Re: New server setup - Mailing list pgsql-performance

From Scott Marlowe
Subject Re: New server setup
Date
Msg-id CAOR=d=2nPutwkoRfOD8Q=FFnd=w-H2RUB2i7MuLGgDG=gX1T=g@mail.gmail.com
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In response to Re: New server setup  (David Rees <drees76@gmail.com>)
List pgsql-performance
On Wed, Mar 20, 2013 at 6:44 PM, David Rees <drees76@gmail.com> wrote:
> On Thu, Mar 14, 2013 at 4:37 PM, David Boreham <david_list@boreham.org> wrote:
>> You might want to evaluate the performance you can achieve with a single-SSD
>> (use several for capacity by all means) before considering a RAID card + SSD
>> solution.
>> Again I bet it depends on the application but our experience with the older
>> Intel 710 series is that their performance out-runs the CPU, at least under
>> our PG workload.
>
> How many people are using a single enterprise grade SSD for production
> without RAID? I've had a few consumer grade SSDs brick themselves -
> but are the enterprise grade SSDs, like the new Intel S3700 which you
> can get in sizes up to 800GB, reliable enough to run as a single drive
> without RAID1? The performance of one is definitely good enough for
> most medium sized workloads without the complexity of a BBU RAID and
> multiple spinning disks...

I would still at least run two in software RAID-1 for reliability.


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