Re: Block-level CRC checks

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От Aidan Van Dyk
Тема Re: Block-level CRC checks
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Msg-id 20081017161408.GA16893@yugib.highrise.ca
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Ответ на Re: Block-level CRC checks  (Greg Stark <greg.stark@enterprisedb.com>)
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* Greg Stark <greg.stark@enterprisedb.com> [081017 12:05]:
> I'm far from convinced wal logging hint bits is a non starter. In fact  
> I doubt the wal log itself I a problem. Having to take the buffer lock  
> does suck though.

And remember, you don't even need to WAL all the hint-bit setts:... You
only *need* to get a WAL backup of the block at some *any* point before the
block's written to save from the torn-page on recovery leading to an
inconsistent CRC.

a.
-- 
Aidan Van Dyk                                             Create like a god,
aidan@highrise.ca                                       command like a king,
http://www.highrise.ca/                                   work like a slave.

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