| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Jeff Davis <pgsql(at)j-davis(dot)com> |
| Cc: | Dimi Paun <dimi(at)lattica(dot)com>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: What is postmaster doing? |
| Date: | 2010-10-20 20:26:14 |
| Message-ID: | 3615.1287606374@sss.pgh.pa.us |
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| Lists: | pgsql-performance |
Jeff Davis <pgsql(at)j-davis(dot)com> writes:
> On Wed, 2010-10-20 at 14:44 -0400, Dimi Paun wrote:
>> 23425 postgres 20 0 22008 10m 10m R 99.9 0.5 21:45.87 postmaster
>>
>> I'd like to figure out what it is doing. How can I figure out what
>> statement causes the problem?
> It seems strange that the postmaster is eating 99% cpu. Is there a
> chance that it's flooded with connection attempts?
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.
regards, tom lane
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