Again very little information to work with but I would start with looking at postgres logs. you should enable checkpoint_timeout to a very high number, so you have an entry in the log anytime checkpoint occurs and set your log_min_duration_statement to number which your considered to be long running, to log all slower statement.
Chirag Dave DBA, Afilias On Wed, Oct 8, 2008 at 8:31 AM, Rafael Domiciano <[EMAIL PROTECTED] > wrote: > The server is running Postgres 8.2.4When the server is doing too much > operations like I, U or D the postgres stop a while each 5 min...! > I mean "stopping" that I don't receive any response from postgres, and the > process the all people are running stay there, waiting for something. > I read a several names to it like: gap, stall, slowdown... I don't know the > write expression for this situation. > > I hope you can help me. > > Thnks, > > Rafael Domiciano > Postgres DBA > > 2008/10/7 <[EMAIL PROTECTED]> > > What version of postgres are you running ? and please also provide more >> information about your suspected slowdown ? >> >> >> >> >> >> On Tue, Oct 7, 2008 at 4:21 PM, Rafael Domiciano < >> [EMAIL PROTECTED]> wrote: >> >>> Hello there, >>> I'm having some slowndowns in my postgresql server, and I had been >>> reading something about checkpoints, that could resolve my problem. >>> Now, I have: >>> checkpoint_segments = 30 # in logfile segments, min 1, >>> 16MB each >>> #checkpoint_timeout = 5min >>> >>> And I percebed that this slowndown is occuring for 5 min...! So I'm >>> suposing that the problem is in the checkpoint_timeout. >>> >>> What's the impact to chang it to: >>> checkpoint_timeout = 2min or >>> checkpoint_timeout = 5min >>> >>> Tnhks, >>> >>> Rafael Domiciano >>> >> >> >
