| From: | "J(dot) Roeleveld" <joost(at)antarean(dot)org> |
|---|---|
| To: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Overusing 1 CPU |
| Date: | 2010-06-02 11:48:21 |
| Message-ID: | 201006021348.21572.joost@antarean.org |
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| Lists: | pgsql-performance |
On Wednesday 02 June 2010 13:37:37 Mozzi wrote:
> Hi
>
> Thanx mate Create Index seems to be the culprit.
> Is it normal to just use 1 cpu tho?
If it is a single-threaded process, then yes.
And a "Create index" on a single table will probably be single-threaded.
If you now start a "create index" on a different table, a different CPU should
be used for that.
>
> Mozzi
>
> On Wed, 2010-06-02 at 12:24 +0100, Matthew Wakeling wrote:
> > On Wed, 2 Jun 2010, Mozzi wrote:
> > > This box is basically adle @ the moment as it is still in testing yet
> > > top shows high usage on just 1 of the cores.
> >
> > First port of call: What process is using the CPU? Run top on a fairly
> > wide terminal and use the "c" button to show the full command line.
> >
> > Matthew
>
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