From: Scott Marlowe <smarlowe@g2switchworks.com>
To: Vivek Khera <vivek@khera.org>
Cc: pgsql-sql@postgresql.org
Subject: Re: getting count for a specific querry
Date: Fri, 08 Apr 2005 15:42:57 -0500
Message-ID: <1112992977.20921.86.camel@state.g2switchworks.com> (raw)
In-Reply-To: <7501ca328bf49eaf7990583fa6f598bf@khera.org>
References: <003b01c53c70$6ff184b0$797ba8c0@jfradkin>
<cb3b9f9319ae75a9f8eb756ff38e85e8@khera.org>
<1112992262.20921.81.camel@state.g2switchworks.com>
<7501ca328bf49eaf7990583fa6f598bf@khera.org>
On Fri, 2005-04-08 at 15:36, Vivek Khera wrote:
> On Apr 8, 2005, at 4:31 PM, Scott Marlowe wrote:
>
> > Note that there are several different RAID controllers you can get with
> > a DELL. I had good luck with the PERC 4C (AMI MegaRAID based) at my
> >
>
> I've had bad luck regarding speed with *all* of them, AMI MegaRAID and
> Adaptec based ones, under high load. Under moderate to low load
> they're acceptable.
Were you using battery backed cache with write-back enabled on the 4C?
The 3C is also megaraid based, but it a pretty old design and not very
fast.
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To: pgsql-sql@postgresql.org
Cc: smarlowe@g2switchworks.com, vivek@khera.org
Subject: Re: getting count for a specific querry
In-Reply-To: <1112992977.20921.86.camel@state.g2switchworks.com>
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