Message-ID: <49106CEE.7020204@shopzeus.com>
Date: Tue, 04 Nov 2008 16:40:30 +0100
From: Laszlo Nagy <gandalf@shopzeus.com>
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To: Tom Lane <tgl@sss.pgh.pa.us>, pgsql-admin@postgresql.org
Subject: Re: rebellious postgres process
References: <490FFCF4.2050500@shopzeus.com> <16117.1225804625@sss.pgh.pa.us>
In-Reply-To: <16117.1225804625@sss.pgh.pa.us>
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Tom Lane wrote:
> Laszlo Nagy <gandalf@shopzeus.com> writes:
>   
>> The processi is using 100% CPU for 52 hours! Here it is:
>>     
>
>   
>> %ps axl | grep 677
>>   70   677   666 757 107  0 22396  5460 select Rs    ??  3144:50.88 
>> postgres: stats collector process    (postgres)
>>     
>
> Huh, that's weird.  We've fixed some bugs in the past that led the stats
> collector to consume excessive CPU --- but that was all pre-8.3.
>   
My version is 8.3.3. Complied from FreeBSD ports.  I just updated my 
ports tree and that is the most up to date officially (sup)ported version.

The process is still running:


  PID USERNAME       THR PRI NICE   SIZE    RES STATE  C   TIME   WCPU 
COMMAND
  904 pgsql            1 105    0 22396K  5428K CPU1   1 856:13 99.02% 
postgres

> Do you have a whole lot of tables in this database?  
One database has 140 tables, the other has 62. (There are two other 
database instances but they are rarely used.)
> (Or even more directly: how large is $PGDATA/global/pgstat.stat ?)
>   
-rw-------  1 pgsql  pgsql  54536 Nov  3 20:11 pgstat.stat

Thanks,

    Laszlo