There's another thread in the list started by Josh Berkus about poor performance with a similar kernel. I'd look that thread up and see if you and he have enough in common to work together on this. On Thu, Feb 21, 2013 at 2:59 AM, Mark Smith <smithmark662@xxxxxxxxx> wrote: > Hardware: IBM X3650 M3 (2 x Xeon X5680 6C 3.33GHz), 96GB RAM. IBM X3524 with > RAID 10 ext4 (noatime,nodiratime,data=writeback,barrier=0) volumes for > pg_xlog / data / indexes. > > Software: SLES 11 SP2 3.0.58-0.6.2-default x86_64, PostgreSQL 9.0.4. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance