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Improve logging of auto-vacuum and auto-analyze

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When logging auto-vacuum and auto-analyze activity, include the I/O
timing if track_io_timing is enabled.  Also, for auto-analyze, add the
read rate and the dirty rate, similar to how that information has
historically been logged for auto-vacuum.

Stephen Frost and Jakub Wartak

Reviewed-By: Heikki Linnakangas, Tomas Vondra
Discussion: https://www.postgresql.org/message-id/VI1PR0701MB69603A433348EDCF783C6ECBF6EF0%40VI1PR0701MB6960.eurprd07.prod.outlook.com
This commit is contained in:
Stephen Frost
2021-03-16 14:46:48 -04:00
parent 1ea396362b
commit 94d13d474d
3 changed files with 116 additions and 10 deletions
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8
doc/src/sgml/config.sgml
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@ -7457,9 +7457,11 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv;
I/O timing information is
displayed in <link linkend="monitoring-pg-stat-database-view">
<structname>pg_stat_database</structname></link>, in the output of
<xref linkend="sql-explain"/> when the <literal>BUFFERS</literal> option is
used, and by <xref linkend="pgstatstatements"/>. Only superusers can
change this setting.
<xref linkend="sql-explain"/> when the <literal>BUFFERS</literal> option
is used, by autovacuum for auto-vacuums and auto-analyzes, when
<xref linkend="guc-log-autovacuum-min-duration"/> is set and by
<xref linkend="pgstatstatements"/>. Only superusers can change this
setting.
</para>
</listitem>
</varlistentry>