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>
101 lines
8.6 KiB
HTML
101 lines
8.6 KiB
HTML
<a name="EN-US_TOPIC_0000001188482288"></a><a name="EN-US_TOPIC_0000001188482288"></a>
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<h1 class="topictitle1">PG_STATIO_SYS_TABLES</h1>
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<div id="body8662426"><p id="EN-US_TOPIC_0000001188482288__en-us_topic_0059777862_p117516325519"><strong id="EN-US_TOPIC_0000001188482288__b10263198673">PG_STATIO_SYS_TABLES</strong> displays the I/O status information about all the system catalogs in the namespace.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001188482288__tf134a16915de42a4a14648600c76f055" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PG_STATIO_SYS_TABLES columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001188482288__r9cfd505bcf524f398250c5543acd0e84"><th align="left" class="cellrowborder" valign="top" width="25.85%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0000001188482288__a5b4f2171ee6b493394027675d474bd98"><strong id="EN-US_TOPIC_0000001188482288__b84235270691445">Name</strong></p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="22.09%" id="mcps1.3.2.2.4.1.2"><p id="EN-US_TOPIC_0000001188482288__a8b49c02b56844a41a434703ff784e322">Type</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="52.059999999999995%" id="mcps1.3.2.2.4.1.3"><p id="EN-US_TOPIC_0000001188482288__a88fadd81e1ac46d288b1bf59d0abc871">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_0000001188482288__re8d70785056d4e43afe45deb3135c131"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482288__af56520535c1440e99afaa426f5621510">relid</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482288__a8a1b20730c43490abc79662b9cc9b5d1">oid</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482288__a42f1cbcf53ae460abe5d1e82ff1bb880">Table OID</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482288__rec841cf8e54a40da850ff3f87ca79065"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482288__ae8218b7bb983484fb52a745b22c7d5ba">schemaname</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482288__a0f23338d61c44c2f846511d249740a3c">name</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482288__a1df1cc8ef8ea4aa9a377032d60b04208">Schema name of the table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482288__rac3bcad0da264c12b907e066ac29eb1c"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482288__ada044c5c5d1f4982a5f02d86ad168a4c">relname</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482288__a5dd8699feaca458d91ca0d62cfd3cad9">name</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482288__ab117079720e842529118f5709dc5efa2">Name of a table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482288__r519292de4c774b8394316843e3d9d90b"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482288__ab9cba5df6901454aad6c4646c13008f3">heap_blks_read</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482288__a87d64ae922874f33913700558b833bae">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482288__a1204922305f34c63a24f80b4c62f5324">Number of disk blocks read from this table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482288__rdc130001b2c24b19835ed1f11d624102"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482288__a288bcd72aad048edb955558962831276">heap_blks_hit</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482288__a15b5f0a5f9b148d9896e6e8acbd23f1c">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482288__a2352e225c96543749db9aaccf9692c62">Number of buffer hits in this table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482288__rd053c3b12eb34d428e54779399fead2a"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482288__a7789582a0efe457c824f783a6ebb83d5">idx_blks_read</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482288__abb4cbbea27f645418ff80003d147e4f8">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482288__aa206b0c597154e28ad045e72dd1cfb2f">Number of disk blocks read from the index in this table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482288__r6bb5d23d9e514ff093433e2151eb74b2"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482288__a57876a1ccc134adaae1c4929544f55a6">idx_blks_hit</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482288__a0d1f24f3993d4918ab36eb2bc001d2df">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482288__ab91d4e293b174850896e1eee0a952f02">Number of buffer hits in all indexes on this table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482288__rd6a2c695f0554da38f3a0f7a4208dfd2"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482288__a49e3c26bad2a423f8a8d1f7bd563cd86">toast_blks_read</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482288__a7eb2ff92943b45bf904f8ba024abfa33">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482288__a5b8218c391d449f7a6b5a04b93b54ad3">Number of disk blocks read from the TOAST table (if any) in this table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482288__r32debcd9b22e416ca05ba907e3a43ab1"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482288__abf0e97ad6ef248f28b721d6ae11a244c">toast_blks_hit</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482288__af1c97834c10b4990a14042c17f927cde">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482288__aed91ff5a25f94920a974f5998d67ac91">Number of buffer hits in the TOAST table (if any) in this table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482288__r4ea46659687744eab40142562a19e160"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482288__aed14fce9130e4464b9ba21d156b8138b">tidx_blks_read</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482288__a941ef8983eef4f148f954fd06c76ce57">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482288__ae58a1e41b63040ba874245306e035110">Number of disk blocks read from the TOAST table index (if any) in this table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482288__r1edef497291b40f49982786766b12ee2"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482288__a48a7e9467aff4d148b4bf1c31f877c0c">tidx_blks_hit</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482288__af14b2b999c4943819e12476f056936f4">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482288__adefb430e196f4b69bf5bf1bd4eeb132b">Number of buffer hits in the TOAST table index (if any) in this table</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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