forked from docs/doc-exports
Lu, Huayi
e6fa411af0
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>
52 lines
4.2 KiB
HTML
52 lines
4.2 KiB
HTML
<a name="EN-US_TOPIC_0000001188642040"></a><a name="EN-US_TOPIC_0000001188642040"></a>
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<h1 class="topictitle1">PV_SESSION_MEMORY</h1>
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<div id="body8662426"><p id="EN-US_TOPIC_0000001188642040__en-us_topic_0059778767_p697016521071"><strong id="EN-US_TOPIC_0000001188642040__b1010151310517">PV_SESSION_MEMORY</strong> displays statistics about memory usage at the session level in the unit of MB, including all the memory allocated to Postgres and Stream threads on DNs for jobs currently executed by users.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001188642040__t8723035b52364e1f8233717d90d9e362" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PV_SESSION_MEMORY columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001188642040__rb532f03e2b014b8baf2bf91ed44486f3"><th align="left" class="cellrowborder" valign="top" width="20.65%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0000001188642040__a4130bb5d8645458688542263deac7428"><strong id="EN-US_TOPIC_0000001188642040__b84235270691445">Name</strong></p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="10.68%" id="mcps1.3.2.2.4.1.2"><p id="EN-US_TOPIC_0000001188642040__aedba7fb53563418484ab67204649e05f">Type</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="68.67%" id="mcps1.3.2.2.4.1.3"><p id="EN-US_TOPIC_0000001188642040__ac263b8ae1eac4ae6aeb8c84d6e49ef49">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="EN-US_TOPIC_0000001188642040__r488f37d4bd9740eeadac349a692f27a5"><td class="cellrowborder" valign="top" width="20.65%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188642040__a87f613de1f1b4e7291d3f2cede832183">sessid</p>
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</td>
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<td class="cellrowborder" valign="top" width="10.68%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188642040__a1687b21274194009bf36da7355919489">text</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.67%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188642040__a8550168ec4a547c88c723681bcfd5332">Thread start time and ID</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188642040__r0b15b165693046748607f414530e103c"><td class="cellrowborder" valign="top" width="20.65%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188642040__a468ae5769064461894c14652bd04658e">init_mem</p>
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</td>
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<td class="cellrowborder" valign="top" width="10.68%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188642040__a7599fab003be499383347a802b1aa9b7">integer</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.67%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188642040__a3d24750447b64e2295272693a1f8a691">Memory allocated to the currently executed task before the task enters the executor, in MB</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188642040__rf4dc59f8760f4dc68ce9785210f31cec"><td class="cellrowborder" valign="top" width="20.65%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188642040__a90027da0bf294e4298d289b3b5c9b8ba">used_mem</p>
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</td>
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<td class="cellrowborder" valign="top" width="10.68%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188642040__a3889c6e5010a48e08d181bb81b5a3d98">integer</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.67%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188642040__aebe10ccaf2ff42eb80a648252fa48013">Memory allocated to the currently executed task, in MB</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188642040__r678776c26b1a49fba57fec33c8002898"><td class="cellrowborder" valign="top" width="20.65%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188642040__a2b22405643984bf4a80fee3debb9f55d">peak_mem</p>
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</td>
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<td class="cellrowborder" valign="top" width="10.68%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188642040__a510099a0a63540ba96e4ca178cd2acb5">integer</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.67%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188642040__ab60e3cd25b6b4c33b9912d8a49c43d9a">Peak memory allocated to the currently executed task, in MB</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div>
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<div class="familylinks">
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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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</div>
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</div>
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