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

From: Geoffrey <esoteric(at)3times25(dot)net>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: which Xeon processors don't have the context switching problem
Date: 2007-02-23 21:49:08
Message-ID: 45DF6154.5090205@3times25.net
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Joshua D. Drake wrote:
> 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?

As I've heard. We're headed for 8 as soon as possible, but until we get
our code ready, we're on 7.4.16.

--
Until later, Geoffrey

Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety.
- Benjamin Franklin

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