On 04/07/2015 11:07 AM, Mel Llaguno wrote: > Care to elaborate? We usually do not recommend specific kernel versions > for our customers (who run on a variety of distributions). Thanks, M. You should. http://www.databasesoup.com/2014/09/why-you-need-to-avoid-linux-kernel-32.html Performance is literally 2X to 5X different between kernels. -- 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