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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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2
src/backend/utils/misc/guc_parameters.dat
View File

@@ -566,7 +566,7 @@
{ name => 'log_lock_waits', type => 'bool', context => 'PGC_SUSET', group => 'LOGGING_WHAT',
short_desc => 'Logs long lock waits.',
variable => 'log_lock_waits',
boot_val => 'false',
boot_val => 'true',
},
{ name => 'log_lock_failures', type => 'bool', context => 'PGC_SUSET', group => 'LOGGING_WHAT',

2
src/backend/utils/misc/postgresql.conf.sample
View File

@@ -624,7 +624,7 @@
# processes
# %% = '%'
# e.g. '<%u%%%d> '
#log_lock_waits = off # log lock waits >= deadlock_timeout
#log_lock_waits = on # log lock waits >= deadlock_timeout
#log_lock_failures = off # log lock failures
#log_recovery_conflict_waits = off # log standby recovery conflict waits
# >= deadlock_timeout