| From: | Gregory Stark <stark(at)enterprisedb(dot)com> |
|---|---|
| To: | "Jignesh K(dot) Shah" <J(dot)K(dot)Shah(at)Sun(dot)COM> |
| Cc: | "Greg Smith" <gsmith(at)gregsmith(dot)com>, "Simon Riggs" <simon(at)2ndquadrant(dot)com>, <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Benchmark Data requested |
| Date: | 2008-02-05 00:10:55 |
| Message-ID: | 873as85kkw.fsf@oxford.xeocode.com |
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| Lists: | pgsql-performance |
"Jignesh K. Shah" <J(dot)K(dot)Shah(at)Sun(dot)COM> writes:
> Then for the power run that is essentially running one query at a time should
> essentially be able to utilize the full system (specially multi-core systems),
> unfortunately PostgreSQL can use only one core. (Plus since this is read only
> and there is no separate disk reader all other processes are idle) and system
> is running at 1/Nth capacity (where N is the number of cores/threads)
Is the whole benchmark like this or is this just one part of it?
Is the i/o system really able to saturate the cpu though?
--
Gregory Stark
EnterpriseDB http://www.enterprisedb.com
Ask me about EnterpriseDB's On-Demand Production Tuning
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