From: Jignesh K. Shah <J.K.Shah@sun.com>
To: Franck Routier <franck.routier@axege.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: 12 disks raid setup
Date: Fri, 29 Feb 2008 12:17:29 -0500
Message-ID: <47C83E29.8060701@sun.com> (raw)
In-Reply-To: <1204285894.11773.33.camel@franck-gusty>
References: <1204285894.11773.33.camel@franck-gusty>
Franck Routier wrote:
> Hi,
>
> I am in the process of setting up a postgresql server with 12 SAS disks.
>
> I am considering two options:
>
> 1) set up a 12 disks raid 10 array to get maximum raw performance from
> the system and put everything on it (it the whole pg cluster, including
> WAL, and every tablespcace)
>
> 2) set up 3 raid 10 arrays of 4 disks, and dispatch my data on these
> disks via tablespaces :
>
> data1 = pg cluster + references data (dimensions) tablespace
> data2 = fact data tablespace
> data3 = indices tablespace
>
>
>
Option 2: Infact I would also say within one of the RAID1 use another
softpartition and separate out pg_xlog also.
My 2 cents based on my benchmarks.
-Jignesh
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To: pgsql-performance@postgresql.org
Cc: J.K.Shah@sun.com, franck.routier@axege.com
Subject: Re: 12 disks raid setup
In-Reply-To: <47C83E29.8060701@sun.com>
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