Re: Choosing between Intel 320, Intel 510 or OCZ Vertex 3 SSD for db server

From: Claudio Freire <klaussfreire(at)gmail(dot)com>
To: Merlin Moncure <mmoncure(at)gmail(dot)com>
Cc: David Boreham <david_list(at)boreham(dot)org>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Choosing between Intel 320, Intel 510 or OCZ Vertex 3 SSD for db server
Date: 2011-10-24 22:47:01
Message-ID: CAGTBQpYLLDC=fiE=sWhZk7wTdxsmKBaFV4+voMD_RnpokvY8PQ@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

On Mon, Oct 24, 2011 at 6:31 PM, Merlin Moncure <mmoncure(at)gmail(dot)com> wrote:
>> 2. Multiple RAID'ed SSDs sounds like (vast) overkill for your workload. A
>> single SSD should be sufficient (will get you several thousand TPS on
>> pgbench for your DB size).
>
> Also, raid controllers interfere with TRIM.

What about redundancy?

How do you swap an about-to-die SSD?

Software RAID-1?

In response to

Responses

Browse pgsql-performance by date

  From Date Subject
Next Message David Boreham 2011-10-24 23:18:18 Re: Choosing between Intel 320, Intel 510 or OCZ Vertex 3 SSD for db server
Previous Message Merlin Moncure 2011-10-24 21:31:31 Re: Choosing between Intel 320, Intel 510 or OCZ Vertex 3 SSD for db server