><span class="k">select</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="k">from</span><span class="w"> </span><span class="n">PGXC_AIO_RESOURCE_POOL_STATS</span><span class="p">;</span>
<span class="w"> </span><span class="n">node_name</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">resource_name</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">busy_num</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">idle_num</span>
<span class="c1">--------------+---------------------------------------------------------+----------+----------</span>
<span class="w"> </span><span class="n">cn_5001</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">ASYNC_CONTEXT_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">1</span>
<span class="w"> </span><span class="n">cn_5001</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">DISK_CACHE_CACHE_BLOCK_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">cn_5001</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">DISK_CACHE_PATH_MANAGER_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">24</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">cn_5001</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">FUTURE_STATE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">2</span>
<span class="w"> </span><span class="n">cn_5001</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">FUTURE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">1</span>
<span class="w"> </span><span class="n">cn_5001</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_GET_IO_SCHEDULER_PERIODIC_STATS_SYSTEM_MESSAGE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">cn_5001</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_IO_REQUEST_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">1</span>
<span class="w"> </span><span class="n">cn_5001</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_IO_STATS_SYSTEM_MESSAGE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">cn_5001</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_MANAGE_PRIORITY_SYSTEM_MESSAGE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">cn_5001</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_SYSTEM_MESSAGE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">cn_5001</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_VFILE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">cn_5001</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">READ_SEGMENT_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">cn_5001</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">SHARED_OBS_HANDLE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">cn_5001</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">SHARED_VAR_AUTO_GUARD_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">dn_6001_6002</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">ASYNC_CONTEXT_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">1</span>
<span class="w"> </span><span class="n">dn_6001_6002</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">DISK_CACHE_CACHE_BLOCK_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">719</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">dn_6001_6002</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">DISK_CACHE_PATH_MANAGER_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">25</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">1</span>
<span class="w"> </span><span class="n">dn_6001_6002</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">FUTURE_STATE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">719</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">2</span>
<span class="w"> </span><span class="n">dn_6001_6002</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">FUTURE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">39</span>
<span class="w"> </span><span class="n">dn_6001_6002</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_GET_IO_SCHEDULER_PERIODIC_STATS_SYSTEM_MESSAGE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">dn_6001_6002</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_IO_REQUEST_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">3</span>
<span class="w"> </span><span class="n">dn_6001_6002</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_IO_STATS_SYSTEM_MESSAGE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">dn_6001_6002</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_MANAGE_PRIORITY_SYSTEM_MESSAGE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">dn_6001_6002</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_SYSTEM_MESSAGE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">dn_6001_6002</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_VFILE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">16</span>
<span class="w"> </span><span class="n">dn_6001_6002</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">READ_SEGMENT_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">2</span>
<span class="w"> </span><span class="n">dn_6001_6002</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">SHARED_OBS_HANDLE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">1</span>
<span class="w"> </span><span class="n">dn_6001_6002</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">SHARED_VAR_AUTO_GUARD_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">1</span>
<span class="w"> </span><span class="n">dn_6003_6004</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">ASYNC_CONTEXT_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">1</span>
<span class="w"> </span><span class="n">dn_6003_6004</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">DISK_CACHE_CACHE_BLOCK_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">715</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">dn_6003_6004</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">DISK_CACHE_PATH_MANAGER_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">25</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">1</span>
<span class="w"> </span><span class="n">dn_6003_6004</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">FUTURE_STATE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">715</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">2</span>
<span class="w"> </span><span class="n">dn_6003_6004</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">FUTURE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">39</span>
<span class="w"> </span><span class="n">dn_6003_6004</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_GET_IO_SCHEDULER_PERIODIC_STATS_SYSTEM_MESSAGE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">dn_6003_6004</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_IO_REQUEST_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">3</span>
<span class="w"> </span><span class="n">dn_6003_6004</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_IO_STATS_SYSTEM_MESSAGE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">dn_6003_6004</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_MANAGE_PRIORITY_SYSTEM_MESSAGE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">dn_6003_6004</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_SYSTEM_MESSAGE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span>
<span class="w"> </span><span class="n">dn_6003_6004</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">OBS_VFILE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">16</span>
<span class="w"> </span><span class="n">dn_6003_6004</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">READ_SEGMENT_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">2</span>
<span class="w"> </span><span class="n">dn_6003_6004</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">SHARED_OBS_HANDLE_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">1</span>
<span class="w"> </span><span class="n">dn_6003_6004</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">SHARED_VAR_AUTO_GUARD_TYPE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="mi">1</span>
<span class="p">(</span><span class="mi">42</span><span class="w"> </span><span class="k">rows</span><span class="p">)</span>
</pre></div></td></tr></table></div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_04_0639.html">System Views</a></div>
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