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Re: PG8.1 - Config file check

From: "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
To: Chris Hoover <revoohc(at)gmail(dot)com>
Cc: "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org>
Subject: Re: PG8.1 - Config file check
Date: 2005-12-19 20:50:18
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-admin
On Mon, Dec 19, 2005 at 03:11:04PM -0500, Chris Hoover wrote:
> I have upped the following parameters to help speed up our
> conversions, is there any issues leaving them set to these values
> after our conversion to 8.1?
> maintenance_work_mem to 1GB (1048576)
> checkpoint_segements to 256
> checkpoint_timeout to 1800 seconds (30 minutes)

During the conversion you might want to turn fsync off. AFAIK it's safe
to do that so long as you get a clean shutdown and then do a

sync; sync; sync

Don't run that way in production though...
Jim C. Nasby, Sr. Engineering Consultant      jnasby(at)pervasive(dot)com
Pervasive Software    work: 512-231-6117
vcard:       cell: 512-569-9461

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