Re: Problem with mirrorring

From: "John Hansen" <john(at)geeknet(dot)com(dot)au>
To: "Dave Page" <dpage(at)vale-housing(dot)co(dot)uk>, "Devrim GUNDUZ" <devrim(at)gunduz(dot)org>
Cc: "PostgreSQL WWW Mailing List" <pgsql-www(at)postgresql(dot)org>
Subject: Re: Problem with mirrorring
Date: 2004-10-03 11:58:46
Message-ID: 5066E5A966339E42AA04BA10BA706AE561C9@rodrick.geeknet.com.au
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> Of course, how it does that is a mystery to me - without
> fully comparing both versions, how can it create a diff? I
> guess that's what made it PhD material...

IIRC, it does a chunk by chunk md5 checksum on each file and transfers
only the differing chunks.
Quite clever indeed.

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