Re: Differential backup

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Merlin Moncure" <mmoncure(at)gmail(dot)com>, "Michael Tharp" <gxti(at)partiallystapled(dot)com>
Cc: "Simon Riggs" <simon(at)2ndquadrant(dot)com>, <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Differential backup
Date: 2010-04-27 15:13:37
Message-ID: 4BD6B8D10200002500030F50@gw.wicourts.gov
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Merlin Moncure <mmoncure(at)gmail(dot)com> wrote:

> The proposal only seems a win to me if a fair percentage of the
> larger files don't change, which strikes me as a relatively low
> level case to optimize for.

That's certainly a situation we face, with a relatively slow WAN in
the middle.

http://archives.postgresql.org/pgsql-admin/2009-07/msg00071.php

I don't know how rare or common that is.

-Kevin

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