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Re: Hardware/OS recommendations for large databases (

From: David Boreham <david_list(at)boreham(dot)org>
To: Steve Wampler <swampler(at)noao(dot)edu>
Cc: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>,Alex Turner <armtuk(at)gmail(dot)com>,Luke Lonergan <LLonergan(at)greenplum(dot)com>,Adam Weisberg <Aweisberg(at)seiu1199(dot)org>,pgsql-performance(at)postgresql(dot)org
Subject: Re: Hardware/OS recommendations for large databases (
Date: 2005-11-16 14:35:23
Message-ID: 437B43AB.7050104@boreham.org (view raw or flat)
Thread:
Lists: pgsql-performance
Steve Wampler wrote:

>Joshua D. Drake wrote:
>  
>
>>The reason you want the dual core cpus is that PostgreSQL can only
>>execute 1 query per cpu at a time,...
>>    
>>
>
>Is that true?  I knew that PG only used one cpu per query, but how
>does PG know how many CPUs there are to limit the number of queries?
>
>  
>
He means only one query can be executing on each cpu at any particular 
instant.



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