> PostgreSQL 9.1.6 on x86_64-unknown-linux-gnu, compiled by gcc (GCC) 4.4.6 > 20120305 (Red Hat 4.4.6-4), 64-bit First, you should be using the latest update version. You are currently missing multiple patch updates. > listen_addresses = '*' > port = 5433 > max_connections = 350 > shared_buffers = 8GB Try dropping shared_buffers to 2GB. We've seen some issues on certain systems with 8GB shared buffers. -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance