Re: which Xeon processors don't have the context switching problem
Claus Guttesen <kometen@gmail.com>
From: "Claus Guttesen" <kometen@gmail.com>
To: Geoffrey <esoteric@3times25.net>
Cc: pgsql-performance@postgresql.org
Date: 2007-02-23T19:33:41Z
Lists: pgsql-performance
> 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