Re: Write performance on a large database

From: Alan Hodgson <ahodgson(at)simkin(dot)ca>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Write performance on a large database
Date: 2011-06-09 15:08:55
Message-ID: 201106090808.55242.ahodgson@simkin.ca
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On June 9, 2011 05:15:26 AM Håvard Wahl Kongsgård wrote:
> Hi, I have performance issues on very large database(100GB). Reading from
> the database is no problem, but writing(or heavy writing) is a nightmare.
> I have tried tuning postgresql, but that does not seem to improving the
> writing performance.
> To improve the write performance, what are my options?

Buy fast disks (many), attach them to a good raid controller with a battery-
backed write cache, setup in RAID-10. Or move to SSD.

--
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