On 02/18/2013 08:28 PM, Mark Kirkwood wrote: > Might be worth looking at your vm.dirty_ratio, vm.dirty_background_ratio > and friends settings. We managed to choke up a system with 16x SSD by > leaving them at their defaults... Yeah? Any settings you'd recommend specifically? What did you use on the SSD system? -- 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