Re: CommitDelay performance improvement

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Philip Warner <pjw(at)rhyme(dot)com(dot)au>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: CommitDelay performance improvement
Date: 2001-02-24 05:07:09
Message-ID: 10797.982991229@sss.pgh.pa.us
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Philip Warner <pjw(at)rhyme(dot)com(dot)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.

regards, tom lane

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