On Mon, Nov 3, 2008 at 11:30 AM, Jason Long <mailing.list@xxxxxxxxxxxxxxxxxxxxx> wrote: > I am running PostgreSQL 8.3.4 on Centos 5.2 with a single Xeon 5472, 1600 > MHz, 12 MB cache, 3.0 GHz quad core, and 4 GB RAM. > > My database is only about 50 MB and there are only about 20 users. > > For some reason Postgres is pegging my CPU and I can barely log on to reboot > the machine. After reboot all is well for another week or so, but this > brings the system to a grinding halt. > > What is the best way to debug this? > Can I limit Postgres to a certain number of cores or set the timeout on the > queries to a lower value? Best way I've found it to keep track of the server over a period of time. nagios and mrtg are your friends here. You can use some more primitive methods, like ps ax|grep postgres|wc -l to see how many postgres backends are running. You need to figure out exactly what's happening to the machine before it dies, but as its approaching that point. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general