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From: Lutz Steinborn <l.steinborn@4c-ag.de>
To: pgsql-performance@postgresql.org
Subject: Re: Hardware HD choice...
Date: Fri, 24 Oct 2008 09:26:45 +0200
Message-ID: <20081024092645.6e82eb2f.l.steinborn@4c-ag.de> (raw)
In-Reply-To: <dcc563d10810232241w445606f2wf12af9b7a7997622@mail.gmail.com>
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On Thu, 23 Oct 2008 23:41:49 -0600
"Scott Marlowe" <scott.marlowe@gmail.com> wrote:

> On Thu, Oct 23, 2008 at 8:48 PM, Scott Carey <scott@richrelevance.com> wrote:
> > If you are doing batch inserts of data, and want to have reporting queries
> > concurrently running, make sure you have the pg_xlogs on a different disk
> > than the data/indexes.   2 drives RAID 1 for OS + xlogs works great (and
> 
> From the OPs original post I'd guess that one big RAID 10 would serve
> him best, but yeah, you need to test to really see.

Has anybody a performance comparison for postgresql between the various RAID
levels ?

many thanks in advance

regards




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