Hi Reza, vm.dirty_bytes indeed makes sense, but just in case: how exactly is your ext4 mount? Particularly, have you disabled barrier? Ilya On Thu, Apr 3, 2014 at 8:11 PM, Reza Taheri <rtaheri@xxxxxxxxxx> wrote: >> Try setting the vm.dirty_bytes sysctl. Something like 256MB might be a good >> starting point. -- Ilya Kosmodemiansky, PostgreSQL-Consulting.com tel. +14084142500 cell. +4915144336040 ik@xxxxxxxxxxxxxxxxxxxxxxxxx -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
