From: Marcin Mańk <marcin.mank@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: VACUUM FULL hangs
Date: Wed, 15 Mar 2006 19:43:35 +0100
Message-ID: <03ae01c64860$6039d160$0c67a8c0@maniek> (raw)
References: <024d01c64818$9b5790e0$0c67a8c0@maniek>
<4418005A.70108@archonet.com>
> I'm a bit puzzled as to how you managed to get so much free space at the
> start of the table. Did the replication work on the second try?
It actually worked on third try, I guess.
> OK, so you might well be getting the vacuum writing one page, then WAL,
> then vacuum, etc. That will mean the disk spends most of its time
> seeking back and fore. How many disks do you have, and is the WAL on a
> separate set of disks?
It is 2 spindles software RAID1 . Till now there were no performance
problems with this machine that would mandate trying anything more fancy,
this machine is low traffic.
Greetings
Marcin Mańk
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To: pgsql-performance@postgresql.org
Cc: marcin.mank@gmail.com
Subject: Re: VACUUM FULL hangs
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