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doc: List all the possible values of pg_stat_wal_receiver.status

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The possible values of pg_stat_wal_receiver.status have never been
documented.  Note that the status "stopped" will never show up in this
view, hence there is no need to document it.

Issue noticed while discussing a patch that aims to add a new status to
WAL receiver.

Author: Xuneng Zhou <xunengzhou@gmail.com>
Discussion: https://postgr.es/m/CABPTF7X_Jgmyk1FBVNf3tyAOKqU55LLpLMzWkGtEAb_jQWVN=g@mail.gmail.com
This commit is contained in:
Michael Paquier 2026-01-22 17:03:21 +09:00
parent 25be5e8a33
commit 1a1e733b62
1 changed files with 32 additions and 1 deletions
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33
doc/src/sgml/monitoring.sgml
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@ -1737,7 +1737,38 @@ description | Waiting for a newly initialized WAL file to reach durable storage
<structfield>status</structfield> <type>text</type>
</para>
<para>
Activity status of the WAL receiver process
Activity status of the WAL receiver process. Possible values are:
<itemizedlist>
<listitem>
<para>
<literal>restarting</literal>: WAL receiver has been asked to
restart streaming.
</para>
</listitem>
<listitem>
<para>
<literal>starting</literal>: WAL receiver process has been launched
but is not yet initialized.
</para>
</listitem>
<listitem>
<para>
<literal>stopping</literal>: WAL receiver has been requested to
stop.
</para>
</listitem>
<listitem>
<para>
<literal>streaming</literal>: WAL receiver is streaming WAL data.
</para>
</listitem>
<listitem>
<para>
<literal>waiting</literal>: WAL receiver has stopped streaming and
is waiting for new instructions from the startup process.
</para>
</listitem>
</itemizedlist>
</para></entry>
</row>