On 08/20/2014 02:13 PM, Josh Berkus wrote:
So we're definitely back to "If you're using PostgreSQL, turn off Hyperthreading".
That's so strange. Back when I did my Nehalem tests, we got a very strong 30%+ increase by enabling HT. We only got a hit when we turned off turbo, or forgot to disable power saving features.
-- Shaun Thomas OptionsHouse, LLC | 141 W. Jackson Blvd. | Suite 800 | Chicago IL, 60604 312-676-8870 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
