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doc: Clarify synchronous_standby_names parameter.

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The synchronous_standby_names GUC allows specifying num_sync,
the number of synchronous standbys transactions must wait for
replies from. This value must be an integer greater than zero.
This commit updates the documentation to clarify this requirement.

Reported-by: Asphator <asphator@gmail.com>
Discussion: https://postgr.es/m/18663-b02f75cb919f1b60@postgresql.org
This commit is contained in:
Fujii Masao 2025-01-09 21:04:49 +09:00
parent 69ab446514
commit 6313a76b35
1 changed files with 2 additions and 0 deletions
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doc/src/sgml/config.sgml
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@ -4715,6 +4715,8 @@ ANY <replaceable class="parameter">num_sync</replaceable> ( <replaceable class="
wait for replies from, wait for replies from,
and <replaceable class="parameter">standby_name</replaceable> and <replaceable class="parameter">standby_name</replaceable>
is the name of a standby server. is the name of a standby server.
<replaceable class="parameter">num_sync</replaceable>
must be an integer value greater than zero.
<literal>FIRST</literal> and <literal>ANY</literal> specify the method to choose <literal>FIRST</literal> and <literal>ANY</literal> specify the method to choose
synchronous standbys from the listed servers. synchronous standbys from the listed servers.
</para> </para>