RE: CRCs (was: beta testing version)

From: "Mikheev, Vadim" <vmikheev(at)SECTORBASE(dot)COM>
To: "'pgsql-hackers(at)postgresql(dot)org'" <pgsql-hackers(at)postgresql(dot)org>
Subject: RE: CRCs (was: beta testing version)
Date: 2000-12-07 20:22:12
Message-ID: 8F4C99C66D04D4118F580090272A7A234D31DE@sectorbase1.sectorbase.com
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> > 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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