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| author | Jan Wieck <JanWieck@Yahoo.com> | 2004-02-06 19:36:18 +0000 |
|---|---|---|
| committer | Jan Wieck <JanWieck@Yahoo.com> | 2004-02-06 19:36:18 +0000 |
| commit | f425b605f4e97a4571372b116a1ec81daf88dfc8 (patch) | |
| tree | 65acd8532a650b76c988890df2ac05f867e9d87c /src/backend/storage/buffer/freelist.c | |
| parent | 687d7cf3550f74bb09ddc0217025aad6fcc43a95 (diff) | |
| download | postgresql-f425b605f4e97a4571372b116a1ec81daf88dfc8.tar.gz postgresql-f425b605f4e97a4571372b116a1ec81daf88dfc8.zip | |
Cost based vacuum delay feature.
Jan
Diffstat (limited to 'src/backend/storage/buffer/freelist.c')
| -rw-r--r-- | src/backend/storage/buffer/freelist.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/backend/storage/buffer/freelist.c b/src/backend/storage/buffer/freelist.c index 6388bc724d9..74ec4518ab9 100644 --- a/src/backend/storage/buffer/freelist.c +++ b/src/backend/storage/buffer/freelist.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/buffer/freelist.c,v 1.39 2004/01/15 16:14:26 wieck Exp $ + * $PostgreSQL: pgsql/src/backend/storage/buffer/freelist.c,v 1.40 2004/02/06 19:36:18 wieck Exp $ * *------------------------------------------------------------------------- */ @@ -31,6 +31,7 @@ #include "storage/ipc.h" #include "storage/proc.h" #include "access/xact.h" +#include "miscadmin.h" #ifndef MAX #define MAX(a,b) (((a) > (b)) ? (a) : (b)) @@ -237,6 +238,12 @@ StrategyBufferLookup(BufferTag *tagPtr, bool recheck) strategy_get_from = STRAT_LIST_T2; } + /* + * Do the cost accounting for vacuum + */ + if (VacuumCostActive) + VacuumCostBalance += VacuumCostPageMiss; + /* report cache miss */ return NULL; } @@ -250,6 +257,8 @@ StrategyBufferLookup(BufferTag *tagPtr, bool recheck) * Count hits */ StrategyControl->num_hit[cdb->list]++; + if (VacuumCostActive) + VacuumCostBalance += VacuumCostPageHit; /* * If this is a T2 hit, we simply move the CDB to the |