Re: CommitDelay performance improvement

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От Tom Lane
Тема Re: CommitDelay performance improvement
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Msg-id 10797.982991229@sss.pgh.pa.us
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Ответ на Re: CommitDelay performance improvement  (Philip Warner <pjw@rhyme.com.au>)
Ответы Re: CommitDelay performance improvement  (Bruce Momjian <pgman@candle.pha.pa.us>)
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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.
        regards, tom lane


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