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Re: Differential Backups

From: Paul Tomblin <ptomblin(at)xcski(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Differential Backups
Date: 2001-10-30 02:30:59
Message-ID: 20011029213059.A23024@allhats.xcski.com (view raw or flat)
Thread:
Lists: pgsql-general
Quoting Alvaro Herrera (alvherre(at)atentus(dot)com):
> > Interesting idea.  The one thing I might worry about is that 'diff'
> > might (I'm not familiar with its algorithm) eat a great deal of memory
> > if the dumps you're comparing are very large and significantly
> > different.
> 
> GNU diff reads in memory both files. You sure need lots to compare
> medium sized databases, and I don't think this method will work on big
> ones.

Doesn't GNU diff have the "-h" option?

-- 
Paul Tomblin <ptomblin(at)xcski(dot)com>, not speaking for anybody
Never underestimate the bandwidth of a station wagon full of
tapes hurtling down the highway.
                              -- Andrew Tanenbaum

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