diff options
| -rw-r--r-- | doc/src/sgml/config.sgml | 9 | ||||
| -rw-r--r-- | src/backend/utils/misc/guc.c | 8 | ||||
| -rw-r--r-- | src/backend/utils/misc/postgresql.conf.sample | 6 |
3 files changed, 12 insertions, 11 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index b001e5f283..a3331bdef6 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.131 2007/07/18 12:00:47 mha Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.132 2007/07/24 01:53:55 alvherre Exp $ --> <chapter Id="runtime-config"> <title>Server Configuration</title> @@ -3247,7 +3247,7 @@ SELECT * FROM parent WHERE key = 2400; <para> Specifies the minimum number of updated or deleted tuples needed to trigger a <command>VACUUM</> in any one table. - The default is 500 tuples. + The default is 50 tuples. This parameter can only be set in the <filename>postgresql.conf</> file or on the server command line. This setting can be overridden for individual tables by entries in @@ -3265,7 +3265,7 @@ SELECT * FROM parent WHERE key = 2400; <para> Specifies the minimum number of inserted, updated or deleted tuples needed to trigger an <command>ANALYZE</> in any one table. - The default is 250 tuples. + The default is 50 tuples. This parameter can only be set in the <filename>postgresql.conf</> file or on the server command line. This setting can be overridden for individual tables by entries in @@ -3343,8 +3343,9 @@ SELECT * FROM parent WHERE key = 2400; <para> Specifies the cost delay value that will be used in automatic <command>VACUUM</> operations. If <literal>-1</> is - specified (which is the default), the regular + specified, the regular <xref linkend="guc-vacuum-cost-delay"> value will be used. + The default value is 20 milliseconds. This parameter can only be set in the <filename>postgresql.conf</> file or on the server command line. This setting can be overridden for individual tables by entries in diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index feb5354940..06915017e6 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -10,7 +10,7 @@ * Written by Peter Eisentraut <peter_e@gmx.net>. * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.405 2007/07/10 13:14:21 mha Exp $ + * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.406 2007/07/24 01:53:56 alvherre Exp $ * *-------------------------------------------------------------------- */ @@ -1348,7 +1348,7 @@ static struct config_int ConfigureNamesInt[] = GUC_UNIT_MS }, &autovacuum_vac_cost_delay, - -1, -1, 1000, NULL, NULL + 20, -1, 1000, NULL, NULL }, { @@ -1656,7 +1656,7 @@ static struct config_int ConfigureNamesInt[] = NULL }, &autovacuum_vac_thresh, - 500, 0, INT_MAX, NULL, NULL + 50, 0, INT_MAX, NULL, NULL }, { {"autovacuum_analyze_threshold", PGC_SIGHUP, AUTOVACUUM, @@ -1664,7 +1664,7 @@ static struct config_int ConfigureNamesInt[] = NULL }, &autovacuum_anl_thresh, - 250, 0, INT_MAX, NULL, NULL + 50, 0, INT_MAX, NULL, NULL }, { /* see varsup.c for why this is PGC_POSTMASTER not PGC_SIGHUP */ diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample index 738eb9a5f7..51c83ade0a 100644 --- a/src/backend/utils/misc/postgresql.conf.sample +++ b/src/backend/utils/misc/postgresql.conf.sample @@ -381,9 +381,9 @@ #log_autovacuum = -1 # -1 is disabled, 0 logs all actions # and their durations, > 0 logs only # actions running at least N msec. -#autovacuum_vacuum_threshold = 500 # min # of tuple updates before +#autovacuum_vacuum_threshold = 50 # min # of tuple updates before # vacuum -#autovacuum_analyze_threshold = 250 # min # of tuple updates before +#autovacuum_analyze_threshold = 50 # min # of tuple updates before # analyze #autovacuum_vacuum_scale_factor = 0.2 # fraction of rel size before # vacuum @@ -391,7 +391,7 @@ # analyze #autovacuum_freeze_max_age = 200000000 # maximum XID age before forced vacuum # (change requires restart) -#autovacuum_vacuum_cost_delay = -1 # default vacuum cost delay for +#autovacuum_vacuum_cost_delay = 20 # default vacuum cost delay for # autovacuum, -1 means use # vacuum_cost_delay #autovacuum_vacuum_cost_limit = -1 # default vacuum cost limit for |