From: Shaun Thomas <sthomas@optionshouse.com>
To: Craig James <cjames@emolecules.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Hyperthreading (was: Two identical systems, radically different performance)
Date: Tue, 9 Oct 2012 15:56:25 -0500
Message-ID: <50748F79.7070402@optionshouse.com> (raw)
In-Reply-To: <CAFwQ8revW5Ez6uCUqPeUFVHh0pdy0OZKv8_nM0SvxHgTM055EQ@mail.gmail.com>
References: <CAFwQ8revW5Ez6uCUqPeUFVHh0pdy0OZKv8_nM0SvxHgTM055EQ@mail.gmail.com>
On 10/09/2012 03:12 PM, Craig James wrote:
> ~3200 TPS max with hyperthreading
> ~9000 TPS max without hyprethreading
That's really odd. We got almost the opposite effect on our X5645's.
Also, there's no way your RAID is sustaining 9000TPS. Something here
sounds fishy.
--
Shaun Thomas
OptionsHouse | 141 W. Jackson Blvd. | Suite 500 | Chicago IL, 60604
312-444-8534
sthomas@optionshouse.com
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To: pgsql-performance@postgresql.org
Cc: sthomas@optionshouse.com, cjames@emolecules.com
Subject: Re: Hyperthreading (was: Two identical systems, radically different performance)
In-Reply-To: <50748F79.7070402@optionshouse.com>
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