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Add log_min_autovacuum_duration per-table option

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This is useful to control autovacuum log volume, for situations where
monitoring only a set of tables is necessary.

Author: Michael Paquier
Reviewed by: A team led by Naoya Anzai (also including Akira Kurosawa,
Taiki Kondo, Huong Dangminh), Fujii Masao.
This commit is contained in:
Alvaro Herrera
2015-04-03 11:55:50 -03:00
parent a75fb9b335
commit 4ff695b17d
9 changed files with 63 additions and 24 deletions
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8
src/backend/commands/vacuumlazy.c
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@@ -196,7 +196,7 @@ lazy_vacuum_rel(Relation onerel, int options, VacuumParams *params,
Assert(params != NULL);
/* measure elapsed time iff autovacuum logging requires it */
if (IsAutoVacuumWorkerProcess() && Log_autovacuum_min_duration >= 0)
if (IsAutoVacuumWorkerProcess() && params->log_min_duration >= 0)
{
pg_rusage_init(&ru0);
starttime = GetCurrentTimestamp();
@@ -328,13 +328,13 @@ lazy_vacuum_rel(Relation onerel, int options, VacuumParams *params,
vacrelstats->new_dead_tuples);
/* and log the action if appropriate */
if (IsAutoVacuumWorkerProcess() && Log_autovacuum_min_duration >= 0)
if (IsAutoVacuumWorkerProcess() && params->log_min_duration >= 0)
{
TimestampTz endtime = GetCurrentTimestamp();
if (Log_autovacuum_min_duration == 0 ||
if (params->log_min_duration == 0 ||
TimestampDifferenceExceeds(starttime, endtime,
Log_autovacuum_min_duration))
params->log_min_duration))
{
StringInfoData buf;
TimestampDifference(starttime, endtime, &secs, &usecs);