Tom Lane wrote:
> You might try the attached patch (which I just applied to HEAD).
> It cuts down the number of acquisitions of the BufMgrLock by merging
> adjacent bufmgr calls during a GIST index search. [...]

Thanks - I applied it successfully against 8.0.0, but it didn't seem to
have a noticeable effect. I'm still seeing more or less exactly 25% CPU
usage by postgres processes and identical query times (measured with the
Perl script I posted earlier).

Regards,
Marinos
--
Dipl.-Ing. Marinos Yannikos, CEO
Preisvergleich Internet Services AG
Obere Donaustrasse 63, A-1020 Wien
Tel./Fax: (+431) 5811609-52/-55

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