Re: Postgresql Performance on an HP DL385 and

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От Tom Lane
Тема Re: Postgresql Performance on an HP DL385 and
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Msg-id 20113.1155674409@sss.pgh.pa.us
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Ответ на Re: Postgresql Performance on an HP DL385 and  (mark@mark.mielke.cc)
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mark@mark.mielke.cc writes:
> WAL file is never appended - only re-written?

> If so, then I'm wrong, and ext2 is fine. The requirement is that no
> file system structures change as a result of any writes that
> PostgreSQL does. If no file system structures change, then I take
> everything back as uninformed.

That risk certainly exists in the general data directory, but AFAIK
it's not a problem for pg_xlog.

            regards, tom lane

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