Re: stats collector process high CPU utilization - Mailing list pgsql-performance

From Tom Lane
Subject Re: stats collector process high CPU utilization
Date
Msg-id 29832.1171036557@sss.pgh.pa.us
Whole thread Raw
In response to Re: stats collector process high CPU utilization  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: stats collector process high CPU utilization  (Benjamin Minshall <minshall@intellicon.biz>)
List pgsql-performance
I wrote:
> Alvaro Herrera <alvherre@commandprompt.com> writes:
>> Regarding temp tables, I'd think that the pgstat entries should be
>> getting dropped at some point in both releases.  Maybe there's a bug
>> preventing that in 8.2?

> Hmmm ... I did rewrite the backend-side code for that just recently for
> performance reasons ... could I have broken it?

I did some testing with HEAD and verified that pgstat_vacuum_tabstat()
still seems to do what it's supposed to, so that theory falls down.

Alvaro, could you send Benjamin your stat-file-dumper tool so we can
get some more info?  Alternatively, if Benjamin wants to send me a copy
of his stats file (off-list), I'd be happy to take a look.

            regards, tom lane

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