| 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: | 36e682920702281906g5971e1ex1209142c451b02e3@mail.gmail.com |
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| 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 | http://www.enterprisedb.com/
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