RE: CRCs (was: beta testing version)

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От Mikheev, Vadim
Тема RE: CRCs (was: beta testing version)
Дата
Msg-id 8F4C99C66D04D4118F580090272A7A234D31DE@sectorbase1.sectorbase.com
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Ответ на CRCs (was: beta testing version)  (ncm@zembu.com (Nathan Myers))
Ответы Re: CRCs (was: beta testing version)  (Bruce Guenter <bruceg@em.ca>)
Re: CRCs (was: beta testing version)  (ncm@zembu.com (Nathan Myers))
Список pgsql-hackers
> > That's why an end marker must follow all valid records.  
...
> 
> That requires an extra out-of-sequence write. 

Yes, and also increase probability to corrupt already committed
to log data.

> (I'd also like to see CRCs on all the table blocks as well; is there
> a place to put them?)

Do we need it? "physical log" feature suggested by Andreas will protect
us from non atomic data block writes.

Vadim


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