Re: CommitDelay performance improvement - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: CommitDelay performance improvement
Date
Msg-id 200102240636.BAA00664@candle.pha.pa.us
Whole thread Raw
In response to Re: CommitDelay performance improvement  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
> Philip Warner <pjw@rhyme.com.au> writes:
> > It may have been much earler in the debate, but has anyone checked to see
> > what the maximum possible gains might be - or is it self-evident to people
> > who know the code?
> 
> fsync off provides an upper bound to the speed achievable from being
> smarter about when to fsync... I doubt that fsync-once-per-checkpoint
> would be much different.

That was my point, people should be doing fsync once per checkpoint
rather than never.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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