Re: Free WAL caches on switching segments

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От Bruce Momjian
Тема Re: Free WAL caches on switching segments
Дата
Msg-id 200602131847.k1DIlpM09109@candle.pha.pa.us
обсуждение исходный текст
Ответ на Re: Free WAL caches on switching segments  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Free WAL caches on switching segments  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-patches
Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > Tom Lane wrote:
> >> It's still gonna need a configure test and so on.
>
> > The submitter believes the C macro test is sufficient:
>
> Do I get to revert the patch the moment that fails in buildfarm?

You bet.  In fact I liked his centralizing the WAL close() irrespective
of the feature itself.

> More to the point, the utility of the patch remains unproven.
> We are not in the habit of adding OS dependencies on speculation.

He ran tests, though it is speculation because non-caching is a pretty
hard thing to find a benefit from except under low memory situations.

--
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  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
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