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From: Andreas Pflug <pgadmin@pse-consulting.de>
To: Jesper Krogh <jesper@krogh.cc>
Cc: pgsql-performance@postgresql.org
Subject: Re: Restore performance?
Date: Mon, 10 Apr 2006 10:43:31 +0200
Message-ID: <443A1AB3.2050707@pse-consulting.de> (raw)
In-Reply-To: <e1d31l$2nt$1@sea.gmane.org>
References: <e1d31l$2nt$1@sea.gmane.org>

Jesper Krogh wrote:
> Hi 
> 
> I'm currently upgrading a Posgresql 7.3.2 database to a
> 8.1.<something-good>
> 
> I'd run pg_dump | gzip > sqldump.gz  on the old system. That took about
> 30 hours and gave me an 90GB zipped file. Running 
> cat sqldump.gz | gunzip | psql 
> into the 8.1 database seems to take about the same time. Are there 
> any tricks I can use to speed this dump+restore process up? 

If you can have both database systems up at the same time, you could 
pg_dump | psql.

Regards,
Andreas



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