From: | "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com> |
---|---|
To: | pgsql-performance(at)postgresql(dot)org |
Subject: | Re: Slow restoration question |
Date: | 2006-05-03 18:08:21 |
Message-ID: | 20060503180821.GZ97354@pervasive.com |
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Thread: | |
Lists: | pgsql-performance |
On Wed, May 03, 2006 at 01:06:06PM -0400, Michael Stone wrote:
> On Wed, May 03, 2006 at 11:07:15AM -0500, Scott Marlowe wrote:
> >I have often used the mem=xxx arguments to lilo when needing to limit
> >the amount of memory for testing purposes. Just google for limit memory
> >and your bootloader to find the options.
>
> Or, just don't worry about it. Even if you get bonnie to reflect real
> numbers, so what? In general the goal is to optimize application
> performance, not bonnie performance. A simple set of dd's is enough to
> give you a rough idea of disk performance, beyond that you really need
> to see how your disk is performing with your actual workload.
Well, in this case the question was about random write access, which dd
won't show you.
--
Jim C. Nasby, Sr. Engineering Consultant jnasby(at)pervasive(dot)com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
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