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Add log_autoanalyze_min_duration

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The log output functionality of log_autovacuum_min_duration applies to
both VACUUM and ANALYZE, so it is not possible to separate the VACUUM
and ANALYZE log output thresholds. Logs are likely to be output only for
VACUUM and not for ANALYZE.

Therefore, we decided to separate the threshold for log output of VACUUM
by autovacuum (log_autovacuum_min_duration) and the threshold for log
output of ANALYZE by autovacuum (log_autoanalyze_min_duration).

Author: Shinya Kato <shinya11.kato@gmail.com>
Reviewed-by: Kasahara Tatsuhito <kasaharatt@oss.nttdata.com>
Discussion: https://www.postgresql.org/message-id/flat/CAOzEurQtfV4MxJiWT-XDnimEeZAY+rgzVSLe8YsyEKhZcajzSA@mail.gmail.com
This commit is contained in:
Peter Eisentraut
2025-10-15 14:31:12 +02:00
parent 12609fbacb
commit dd3ae37830
16 changed files with 122 additions and 31 deletions
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14
src/backend/utils/misc/guc_parameters.dat
View File

@@ -1771,8 +1771,8 @@
},
{ name => 'log_autovacuum_min_duration', type => 'int', context => 'PGC_SIGHUP', group => 'LOGGING_WHAT',
short_desc => 'Sets the minimum execution time above which autovacuum actions will be logged.',
long_desc => '-1 disables logging autovacuum actions. 0 means log all autovacuum actions.',
short_desc => 'Sets the minimum execution time above which vacuum actions by autovacuum will be logged.',
long_desc => '-1 disables logging vacuum actions by autovacuum. 0 means log all vacuum actions by autovacuum.',
flags => 'GUC_UNIT_MS',
variable => 'Log_autovacuum_min_duration',
boot_val => '600000',
@@ -1780,6 +1780,16 @@
max => 'INT_MAX',
},
{ name => 'log_autoanalyze_min_duration', type => 'int', context => 'PGC_SIGHUP', group => 'LOGGING_WHAT',
short_desc => 'Sets the minimum execution time above which analyze actions by autovacuum will be logged.',
long_desc => '-1 disables logging analyze actions by autovacuum. 0 means log all analyze actions by autovacuum.',
flags => 'GUC_UNIT_MS',
variable => 'Log_autoanalyze_min_duration',
boot_val => '600000',
min => '-1',
max => 'INT_MAX',
},
{ name => 'log_parameter_max_length', type => 'int', context => 'PGC_SUSET', group => 'LOGGING_WHAT',
short_desc => 'Sets the maximum length in bytes of data logged for bind parameter values when logging statements.',
long_desc => '-1 means log values in full.',

7
src/backend/utils/misc/postgresql.conf.sample
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@@ -588,7 +588,12 @@
#debug_print_rewritten = off
#debug_print_plan = off
#debug_pretty_print = on
#log_autovacuum_min_duration = 10min # log autovacuum activity;
#log_autovacuum_min_duration = 10min # log vacuum activity by autovacuum;
# -1 disables, 0 logs all actions and
# their durations, > 0 logs only
# actions running at least this number
# of milliseconds.
#log_autoanalyze_min_duration = 10min # log analyze activity by autovacuum;
# -1 disables, 0 logs all actions and
# their durations, > 0 logs only
# actions running at least this number