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doc-exports/docs/dws/dev/dws_04_0705.html
Lu, Huayi a24ca60074 DWS DEVELOPER 811 version 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2023-01-19 13:37:49 +00:00

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<a name="EN-US_TOPIC_0000001099134622"></a><a name="EN-US_TOPIC_0000001099134622"></a>
<h1 class="topictitle1">GS_WLM_SESSION_HISTORY</h1>
<div id="body8662426"><p id="EN-US_TOPIC_0000001099134622__ad3f680f8bccf48828a7e1dcb377e6833"><strong id="EN-US_TOPIC_0000001099134622__en-us_topic_0058965665_b842352706152719">GS_WLM_SESSION_HISTORY</strong> displays load management information about a completed job executed by the current user on the current CN. This view is used by Database Manager to query data from <span id="EN-US_TOPIC_0000001099134622__text1123370544">GaussDB(DWS)</span>. Data in the <span id="EN-US_TOPIC_0000001099134622__text1644126593">GaussDB(DWS)</span> is cleared every 3 minutes. </p>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000001099134622__tb435fec1dc744bb3872aab277c2a87d8"></a><a name="tb435fec1dc744bb3872aab277c2a87d8"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001099134622__tb435fec1dc744bb3872aab277c2a87d8" frame="border" border="1" rules="all"><caption><b>Table 1 </b>GS_WLM_SESSION_HISTORY columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001099134622__rb2618a6ee2cf42fd84594f99dc5163a6"><th align="left" class="cellrowborder" valign="top" width="21.782178217821784%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0000001099134622__af6d6f889d09c4bbc83f5cdc4ca2e446d">Name</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="18.81188118811881%" id="mcps1.3.2.2.4.1.2"><p id="EN-US_TOPIC_0000001099134622__a520753062fd84b56b345fd11568a4c23">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="59.4059405940594%" id="mcps1.3.2.2.4.1.3"><p id="EN-US_TOPIC_0000001099134622__aa4223d4b95904277a4d79610e87bff01">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001099134622__reaa7a104dfb64224bff9ca8a8579dba6"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p6601473915">datid</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p36013463914">oid</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p16084113913">OID of the database this backend is connected to</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__rcbbfc990548d4acaa1d92694b91531ed"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p12609418397">dbname</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p3606417399">text</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__a841134a52c9b4bed993cacbdff41698b">Name of the database the backend is connected to</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__rd1a60adc086640d4857982d31e58ddba"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p560348390">schemaname</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p10605483915">text</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p6601744397">Schema name</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__rd7bdcb22f203411a92bc8fee1f2d0a42"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p17602418392">nodename</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__a09c81250f5fd4a3092f01c10d3377bea">text</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p146015473916">Name of the CN where the statement is run</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__rb7e8f9eb34894c6fb8a868c2d76d5570"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p15601141394">username</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p156034123911">text</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p1860649397">User name used for connecting to the backend</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r3284e82f83634f69a8718863c0e6fba7"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p26019419397">application_name</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p15601246399">text</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p7626415391">Name of the application that is connected to the backend</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r0065434869f444a4b98601015df17b99"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p116216453913">client_addr</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p166219413396">inet</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p11628410399">IP address of the client connected to this backend. If this column is null, it indicates either that the client is connected via a Unix socket on the server machine or that this is an internal process such as autovacuum.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__ra44f7df21745490095de793a0004ff04"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__a222709e1834a465783cc443c6c2ef0d5">client_hostname</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p562174113919">text</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p262643393">Host name of the connected client, as reported by a reverse DNS lookup of <strong id="EN-US_TOPIC_0000001099134622__b842352706142331">client_addr</strong>. This column will only be non-null for IP connections, and only when <strong id="EN-US_TOPIC_0000001099134622__b842352706142349">log_hostname</strong> is enabled.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r323c029b2261487a95670406e600c27c"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p146254113911">client_port</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__ac2f69fd2f8d34dc49e3a5d5a3599fc7f">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p86216411395">TCP port number that the client uses for communication with this backend, or <strong id="EN-US_TOPIC_0000001099134622__b842352706203112">-1</strong> if a Unix socket is used</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__rb968d81f744d4f37b9d24cae91fbf5bd"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p9621544396">query_band</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p136210419393">text</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p106213410394">Job type, which is specified by the <strong id="EN-US_TOPIC_0000001099134622__b75014019497">query_band </strong>parameter. The default value is a null string.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r5bcf99ffc6c04f2ea6717c277ed94019"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p116218463915">block_time</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__a4c028966a7ed41c7ad9d8ceffd9e8fc7">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__p1562813408418">Duration that a statement is blocked before being executed, including the statement parsing and optimization duration. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r70ac9b75f9774aef9ed63a6eb0f61044"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p4621749395">start_time</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__a14945b86c07a4f46b794d2011157ce1e">timestamp with time zone</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p10629483918">Time when the statement starts to be run</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__rabc8aa9fcf0c47f6ade0c54e127bab3b"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p19628493917">finish_time</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p183487172297">timestamp with time zone</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__a2ca725dd9a1544789401c7e484439d2e">Time when the statement execution ends</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r084f783f2ca74a1ea13a8e94ac07fe90"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p2629433911">duration</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p162104133913">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__a215ec1233c40438684e8ab75d9d44928">Execution time of a statement. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__rc237d7cb3a724494b31f647ebb4f4bf9"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p11621417398">estimate_total_time</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p15629416394">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p762147398">Estimated execution time of a statement. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__rf6096d1af07647aaa2309223a955aa17"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p46211417392">status</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p11620412392">text</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p13627420397">Final statement execution status. Its value can be <strong id="EN-US_TOPIC_0000001099134622__b13715635112">finished</strong> (normal) or <strong id="EN-US_TOPIC_0000001099134622__b1432412219511">aborted</strong> (abnormal).</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__rb312d31f86fc461787bf9ff4efc349c5"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p106214410393">abort_info</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p146218415395">text</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__ada6a47c65a5048668dbe8c942bc30695">Exception information displayed if the final statement execution status is <strong id="EN-US_TOPIC_0000001099134622__b1865691635210">aborted</strong>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__re8d3f1f411a04507bc23b31620dbd3b6"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p5629433913">resource_pool</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p106219420393">text</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p146210416394">Resource pool used by the user</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r73066883ab8b4e3e8f1a152ba1abe8b2"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p96414417397">control_group</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p106415413910">text</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p206412414397">Cgroup used by the statement</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r0d6fb787f6674b408e0badf43c1226c7"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p126417433914">min_peak_memory</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p96412416392">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p164114133911">Minimum memory peak of a statement across all DNs. The unit is MB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r68a063ef9c214a45b8266216e0a7475a"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__a728169751e124ded92265dfeda5d92b6">max_peak_memory</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p156413433912">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p7641443915">Maximum memory peak of a statement across all DNs. The unit is MB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r62faa99f3b3f43e6a9e0829204cbba70"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p18641942392">average_peak_memory</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p8646433911">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p15644433913">Average memory usage during statement execution. The unit is MB.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r0bf75f6e9a33458da012011250348f92"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p56418413398">memory_skew_percent</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p186418411391">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p6641641390">Memory usage skew of a statement among DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__rfdb34afd6d4a4bdf935c14295cad55ba"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p146412415396">spill_info</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p4645493920">text</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p166414433910">Statement spill information on all DNs.</p>
<p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p6641547398"><strong id="EN-US_TOPIC_0000001099134622__b842352706145131">None</strong> indicates that the statement has not been flushed to disks on any DNs.</p>
<p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p864246393"><strong id="EN-US_TOPIC_0000001099134622__b84235270614533">All</strong> indicates that the statement has been flushed to disks on every DN.</p>
<p id="EN-US_TOPIC_0000001099134622__a2ba4575d96b34f15895c5b5f3d0a980e"><strong id="EN-US_TOPIC_0000001099134622__b842352706145438">[</strong><em id="EN-US_TOPIC_0000001099134622__i842352697145434">a</em><strong id="EN-US_TOPIC_0000001099134622__b842352706145437">:</strong><em id="EN-US_TOPIC_0000001099134622__i842352697145432">b</em><strong id="EN-US_TOPIC_0000001099134622__b842352706145441">]</strong> indicates that the statement has been flushed to disks on <em id="EN-US_TOPIC_0000001099134622__i842352697145515">a</em> of <em id="EN-US_TOPIC_0000001099134622__i84235269714557">b</em> DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r63dc662b269642b3a164258864b25cd0"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p06415419392">min_spill_size</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__a764ff2daa3ab4e428f6a1ca1e9a76382">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0111176227_p752071475115">Minimum spilled data among all DNs when a spill occurs. The unit is MB. The default value is <strong id="EN-US_TOPIC_0000001099134622__b4248991509735">0</strong>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r0ff56835dfb046d58c3d9cab01d3081f"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p1564541398">max_spill_size</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p126412443912">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__a116d664db7be4affa6dbf8ca1d6273d8">Maximum spilled data among all DNs when a spill occurs. The unit is MB. The default value is <strong id="EN-US_TOPIC_0000001099134622__b17400838769735">0</strong>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r3777ba9bee924450be5469db898a735c"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p15641413399">average_spill_size</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p20641949398">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__a942f96de512e43a98957ff5ed9f9aa56">Average spilled data among all DNs when a spill occurs. The unit is MB. The default value is <strong id="EN-US_TOPIC_0000001099134622__b14058660759735">0</strong>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r822cbcb62709400c82bdf0d306ec3a98"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__af7e3b173281943a086cac4ecf71f6f3e">spill_skew_percent</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p9648493918">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p56411418394">DN spill skew when a spill occurs</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r1ccfad5fdaca4928b344dd4c5c22d641"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p186694153912">min_dn_time</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p86684103910">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p96612433918">Minimum execution time of a statement across all DNs. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__rd3dcbb8a01ee4cac896822ffb18bbce3"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p16661443392">max_dn_time</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p366114193918">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p166610410391">Maximum execution time of a statement across all DNs. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r6ca4e508f471477c8fc62464c08068ed"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p146612412392">average_dn_time</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p1766949395">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p766114173911">Average execution time of a statement across all DNs. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__rae50e5c0171948d2ab9932c8a1fc4199"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p186619414398">dntime_skew_percent</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p166616433915">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p15661641394">Execution time skew of a statement among DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__rba6a34e1e96046ce993f1080697e22ec"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p76618419395">min_cpu_time</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p5666403919">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p196694133917">Minimum CPU time of a statement across all DNs. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__rf7db7288aa6a40f4b85623503b1c7a85"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p20661413399">max_cpu_time</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p96644143916">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p13661948399">Maximum CPU time of a statement across all DNs. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__rfe83fa4b7a3a424abd29290ad012d8dc"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p176613483914">total_cpu_time</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p66624193917">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p9660419393">Total CPU time of a statement across all DNs. The unit is ms.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__rc70ae70bd269448b8ada6cda9e9e8dba"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p17661453919">cpu_skew_percent</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p2667415395">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p8668413919">CPU time skew of a statement among DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__row19498105011260"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__p1880915202270">min_peak_iops</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__p1480919206276">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__p1380982018278">Minimum IOPS peak of a statement across all DNs. It is counted by ones in a column-store table and by ten thousands in a row-store table.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__row19149101072913"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__p1912116233291">max_peak_iops</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__p9121123172913">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__p191238239292">Maximum IOPS peak of a statement across all DNs. It is counted by ones in a column-store table and by ten thousands in a row-store table.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__row4897202782912"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__p36526352291">average_peak_iops</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__p13652103519299">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__p1652113517293">Average IOPS peak of a statement across all DNs. It is counted by ones in a column-store table and by ten thousands in a row-store table.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__row15463154013294"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__p1557874882911">iops_skew_percent</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__p1757874892918">integer</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__p16578184872911">I/O skew across DNs.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r3e6892426cd6445d91a26149a28a0885"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__a6640c196bc5345cebbf50314f7c48bb0">warning</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p76724153911">text</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__a5d902eea534241cc88530e6d82df1f08">Warning. The following warnings and warnings related to SQL self-diagnosis tuning are displayed:</p>
<ol id="EN-US_TOPIC_0000001099134622__ol4915858122411"><li id="EN-US_TOPIC_0000001099134622__li19153584249">Spill file size large than 256MB</li><li id="EN-US_TOPIC_0000001099134622__li16915158102413">Broadcast size large than 100MB</li><li id="EN-US_TOPIC_0000001099134622__li159151458102417">Early spill</li><li id="EN-US_TOPIC_0000001099134622__li20915125862416">Spill times is greater than 3</li><li id="EN-US_TOPIC_0000001099134622__li11915115813249">Spill on memory adaptive</li><li id="EN-US_TOPIC_0000001099134622__li109151758112418">Hash table conflict</li></ol>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__re56ed437bf3d4d4c8735a6cb76fe416c"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p46720416397">queryid</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p8674453918">bigint</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p5671843393">Internal query ID used for statement execution</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_row0152846395"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p1667749393">query</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p367545392">text</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p867114173913">Statement executed</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__r80d2fd3a25b049e5ac166506e69a40ab"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p1767841391">query_plan</p>
</td>
<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p3671242399">text</p>
</td>
<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__en-us_topic_0112535431_p196818412396">Execution plan of a statement</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001099134622__row115501321134518"><td class="cellrowborder" valign="top" width="21.782178217821784%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001099134622__p20550152119453">node_group</p>
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<td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001099134622__p2550122184511">text</p>
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<td class="cellrowborder" valign="top" width="59.4059405940594%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001099134622__p4550152115450">Logical cluster of the user running the statement</p>
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<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_04_0639.html">System Views</a></div>
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