Re: Performance issue with 8.2.3 - "C" application - Mailing list pgsql-performance

From Tom Lane
Subject Re: Performance issue with 8.2.3 - "C" application
Date
Msg-id 122.1185333906@sss.pgh.pa.us
Whole thread Raw
In response to Re: Performance issue with 8.2.3 - "C" application  (Karl Denninger <karl@denninger.net>)
Responses Re: Performance issue with 8.2.3 - "C" application  (Karl Denninger <karl@denninger.net>)
List pgsql-performance
Karl Denninger <karl@denninger.net> writes:
> Hmmmmm..... now that's interesting.  Stats collector IS accumulating
> quite a bit of runtime..... me thinks its time to go grab 8.2.4.

I think Merlin might have nailed it --- the "stats collector bug" is
that it tries to write out the stats file way more often than it
should.  So any excessive userland CPU time you see is just the tip
of the iceberg compared to the system and I/O costs incurred.

            regards, tom lane

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