Re: checkpoint reliability

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: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: checkpoint reliability
Date: 2001-12-19 04:06:34
Message-ID: 21719.1008734794@sss.pgh.pa.us
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Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> I was wondering, when we start to reuse a WAL file, do we know that all
> dirty buffers modified in that WAL file have been flushed to disk?

Yes. At least two checkpoints ago, in fact.

regards, tom lane

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