Re: Block-level CRC checks

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От Heikki Linnakangas
Тема Re: Block-level CRC checks
Дата
Msg-id 4B151A6F.1070605@enterprisedb.com
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Ответ на Re: Block-level CRC checks  (Bruce Momjian <bruce@momjian.us>)
Ответы Re: Block-level CRC checks  (Robert Haas <robertmhaas@gmail.com>)
Re: Block-level CRC checks  (Simon Riggs <simon@2ndQuadrant.com>)
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Bruce Momjian wrote:
> What might be interesting is to report CRC mismatches if the database
> was shut down cleanly previously;  I think in those cases we shouldn't
> have torn pages.

Unfortunately that's not true. You can crash, leading to a torn page,
and then start up the database and shut it down cleanly. The torn page
is still there, even though the last shutdown was a clean one.

--  Heikki Linnakangas EnterpriseDB   http://www.enterprisedb.com


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