On Tue, 15 Aug 2006 12:47:54 -0600 "Carl Youngblood" <carl@xxxxxxxxxxxxxxx> wrote: > I tried setting it to 2GB and postgres wouldn't start. Didn't > investigate in much greater detail as to why it wouldn't start, but > after switching it back to 1GB it started fine. > > On 8/15/06, Jim C. Nasby <jnasby@xxxxxxxxxxxxx> wrote: > > See the recent thread about how old rules of thumb for > > shared_buffers are now completely bunk. With 4G of memory, setting > > shared_buffers to 2G could easily be reasonable. The OP really > > needs to test several different values with their actual workload > > and see what works best. Sounds like you need to increase your kernel's maximum amount of shared memory. This is typically why an increase in shared_buffers causes PostgreSQL not to start. Check out this page in the docs for more information: http://www.postgresql.org/docs/8.1/static/kernel-resources.html --------------------------------- Frank Wiles <frank@xxxxxxxxx> http://www.wiles.org ---------------------------------
