Re: Why is it not using the other processor? - Mailing list pgsql-general

From Peter Eisentraut
Subject Re: Why is it not using the other processor?
Date
Msg-id Pine.LNX.4.30.0107051821350.677-100000@peter.localdomain
Whole thread Raw
In response to Why is it not using the other processor?  (Linh Luong <linh.luong@computalog.com>)
List pgsql-general
Doug McNaught writes:

> But thre answer to his question is that a single query will use at
> most 1 CPU, since each backend is a single process.  Multiple
> simultaneous queries will of course use all available CPUs on a
> properly-setup system.

It's a quality of implementation issue.  An operating system could
theoretically support running one process on more than one CPU, but
needless to say it would be tricky.

--
Peter Eisentraut   peter_e@gmx.net   http://funkturm.homeip.net/~peter


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