Re: CommitDelay performance improvement

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: Vadim Mikheev <vadim4o(at)email(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: CommitDelay performance improvement
Date: 2001-02-23 19:55:27
Message-ID: 29219.982958127@sss.pgh.pa.us
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Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> Is there significant time between entry of CommitTransaction() and the
> fsync()? Maybe not.

I doubt it. No I/O anymore, anyway, unless the commit record happens to
overrun an xlog block boundary.

regards, tom lane

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