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Re: [GENERAL] PG quitting sporadically!!

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Greg Smith <gsmith(at)gregsmith(dot)com>
Cc: Phoenix Kiula <phoenix(dot)kiula(at)gmail(dot)com>, PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: [GENERAL] PG quitting sporadically!!
Date: 2008-02-16 21:12:18
Message-ID: 200802162112.m1GLCIf07638@momjian.us (view raw or flat)
Thread:
Lists: pgsql-generalpgsql-patches
Greg Smith wrote:
> On Thu, 14 Feb 2008, Phoenix Kiula wrote:
> 
> > Suddenly, the postmaster either hogs up memory or just croaks and 
> > doesn't respond. The write process has become horribly slow.
> 
> You should consider whether that's because a checkpoint is happening at 
> that point.  You didn't mention anything about your disk+controller 
> information to have an idea how likely that is.  Consider increasing 
> checkpoint_warning=3600 so that you'll always get a note in the logs when 
> a checkpoint happens; if those line up with your client disconnects that 
> will be telling you something.

Oh, that is a creative use to get checkpoint_warning to log all
checkpoints.  I have added a documentation mention about that.

-- 
  Bruce Momjian  <bruce(at)momjian(dot)us>        http://momjian.us
  EnterpriseDB                             http://postgres.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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