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From: Craig James <craig_james@emolecules.com>
To: pgsql-performance@postgresql.org
Subject: Re: performance on new linux box
Date: Thu, 08 Jul 2010 10:10:15 -0700
Message-ID: <4C360677.1090608@emolecules.com> (raw)
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On 7/8/10 9:31 AM, Ryan Wexler wrote:
> Thanks a lot for all the comments.  The fact that both my windows box
> and the old linux box both show a massive performance improvement over
> the new linux box seems to point to hardware to me.  I am not sure how
> to test the fsync issue, but i don't see how that could be it.
>
> The raid card the server has in it is:
> 3Ware 4 Port 9650SE-4LPML RAID Card
>
> Looking it up, it seems to indicate that it has BBU

Make sure the battery isn't dead.  Most RAID controllers drop to non-BBU speeds if they detect that the battery is faulty.

Craig



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