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From: John Hansen <[email protected]>
To: Dave Page <[email protected]>
To: Devrim GUNDUZ <[email protected]>
Cc: PostgreSQL WWW Mailing List <[email protected]>
Subject: Re: Problem with mirrorring
Date: Sun, 3 Oct 2004 21:58:46 +1000
Message-ID: <[email protected]> (raw)

> 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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