diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/access/common/reloptions.c | 11 | ||||
| -rw-r--r-- | src/backend/postmaster/autovacuum.c | 12 | ||||
| -rw-r--r-- | src/backend/utils/misc/guc_tables.c | 9 | ||||
| -rw-r--r-- | src/backend/utils/misc/postgresql.conf.sample | 3 | ||||
| -rw-r--r-- | src/bin/psql/tab-complete.in.c | 2 | ||||
| -rw-r--r-- | src/include/postmaster/autovacuum.h | 1 | ||||
| -rw-r--r-- | src/include/utils/rel.h | 1 |
7 files changed, 39 insertions, 0 deletions
diff --git a/src/backend/access/common/reloptions.c b/src/backend/access/common/reloptions.c index e587abd9990..5731cf42f54 100644 --- a/src/backend/access/common/reloptions.c +++ b/src/backend/access/common/reloptions.c @@ -233,6 +233,15 @@ static relopt_int intRelOpts[] = }, { { + "autovacuum_vacuum_max_threshold", + "Maximum number of tuple updates or deletes prior to vacuum", + RELOPT_KIND_HEAP | RELOPT_KIND_TOAST, + ShareUpdateExclusiveLock + }, + -2, -1, INT_MAX + }, + { + { "autovacuum_vacuum_insert_threshold", "Minimum number of tuple inserts prior to vacuum, or -1 to disable insert vacuums", RELOPT_KIND_HEAP | RELOPT_KIND_TOAST, @@ -1843,6 +1852,8 @@ default_reloptions(Datum reloptions, bool validate, relopt_kind kind) offsetof(StdRdOptions, autovacuum) + offsetof(AutoVacOpts, enabled)}, {"autovacuum_vacuum_threshold", RELOPT_TYPE_INT, offsetof(StdRdOptions, autovacuum) + offsetof(AutoVacOpts, vacuum_threshold)}, + {"autovacuum_vacuum_max_threshold", RELOPT_TYPE_INT, + offsetof(StdRdOptions, autovacuum) + offsetof(AutoVacOpts, vacuum_max_threshold)}, {"autovacuum_vacuum_insert_threshold", RELOPT_TYPE_INT, offsetof(StdRdOptions, autovacuum) + offsetof(AutoVacOpts, vacuum_ins_threshold)}, {"autovacuum_analyze_threshold", RELOPT_TYPE_INT, diff --git a/src/backend/postmaster/autovacuum.c b/src/backend/postmaster/autovacuum.c index 0ab921a169b..09ec9bb6990 100644 --- a/src/backend/postmaster/autovacuum.c +++ b/src/backend/postmaster/autovacuum.c @@ -120,6 +120,7 @@ int autovacuum_max_workers; int autovacuum_work_mem = -1; int autovacuum_naptime; int autovacuum_vac_thresh; +int autovacuum_vac_max_thresh; double autovacuum_vac_scale; int autovacuum_vac_ins_thresh; double autovacuum_vac_ins_scale; @@ -2895,6 +2896,8 @@ recheck_relation_needs_vacanalyze(Oid relid, * threshold. This threshold is calculated as * * threshold = vac_base_thresh + vac_scale_factor * reltuples + * if (threshold > vac_max_thresh) + * threshold = vac_max_thresh; * * For analyze, the analysis done is that the number of tuples inserted, * deleted and updated since the last analyze exceeds a threshold calculated @@ -2933,6 +2936,7 @@ relation_needs_vacanalyze(Oid relid, /* constants from reloptions or GUC variables */ int vac_base_thresh, + vac_max_thresh, vac_ins_base_thresh, anl_base_thresh; float4 vac_scale_factor, @@ -2974,6 +2978,11 @@ relation_needs_vacanalyze(Oid relid, ? relopts->vacuum_threshold : autovacuum_vac_thresh; + /* -1 is used to disable max threshold */ + vac_max_thresh = (relopts && relopts->vacuum_max_threshold >= -1) + ? relopts->vacuum_max_threshold + : autovacuum_vac_max_thresh; + vac_ins_scale_factor = (relopts && relopts->vacuum_ins_scale_factor >= 0) ? relopts->vacuum_ins_scale_factor : autovacuum_vac_ins_scale; @@ -3047,6 +3056,9 @@ relation_needs_vacanalyze(Oid relid, reltuples = 0; vacthresh = (float4) vac_base_thresh + vac_scale_factor * reltuples; + if (vac_max_thresh >= 0 && vacthresh > (float4) vac_max_thresh) + vacthresh = (float4) vac_max_thresh; + vacinsthresh = (float4) vac_ins_base_thresh + vac_ins_scale_factor * reltuples; anlthresh = (float4) anl_base_thresh + anl_scale_factor * reltuples; diff --git a/src/backend/utils/misc/guc_tables.c b/src/backend/utils/misc/guc_tables.c index 71448bb4fdd..b887d3e5983 100644 --- a/src/backend/utils/misc/guc_tables.c +++ b/src/backend/utils/misc/guc_tables.c @@ -3427,6 +3427,15 @@ struct config_int ConfigureNamesInt[] = NULL, NULL, NULL }, { + {"autovacuum_vacuum_max_threshold", PGC_SIGHUP, VACUUM_AUTOVACUUM, + gettext_noop("Maximum number of tuple updates or deletes prior to vacuum."), + NULL + }, + &autovacuum_vac_max_thresh, + 100000000, -1, INT_MAX, + NULL, NULL, NULL + }, + { {"autovacuum_vacuum_insert_threshold", PGC_SIGHUP, VACUUM_AUTOVACUUM, gettext_noop("Minimum number of tuple inserts prior to vacuum, or -1 to disable insert vacuums."), NULL diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample index 079efa1baa7..c40b7a3121e 100644 --- a/src/backend/utils/misc/postgresql.conf.sample +++ b/src/backend/utils/misc/postgresql.conf.sample @@ -670,6 +670,9 @@ autovacuum_worker_slots = 16 # autovacuum worker slots to allocate #autovacuum_vacuum_insert_scale_factor = 0.2 # fraction of inserts over table # size before insert vacuum #autovacuum_analyze_scale_factor = 0.1 # fraction of table size before analyze +#autovacuum_vacuum_max_threshold = 100000000 # max number of row updates + # before vacuum; -1 disables max + # threshold #autovacuum_freeze_max_age = 200000000 # maximum XID age before forced vacuum # (change requires restart) #autovacuum_multixact_freeze_max_age = 400000000 # maximum multixact age diff --git a/src/bin/psql/tab-complete.in.c b/src/bin/psql/tab-complete.in.c index 81cbf10aa28..5f6897c8486 100644 --- a/src/bin/psql/tab-complete.in.c +++ b/src/bin/psql/tab-complete.in.c @@ -1368,6 +1368,7 @@ static const char *const table_storage_parameters[] = { "autovacuum_vacuum_cost_limit", "autovacuum_vacuum_insert_scale_factor", "autovacuum_vacuum_insert_threshold", + "autovacuum_vacuum_max_threshold", "autovacuum_vacuum_scale_factor", "autovacuum_vacuum_threshold", "fillfactor", @@ -1384,6 +1385,7 @@ static const char *const table_storage_parameters[] = { "toast.autovacuum_vacuum_cost_limit", "toast.autovacuum_vacuum_insert_scale_factor", "toast.autovacuum_vacuum_insert_threshold", + "toast.autovacuum_vacuum_max_threshold", "toast.autovacuum_vacuum_scale_factor", "toast.autovacuum_vacuum_threshold", "toast.log_autovacuum_min_duration", diff --git a/src/include/postmaster/autovacuum.h b/src/include/postmaster/autovacuum.h index 54e01c81d68..06d4a593575 100644 --- a/src/include/postmaster/autovacuum.h +++ b/src/include/postmaster/autovacuum.h @@ -33,6 +33,7 @@ extern PGDLLIMPORT int autovacuum_max_workers; extern PGDLLIMPORT int autovacuum_work_mem; extern PGDLLIMPORT int autovacuum_naptime; extern PGDLLIMPORT int autovacuum_vac_thresh; +extern PGDLLIMPORT int autovacuum_vac_max_thresh; extern PGDLLIMPORT double autovacuum_vac_scale; extern PGDLLIMPORT int autovacuum_vac_ins_thresh; extern PGDLLIMPORT double autovacuum_vac_ins_scale; diff --git a/src/include/utils/rel.h b/src/include/utils/rel.h index 33d1e4a4e2e..48b95f211f3 100644 --- a/src/include/utils/rel.h +++ b/src/include/utils/rel.h @@ -309,6 +309,7 @@ typedef struct AutoVacOpts { bool enabled; int vacuum_threshold; + int vacuum_max_threshold; int vacuum_ins_threshold; int analyze_threshold; int vacuum_cost_limit; |