From: Anj Adu <fotographs@gmail.com>
To: pgsql-admin@postgresql.org
Subject: Re: more 10K disks or less 15K disks
Date: Wed, 28 Apr 2010 11:28:44 -0700
Message-ID: <o2pf2fd819a1004281128k4ded168dsaa69aca26fc26638@mail.gmail.com> (raw)
In-Reply-To: <i2pf2fd819a1004281127sf91d988cua1d95d13d09dae09@mail.gmail.com>
References: <i2pf2fd819a1004281127sf91d988cua1d95d13d09dae09@mail.gmail.com>
I forgot to add that the 24 10K disks are 2.5 inch and the 12 15K
disks are 3.5 inch
On Wed, Apr 28, 2010 at 11:27 AM, Anj Adu <fotographs@gmail.com> wrote:
> I am faced with a hardware choice for a postgres data warehouse
> (extremely high volume inserts..over 200 million records a day) with a
> total storage of either
>
> 12 x 600G disks (15K) (the new Dell Poweredge C server)
>
> or
>
> 24 x 600G (10K disks)
>
> ALL direct attached storage.
>
> I am leaning toward the 24 disks as I expect the higher number of
> disks to provide overall better performance under high loads
>
> Does anyone have any experience with a mixed 10K / 15K DAS storage
> that you can share.
>
> Thank you
>
> Sriram
>
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Subject: Re: more 10K disks or less 15K disks
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