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Commit488ace3

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doc: Add description of some missing monitoring functions
This commit adds some documentation about two monitoring functions:- pg_stat_get_xact_blocks_fetched()- pg_stat_get_xact_blocks_hit()The description of these functions has been removed inddfc2d9, latersimplified by5f2b089, assuming that all the functions whosedescriptions were removed are used in system views. Unfortunately, someof them were are not used in any system views, so they lackeddocumentation.This gap exists in the docs for a long time, so backpatch all the waydown.Reported-by: Michael PaquierAuthor: Bertrand DrouvotReviewed-by: Kyotaro HoriguchiDiscussion:https://postgr.es/m/ZBeeH5UoNkTPrwHO@paquier.xyzBackpatch-through: 11
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‎doc/src/sgml/monitoring.sgml

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@@ -3291,6 +3291,24 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i
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Discard the current statistics snapshot
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</entry>
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</row>
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<row>
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<entry><literal><function>pg_stat_get_xact_blocks_fetched</function>(oid)</literal><indexterm><primary>pg_stat_get_xact_blocks_fetched</primary></indexterm></entry>
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<entry><type>bigint</type></entry>
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<entry>
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Returns the number of buffers fetched for table or index, in the current
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transaction.
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</entry>
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</row>
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<row>
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<entry><literal><function>pg_stat_get_xact_blocks_hit</function>(oid)</literal><indexterm><primary>pg_stat_get_xact_blocks_hit</primary></indexterm></entry>
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<entry><type>bigint</type></entry>
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<entry>
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Returns the number of buffer hits for table or index, in the current
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transaction.
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</entry>
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</row>
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<row>
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<entry><literal><function>pg_stat_reset()</function></literal><indexterm><primary>pg_stat_reset</primary></indexterm></entry>

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