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doc: Update track_io_timing documentation to mention pg_stat_io.

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The I/O timing information collected when track_io_timing is
enabled is now documented to appear in the pg_stat_io view,
which was previously not mentioned.

This commit also enhances the description of track_io_timing
to clarify that it monitors not only block read and write
but also block extend and fsync operations. Additionally,
the description of track_wal_io_timing has been improved
to mention both WAL write and WAL fsync monitoring.

Backpatch to v16 where pg_stat_io was added.

Author: Hajime Matsunaga
Reviewed-by: Melanie Plageman, Nazir Bilal Yavuz, Fujii Masao
Discussion: https://postgr.es/m/TYWPR01MB10742EE4A6F34C33061429D38A4D52@TYWPR01MB10742.jpnprd01.prod.outlook.com
This commit is contained in:
Fujii Masao
2024-07-10 15:56:07 +09:00
parent d898665bf7
commit 05506510de
2 changed files with 5 additions and 3 deletions
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doc/src/sgml/monitoring.sgml
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@@ -180,12 +180,12 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
<para>
The parameter <xref linkend="guc-track-io-timing"/> enables monitoring
of block read and write times.
of block read, write, extend, and fsync times.
</para>
<para>
The parameter <xref linkend="guc-track-wal-io-timing"/> enables monitoring
of WAL write times.
of WAL write and fsync times.
</para>
<para>