| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Zeugswetter Andreas SB <ZeugswetterA(at)wien(dot)spardat(dot)at> |
| Cc: | Vadim Mikheev <vmikheev(at)sectorbase(dot)com>, "'Bruce Momjian'" <pgman(at)candle(dot)pha(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: AW: Plans for solving the VACUUM problem |
| Date: | 2001-05-21 16:06:27 |
| Message-ID: | 28815.990461187@sss.pgh.pa.us |
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Zeugswetter Andreas SB <ZeugswetterA(at)wien(dot)spardat(dot)at> writes:
> Tom: If your ratio of physical pages vs WAL records is so bad, the config
> should simply be changes to do fewer checkpoints (say every 20 min like a
> typical Informix setup).
I was using the default configuration. What caused the problem was
probably not so much the standard 5-minute time-interval-driven
checkpoints, as it was the standard every-3-WAL-segments checkpoints.
Possibly we ought to increase that number?
regards, tom lane
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