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Re: COMMIT NOWAIT Performance Option

From: "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com>
To: "J(dot) Andrew Rogers" <jrogers(at)neopolitan(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: COMMIT NOWAIT Performance Option
Date: 2007-03-01 03:06:00
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On 2/28/07, J. Andrew Rogers <jrogers(at)neopolitan(dot)com> wrote:
> A popular alternative to CRC32 for this purpose is the significantly
> cheaper and almost as effective is the Adler32 algorithm.  I know
> Google used this algorithm when they added checksumming to their
> database to tame inexplicable transient corruption.

Last time I checked, Teradata used a modified Fletcher checksum as
well; I wasn't aware of Adler32.

Jonah H. Harris, Software Architect | phone: 732.331.1324
EnterpriseDB Corporation            | fax: 732.331.1301
33 Wood Ave S, 3rd Floor            | jharris(at)enterprisedb(dot)com
Iselin, New Jersey 08830            |

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