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Re: pg_upgrade test

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Mario Splivalo <mario(dot)splivalo(at)megafon(dot)hr>
Cc: pgsql-testers(at)postgresql(dot)org
Subject: Re: pg_upgrade test
Date: 2010-08-15 18:36:04
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Lists: pgsql-testers
Mario Splivalo wrote:
> [Release]: 9.0Beta4
> [Test Type]: Feature test
> [Test]: pg_upgrade
> [Platform]: Ubuntu 10.04 64bit
> [Parameters]: Default
> [Failure]: No
> [Results]: pg_upgrade successful
> I run the test on the 6 GB cluster consisting of 6 databases.
> The 'old style' test (pg_dumpall / pg_restore) took around 26 minutes.
> Doing `pg_dump -Fc f` for each database, then recreating databases and 
> users on new (9.0b4) cluster, and then pg_restoring databases took 15 
> minutes. (Too bad one can't pg_dumpall -Fc).
> Using pg_upgrade the migration took 5 minutes, including 'vacuumdb -aZ'.
> Great tool!

Great, thanks.

  Bruce Momjian  <bruce(at)momjian(dot)us>

  + It's impossible for everything to be true. +

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Subject: Re: vacuum in pg9beta4 much slower than in 8.4
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