Bruce, Unfortunately not. The behavior I had was ebbs and flows. On FreeBSD, I was seeing a lot of kernel wait states in top. So every few minutes, responsiveness of the db was pretty bad. 8.4.4/amd64 on FreeBSD 7.2 > -----Original Message----- > From: Bruce Momjian [mailto:bruce@xxxxxxxxxx] > Sent: Monday, June 28, 2010 3:45 PM > To: Benjamin Krajmalnik > Cc: Rajesh Kumar Mallah; Kevin Grittner; pgsql- > performance@xxxxxxxxxxxxxx > Subject: Re: cpu bound postgresql setup. > > Benjamin Krajmalnik wrote: > > Rajesh, > > > > I had a similar situation a few weeks ago whereby performance all of > a > > sudden decreased. > > The one tunable which resolved the problem in my case was increasing > the > > number of checkpoint segments. > > After increasing them, everything went back to its normal state. > > Did you get a db server log message suggesting in increasing that > setting? I hope so. > > -- > Bruce Momjian <bruce@xxxxxxxxxx> http://momjian.us > EnterpriseDB http://enterprisedb.com > > + None of us is going to be here forever. + -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance