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Re: a tiny question - Mailing list pgsql-hackers

From Neil Conway
Subject Re: a tiny question
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Msg-id 873cqgf285.fsf@mailbox.samurai.com
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In response to a tiny question  ("Luis Alberto Amigo Navarro" <lamigo@atc.unican.es>)
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"Luis Alberto Amigo Navarro" <lamigo@atc.unican.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@samurai.com> || PGP Key ID: DB3C29FC

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