Re: Block-level CRC checks

From: "Massa, Harald Armin" <chef(at)ghum(dot)de>
To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Cc: Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Block-level CRC checks
Date: 2009-12-05 01:23:31
Message-ID: e3e180dc0912041723k6bf26220r443b3adef77957a5@mail.gmail.com
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>> I am in the process of adding a user-space "myhash" column to all my
>> applications tables, filled by a trigger on insert / update. It really
>> speeds up table comparison across databases; and it is very helpfull
>> in debugging replications.
>
> Have you seen pg_comparator?

yes, saw the lightning talk at pgday.eu
it also uses md5 hashes, just in an own schema. Guess pg_comparator
would profit from an integrated MD5 hash.

Harald

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GHUM Harald Massa
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Harald Armin Massa
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