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

From: Florian Weimer <fweimer(at)bfk(dot)de>
To: "Simon Riggs" <simon(at)2ndquadrant(dot)com>
Cc: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, <pgsql-hackers(at)postgresql(dot)org>, <pgsql-patches(at)postgresql(dot)org>
Subject: Re: [HACKERS] wal_checksum = on (default) | off
Date: 2007-01-04 16:58:51
Message-ID: 824pr620fo.fsf@mid.bfk.de (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
* Simon Riggs:

>> Surely not.  Otherwise even the "on" setting is not really a defense.
>
> Only when the CRC is exactly zero, which happens very very rarely.

Have you tried switching to Adler32 instead of CRC32?

-- 
Florian Weimer                <fweimer(at)bfk(dot)de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstra├če 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99

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