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Re: About Buffer Flushing Function - Mailing list pgsql-hackers

From Qingqing Zhou
Subject Re: About Buffer Flushing Function
Date
Msg-id dv2nie$253b$1@news.hub.org
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In response to About Buffer Flushing Function  (王宝兵 <wangbaobing@gmail.com>)
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"Íõ±¦±ø" <wangbaobing@gmail.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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