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Autovacuum loose end mop-up. Provide autovacuum-specific vacuum cost

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delay and limit, both as global GUCs and as table-specific entries in
pg_autovacuum.  stats_reset_on_server_start is now OFF by default,
but a reset is forced if we did WAL replay.  XID-wrap vacuums do not
ANALYZE, but do FREEZE if it's a template database.  Alvaro Herrera
This commit is contained in:
Tom Lane
2005-08-11 21:11:50 +00:00
parent f6c30d54fa
commit d90c531188
18 changed files with 456 additions and 209 deletions
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22
src/backend/utils/misc/guc.c
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@ -10,7 +10,7 @@
* Written by Peter Eisentraut <peter_e@gmx.net>.
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.280 2005/07/30 15:17:20 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.281 2005/08/11 21:11:47 tgl Exp $
*
*--------------------------------------------------------------------
*/
@ -672,7 +672,7 @@ static struct config_bool ConfigureNamesBool[] =
NULL
},
&pgstat_collect_resetonpmstart,
true, NULL, NULL
false, NULL, NULL
},
{
{"stats_command_string", PGC_SUSET, STATS_COLLECTOR,
@ -1160,6 +1160,24 @@ static struct config_int ConfigureNamesInt[] =
0, 0, 1000, NULL, NULL
},
{
{"autovacuum_vacuum_cost_delay", PGC_SIGHUP, AUTOVACUUM,
gettext_noop("Vacuum cost delay in milliseconds, for autovacuum."),
NULL
},
&autovacuum_vac_cost_delay,
-1, -1, 1000, NULL, NULL
},
{
{"autovacuum_vacuum_cost_limit", PGC_SIGHUP, AUTOVACUUM,
gettext_noop("Vacuum cost amount available before napping, for autovacuum."),
NULL
},
&autovacuum_vac_cost_limit,
-1, -1, 10000, NULL, NULL
},
{
{"max_files_per_process", PGC_POSTMASTER, RESOURCES_KERNEL,
gettext_noop("Sets the maximum number of simultaneously open files for each server process."),