Re: V4 of PITR performance improvement for 8.4

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От Fujii Masao
Тема Re: V4 of PITR performance improvement for 8.4
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Msg-id 3f0b79eb0903092147q5f340c66g80e1898696399a4b@mail.gmail.com
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Ответ на Re: V4 of PITR performance improvement for 8.4  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
Ответы Re: V4 of PITR performance improvement for 8.4
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Hi,

On Mon, Mar 9, 2009 at 10:20 PM, Heikki Linnakangas
<heikki.linnakangas@enterprisedb.com> wrote:
> Thanks. This patch seems to be missing the new readahead.c file. I grabbed
> that from the previous patch version.

Oh, sorry for the mistake. I changed one of Suzuki-san's patches
to be rebased to HEAD again (readahead-20090310.patch).
The other (addShBufCheck-20090120.patch) is not changed.

Comment:
we might reach consistent recovery state *before* redoing the safe
starting point, because readahead slightly delays the actual redo.
Is this safe? If not, the readahead queue should be flushed before
reaching that state?

Regards,

--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center

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