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doc: Clarify meaning of "idle" in idle_replication_slot_timeout.

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This commit updates the documentation to clarify that "idle" in
idle_replication_slot_timeout means the replication slot is inactive,
that is, not currently used by any replication connection.

Without this clarification, "idle" could be misinterpreted to mean
that the slot is not advancing or that no data is being streamed,
even if a connection exists.

Back-patch to v18 where idle_replication_slot_timeout was added.

Author: Laurenz Albe <laurenz.albe@cybertec.at>
Reviewed-by: David G. Johnston <david.g.johnston@gmail.com>
Reviewed-by: Gunnar Morling <gunnar.morling@googlemail.com>
Reviewed-by: Amit Kapila <amit.kapila16@gmail.com>
Reviewed-by: Fujii Masao <masao.fujii@gmail.com>
Discussion: https://postgr.es/m/CADGJaX_0+FTguWpNSpgVWYQP_7MhoO0D8=cp4XozSQgaZ40Odw@mail.gmail.com
Backpatch-through: 18
This commit is contained in:
Fujii Masao
2025-07-11 08:44:32 +09:00
parent 05dedf43d3
commit 110e6dcaa6
3 changed files with 8 additions and 6 deletions
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10
doc/src/sgml/config.sgml
View File

@ -4618,10 +4618,12 @@ restore_command = 'copy "C:\\server\\archivedir\\%f" "%p"' # Windows
</term>
<listitem>
<para>
Invalidate replication slots that have remained idle longer than this
duration. If this value is specified without units, it is taken as
seconds. A value of zero (the default) disables the idle timeout
invalidation mechanism. This parameter can only be set in the
Invalidate replication slots that have remained inactive (not used by
a <link linkend="protocol-replication">replication connection</link>)
for longer than this duration.
If this value is specified without units, it is taken as seconds.
A value of zero (the default) disables the idle timeout
invalidation mechanism. This parameter can only be set in the
<filename>postgresql.conf</filename> file or on the server command
line.
</para>

2
doc/src/sgml/system-views.sgml
View File

@ -3003,7 +3003,7 @@ SELECT * FROM pg_locks pl LEFT JOIN pg_prepared_xacts ppx
<listitem>
<para>
<literal>idle_timeout</literal> means that the slot has remained
idle longer than the configured
inactive longer than the configured
<xref linkend="guc-idle-replication-slot-timeout"/> duration.
</para>
</listitem>