Re: freebsd + postgresql 8.3.3 = 100% of cpu usage on stats collector?

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От Bill Moran
Тема Re: freebsd + postgresql 8.3.3 = 100% of cpu usage on stats collector?
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Msg-id 20080627183745.510e78d7.wmoran@collaborativefusion.com
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Ответ на Re: freebsd + postgresql 8.3.3 = 100% of cpu usage on stats collector?  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: freebsd + postgresql 8.3.3 = 100% of cpu usage on stats collector?  (hubert depesz lubaczewski <depesz@depesz.com>)
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On Fri, 27 Jun 2008 18:04:19 -0400
Tom Lane <tgl@sss.pgh.pa.us> wrote:

> hubert depesz lubaczewski <depesz@depesz.com> writes:
> > friend asked me to setup replication on their machines, and i noticed
> > that one of cpus (2 quad xeons) is used to 100%:
> > pgsql  58241 99.0  0.2 22456  7432  ??  Rs   Thu10AM 1530:35.93 postgres: stats collector process    (postgres)
>
> Hmm, we had some problems with the stats collector going nuts a couple
> of versions ago; maybe you've found another way to trigger that.
> Anything unusual about this DB (lots of tables, for instance)?
> Can you try strace and/or gdb to figure out what the collector is doing?

Just in case you're not a FreeBSD expert, it's ktrace on FreeBSD.  strace
is the Linux equivalent.

--
Bill Moran <wmoran@collaborativefusion.com>

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