On Mon, Feb 22, 2016 at 9:05 PM, Joshua D. Drake <jd@xxxxxxxxxxxxxxxxx> wrote: > On 02/22/2016 07:41 PM, Scott Marlowe wrote: > >>> I'm running a CentOS 6.6 with Kernel 2.6.32-504.el6 >>> >>> Is it possible to upgrade to the 3.13 version using Centos 6.6? (I think >>> only in Centos 7) >>> Is so, can you please provide me any link that shows a IO improvement >>> between two kernels? something that I can study >> >> >> It has been many years since I took care of a Centos box, but in this >> article by Josh Berkus about avoiding kernel 3.2 it is mentioned that >> centos 7 can in fact run 3.10 kernel. >> >> >> http://www.databasesoup.com/2014/09/why-you-need-to-avoid-linux-kernel-32.html > > > It isn't just 3.2. You should avoid 3.2-3.8. 2.6 is fine. I wouldn't say 2.6 is fine, but it is better than 3.2 through 3.8. But it still has plenty of performance issues under load that 3.11 and up addressed for me. -- To understand recursion, one must first understand recursion. -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin