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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>
95 lines
7.2 KiB
HTML
95 lines
7.2 KiB
HTML
<a name="EN-US_TOPIC_0000001188482298"></a><a name="EN-US_TOPIC_0000001188482298"></a>
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<h1 class="topictitle1">GS_ROW_TABLE_IO_STAT</h1>
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<div id="body0000001148360972"><p id="EN-US_TOPIC_0000001188482298__p1651818717395"><strong id="EN-US_TOPIC_0000001188482298__b1794520556457">GS_ROW_TABLE_IO_STAT</strong> displays the I/O of all row-store tables of the database on the current node. The value of each statistical column is the accumulated value since the instance was started.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001188482298__table5381771391" frame="border" border="1" rules="all"><caption><b>Table 1 </b>GS_ROW_TABLE_IO_STAT columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001188482298__row151814715394"><th align="left" class="cellrowborder" valign="top" width="23.23%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0000001188482298__p2518771394">Name</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="19.189999999999998%" id="mcps1.3.2.2.4.1.2"><p id="EN-US_TOPIC_0000001188482298__p185182713914">Type</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="57.58%" id="mcps1.3.2.2.4.1.3"><p id="EN-US_TOPIC_0000001188482298__p1251920783914">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_0000001188482298__row15193763911"><td class="cellrowborder" valign="top" width="23.23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482298__p155197773910">schemaname</p>
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</td>
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<td class="cellrowborder" valign="top" width="19.189999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482298__p1151977153910">name</p>
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</td>
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<td class="cellrowborder" valign="top" width="57.58%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482298__p125194720392">Namespace of a table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482298__row1151914718397"><td class="cellrowborder" valign="top" width="23.23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482298__p251910793920">relname</p>
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</td>
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<td class="cellrowborder" valign="top" width="19.189999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482298__p175195783914">name</p>
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</td>
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<td class="cellrowborder" valign="top" width="57.58%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482298__p11519277392">Table name</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482298__row851917793920"><td class="cellrowborder" valign="top" width="23.23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482298__p6519974392">heap_read</p>
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</td>
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<td class="cellrowborder" valign="top" width="19.189999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482298__p3519127103910">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="57.58%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482298__p451911712397">Number of blocks logically read in the heap</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482298__row2519579393"><td class="cellrowborder" valign="top" width="23.23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482298__p185208713392">heap_hit</p>
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</td>
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<td class="cellrowborder" valign="top" width="19.189999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482298__p11520177133918">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="57.58%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482298__p2520137133913">Number of block hits in the heap</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482298__row55201771398"><td class="cellrowborder" valign="top" width="23.23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482298__p25207783913">idx_read</p>
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</td>
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<td class="cellrowborder" valign="top" width="19.189999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482298__p175208733916">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="57.58%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482298__p115203715396">Number of blocks logically read in the index</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482298__row452120712394"><td class="cellrowborder" valign="top" width="23.23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482298__p35217713916">idx_hit</p>
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</td>
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<td class="cellrowborder" valign="top" width="19.189999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482298__p1752115717392">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="57.58%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482298__p252118716399">Number of block hits in the index</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482298__row10521777399"><td class="cellrowborder" valign="top" width="23.23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482298__p17521375394">toast_read</p>
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</td>
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<td class="cellrowborder" valign="top" width="19.189999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482298__p17522572394">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="57.58%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482298__p195227793911">Number of blocks logically read in the <strong id="EN-US_TOPIC_0000001188482298__b52561517194713">TOAST</strong> table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482298__row1522274395"><td class="cellrowborder" valign="top" width="23.23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482298__p195229719396">toast_hit</p>
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</td>
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<td class="cellrowborder" valign="top" width="19.189999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482298__p20522579390">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="57.58%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482298__p45223717393">Number of block hits in the <strong id="EN-US_TOPIC_0000001188482298__b710035916474">TOAST</strong> table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482298__row25221377396"><td class="cellrowborder" valign="top" width="23.23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482298__p75231793916">tidx_read</p>
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</td>
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<td class="cellrowborder" valign="top" width="19.189999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482298__p145239763911">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="57.58%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482298__p1752310743910">Number of indexes logically read in the <strong id="EN-US_TOPIC_0000001188482298__b1397016517487">TOAST</strong> table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001188482298__row3523770398"><td class="cellrowborder" valign="top" width="23.23%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001188482298__p165235703915">tidx_hit</p>
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</td>
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<td class="cellrowborder" valign="top" width="19.189999999999998%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001188482298__p11523107123910">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="57.58%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001188482298__p105231572399">Number of index hits in the <strong id="EN-US_TOPIC_0000001188482298__b1743923184820">TOAST</strong> 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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<p id="EN-US_TOPIC_0000001188482298__p8060118"></p>
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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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