On 10/10/2012 09:35 AM, Strahinja Kustudić wrote:
#sysctl vm.dirty_ratio vm.dirty_ratio = 40 # sysctl vm.dirty_background_ratio vm.dirty_background_ratio = 10
Ouuuuch. That looks a lot like an old RHEL or CentOS system. Change those ASAP. Currently your system won't start writing dirty buffers until it hits 9.6GB. :(
shows that these values are even higher by default. When you said RAID buffer size, you meant the controllers cache memory size?
Yeah, that. :) -- Shaun Thomas OptionsHouse | 141 W. Jackson Blvd. | Suite 500 | Chicago IL, 60604 312-444-8534 stho...@optionshouse.com ______________________________________________ See http://www.peak6.com/email_disclaimer/ for terms and conditions related to this email -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
