| From: | Dimi Paun <dimi(at)lattica(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Jeff Davis <pgsql(at)j-davis(dot)com>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: What is postmaster doing? |
| Date: | 2010-10-20 20:39:33 |
| Message-ID: | 1287607173.18151.75.camel@dimi.lattica.com |
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| Thread: | |
| Lists: | pgsql-performance |
On Wed, 2010-10-20 at 16:26 -0400, Tom Lane wrote:
> > It seems strange that the postmaster is eating 99% cpu. Is there a
> > chance that it's flooded with connection attempts?
Maybe, I'll try to figure that one out next time it happens.
> It's probably a backend process, not the postmaster --- I suspect the
> OP is using a version of ps that only tells you the original process
> name by default. "ps auxww" or "ps -ef" (depending on platform)
> is likely to be more informative. Looking into pg_stat_activity,
> even more so.
I'm running CentOS 5.5, using procps-3.2.7-16.el5. I cannot check
more at this point as postmaster seems to have finished whatever it
was doing, but I'll try to investigate better next time.
--
Dimi Paun <dimi(at)lattica(dot)com>
Lattica, Inc.
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