From: | Víctor Romero <romero(at)kde(dot)org> |
---|---|
To: | Lamar Owen <lamar(dot)owen(at)wgcr(dot)org>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Pg on SMP half-powered |
Date: | 2001-07-08 11:37:26 |
Message-ID: | 200107081137.f68BbXa68214@postgresql.org |
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Lists: | pgsql-hackers |
El Sábado 07 Julio 2001 16:36, Lamar Owen escribió:
> On Thursday 05 July 2001 10:51, Víctor Romero wrote:
> > I am running postgresql 7.1 on a SMP Linux box. It runs, but it never
> > pass a loadavg of 0.4, no matter how I try to overload the system.
> >
> > The same configuration, the same executable, the same test on a non-SMP
> > machine gives a loadavg of 19.
>
> Sounds like a kernel issue.
>
> However, the load average numbers alone are not enough information to get a
> benchmark. You need to benchmark using a benchmark that can generate
> enough traffic to load both machines and get good time results for the run
> of the standard benchmark queries.
Now Im at home... as soon as I get office again Ill send you the little script benchs I wrote, I think them genetares enough traffic because if I throw more than 400 threads the postmaster start to fail...
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