From: Claus Guttesen <kometen@gmail.com>
To: Geoffrey <esoteric@3times25.net>
Cc: pgsql-performance@postgresql.org
Subject: Re: which Xeon processors don't have the context switching problem
Date: Fri, 23 Feb 2007 20:33:41 +0100
Message-ID: <b41c75520702231133k1bbd9a8drf9512890dd3c4dec@mail.gmail.com> (raw)
In-Reply-To: <45DF3B15.1070609@3times25.net>
References: <45DF3B15.1070609@3times25.net>
> I recall a reference on the list indicating that newer Xeon processors
> don't suffer from the context switching problem reported last year.
>
> In searching the archives, I can't find any specific info indentifying
> which Xeon processors don't have this problem.
>
> Anyone point me to a reference?
We recently migrated to a woodcrest @ 3 GHz from a 2 Ghz opteron. The
woodcrest seems to be enjoying doing db-related work. I don't have
numbers other than load is much lower now.
> Is this in any way related to the version of Postgresql one is running?
> We're headed for 8, but have a bit of work before we can get there.
> We are currently on 7.4.16.
We are at 7.4.14 which works fine atm.
regards
Claus
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To: pgsql-performance@postgresql.org
Cc: kometen@gmail.com, esoteric@3times25.net
Subject: Re: which Xeon processors don't have the context switching problem
In-Reply-To: <b41c75520702231133k1bbd9a8drf9512890dd3c4dec@mail.gmail.com>
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