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Cost based vacuum delay feature.

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Jan
This commit is contained in:
Jan Wieck
2004-02-06 19:36:18 +00:00
parent 687d7cf355
commit f425b605f4
9 changed files with 189 additions and 8 deletions
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47
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 1.185 2004/02/04 01:24:53 wieck Exp $
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.186 2004/02/06 19:36:18 wieck Exp $
*
*--------------------------------------------------------------------
*/
@ -1047,6 +1047,51 @@ static struct config_int ConfigureNamesInt[] =
16384, 1024, INT_MAX / 1024, NULL, NULL
},
{
{"vacuum_cost_page_hit", PGC_USERSET, RESOURCES,
gettext_noop("Vacuum cost for a page found in the buffer cache."),
NULL
},
&VacuumCostPageHit,
1, 0, 10000, NULL, NULL
},
{
{"vacuum_cost_page_miss", PGC_USERSET, RESOURCES,
gettext_noop("Vacuum cost for a page not found in the buffer cache."),
NULL
},
&VacuumCostPageMiss,
10, 0, 10000, NULL, NULL
},
{
{"vacuum_cost_page_dirty", PGC_USERSET, RESOURCES,
gettext_noop("Vacuum cost for a page dirtied by vacuum."),
NULL
},
&VacuumCostPageDirty,
20, 0, 10000, NULL, NULL
},
{
{"vacuum_cost_limit", PGC_USERSET, RESOURCES,
gettext_noop("Vacuum cost amount available before napping."),
NULL
},
&VacuumCostLimit,
200, 1, 10000, NULL, NULL
},
{
{"vacuum_cost_naptime", PGC_USERSET, RESOURCES,
gettext_noop("Vacuum cost naptime in milliseconds."),
NULL
},
&VacuumCostNaptime,
0, 0, 1000, NULL, NULL
},
{
{"max_files_per_process", PGC_BACKEND, RESOURCES_KERNEL,
gettext_noop("Sets the maximum number of simultaneously open files for each server process."),