Re: a tiny question

From: Neil Conway <neilc(at)samurai(dot)com>
To: "Luis Alberto Amigo Navarro" <lamigo(at)atc(dot)unican(dot)es>
Cc: <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: a tiny question
Date: 2002-11-05 15:47:06
Message-ID: 873cqgf285.fsf@mailbox.samurai.com
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"Luis Alberto Amigo Navarro" <lamigo(at)atc(dot)unican(dot)es> writes:
> When we improve seq scans, systems scales well up to 8 cpus.When we improve index
> scan, query performance increase but system stops scaling at about 4 proccessors,
> profiling shows that it is due to increased memory contention

What do you mean by "memory contention"?

Cheers,

Neil

--
Neil Conway <neilc(at)samurai(dot)com> || PGP Key ID: DB3C29FC

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