Reduce the size of memory allocations by lazy vacuum when processing a small
Alvaro Herrera <alvherre@alvh.no-ip.org>
Reduce the size of memory allocations by lazy vacuum when processing a small table, by allocating just enough for a hardcoded number of dead tuples per page. The current estimate is 200 dead tuples per page. Per reports from Jeff Amiel, Erik Jones and Marko Kreen, and subsequent discussion. CVS: ---------------------------------------------------------------------- CVS: Enter Log. Lines beginning with `CVS:' are removed automatically CVS: CVS: Committing in . CVS: CVS: Modified Files: CVS: commands/vacuumlazy.c CVS: ----------------------------------------------------------------------
Files
| Path | Change | +/− |
|---|---|---|
| src/backend/commands/vacuumlazy.c | modified | +18 −5 |