Re: Why is it not using the other processor?

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Doug McNaught <doug(at)wireboard(dot)com>
Cc: Linh Luong <linh(dot)luong(at)computalog(dot)com>, <pgsql-general(at)postgresql(dot)org>
Subject: Re: Why is it not using the other processor?
Date: 2001-07-05 16:23:40
Message-ID: Pine.LNX.4.30.0107051821350.677-100000@peter.localdomain
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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(at)gmx(dot)net http://funkturm.homeip.net/~peter

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