Re: xlog checkpoint depends on sync() ... seems unsafe

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От Tom Lane
Тема Re: xlog checkpoint depends on sync() ... seems unsafe
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Msg-id 18005.984458933@sss.pgh.pa.us
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Ответ на RE: xlog checkpoint depends on sync() ... seems unsafe  ("Mikheev, Vadim" <vmikheev@SECTORBASE.COM>)
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"Mikheev, Vadim" <vmikheev@SECTORBASE.COM> writes:
> Maybe now, with two checkpoints in log, we should start redo from
> oldest one? This will increase recovery time of course -:(

Yeah, and it doesn't even solve the problem: consider a crash just
after we've written a shutdown checkpoint record.  On restart,
we won't think we need to redo anything at all.
        regards, tom lane

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