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Default to log_lock_waits=on

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If someone is stuck behind a lock for more than a second, that is
almost always a problem that is worth a log entry.

Author: Laurenz Albe <laurenz.albe@cybertec.at>
Reviewed-By: Michael Banck <mbanck@gmx.net>
Reviewed-By: Robert Haas <robertmhaas@gmail.com>
Reviewed-By: Christoph Berg <myon@debian.org>
Reviewed-By: Stephen Frost <sfrost@snowman.net>
Discussion: https://postgr.es/m/b8b8502915e50f44deb111bc0b43a99e2733e117.camel%40cybertec.at
This commit is contained in:
Peter Eisentraut
2025-09-12 07:57:06 +02:00
parent 25f36066dd
commit 2aac62be8c
4 changed files with 4 additions and 4 deletions
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doc/src/sgml/config.sgml
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@@ -7929,7 +7929,7 @@ log_line_prefix = '%m [%p] %q%u@%d/%a '
Controls whether a log message is produced when a session waits
longer than <xref linkend="guc-deadlock-timeout"/> to acquire a
lock. This is useful in determining if lock waits are causing
poor performance. The default is <literal>off</literal>.
poor performance. The default is <literal>on</literal>.
Only superusers and users with the appropriate <literal>SET</literal>
privilege can change this setting.
</para>