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Re: Differential Backups

From: Nicholas Piper <nick(at)nickpiper(dot)co(dot)uk>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Differential Backups
Date: 2001-10-30 13:31:04
Message-ID: 20011030133104.A3830@piamox7.haus (view raw or flat)
Thread:
Lists: pgsql-general
On Tue, 30 Oct 2001, Alvaro Herrera wrote:

> On Mon, 29 Oct 2001, Paul Tomblin wrote:

> > Quoting Alvaro Herrera (alvherre(at)atentus(dot)com):

> > > 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?

> No, at least in my version of it (2.7, which appears to be the latest in
> my local mirror of GNU). What's that supposed to do? In fact, the help

Maybe the -H option was meant:

       -H     Use heuristics to speed  handling  of  large  files
              that have numerous scattered small changes.

In 2.7 also.

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