Re: About Buffer Flushing Function

From: "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Re: About Buffer Flushing Function
Date: 2006-03-13 03:02:34
Message-ID: dv2nie$253b$1@news.hub.org
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"" <wangbaobing(at)gmail(dot)com> wrote
>
> --Data Buffer Flush:Only flush the dirty database data(items) into the
disk
> not including the log buffer.
>

In most cases, if you just flush the dirty database pages into disk without
related xlog records, you are violating WAL. A possible consequence is data
corruption if any system error happens.

Regards,
Qingqing

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