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Re: [HACKERS] wal_checksum = on (default) | off

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Florian Weimer <fweimer(at)bfk(dot)de>
Cc: "Simon Riggs" <simon(at)2ndquadrant(dot)com>, pgsql-hackers(at)postgresql(dot)org, pgsql-patches(at)postgresql(dot)org
Subject: Re: [HACKERS] wal_checksum = on (default) | off
Date: 2007-01-04 17:07:03
Message-ID: 18389.1167930423@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
Florian Weimer <fweimer(at)bfk(dot)de> writes:
> Have you tried switching to Adler32 instead of CRC32?

Is anything known about the error detection capabilities of Adler32?
There's a lot of math behind CRCs but AFAIR Adler's method is pretty
much ad-hoc.

			regards, tom lane

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