Re: [GENERAL] UPDATES hang every 5 minutes

2007-08-09 Thread Marc Rossi
Thanks for all the replies. As of right now I think I have it narrowed down to checkpoints based on the iostat activity I see when the hangs occur as well as the checkpoint_timeout defaulting to 5 min. I've upped checkpoint_warnings to 3600 to confirm but also made a few other changes. I move

Re: [GENERAL] UPDATES hang every 5 minutes

2007-08-10 Thread Marc Rossi
Ok, partial day results. Looks like my changes have not solved the problem, just spread it out a little more (as would be expected based on your responses). The delays are now shorter (about half) but occur more frequently (maybe 1x / minute). The params I used are: bgwriter_lru_percent = 5.

Re: [GENERAL] UPDATES hang every 5 minutes

2007-08-10 Thread Marc Rossi
pointing a little more often with less data? (right now I hit the checkpoint_timeout). Thanks again, Marc - Original Message From: Greg Smith <[EMAIL PROTECTED]> To: Marc Rossi <[EMAIL PROTECTED]> Cc: pgsql-general@postgresql.org Sent: Friday, August 10, 2007 2:36:28 AM Subje