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Re: which Xeon processors don't have the context switching problem

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: josh(at)agliodbs(dot)com
Cc: pgsql-performance(at)postgresql(dot)org, Geoffrey <esoteric(at)3times25(dot)net>
Subject: Re: which Xeon processors don't have the context switching problem
Date: 2007-02-23 21:33:29
Message-ID: 45DF5DA9.90002@commandprompt.com (view raw or flat)
Thread:
Lists: pgsql-performance
Josh Berkus wrote:
> Geoffrey,
> 
>> I recall a reference on the list indicating that newer Xeon processors
>> don't suffer from the context switching problem reported last year.
> 
> Just to be clear, it's a software problem which affects all architectures, 
> including AMD and Sparc.  It's just *worse* on the PIII and P4 generation 
> Xeons.
> 

Also isn't it pretty much *not* a problem with current versions of
PostgreSQL?

Joshua D. Drake

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