On Sun, Jun 19, 2011 at 12:56, Radosław Smogura <rsmog...@softperience.eu> wrote: > I want to implement hugepages for shared memory
Hi, Have you read this post by Tom Lane about the performance estimation and a proof-of-concept patch with hugepages? http://archives.postgresql.org/pgsql-hackers/2010-11/msg01842.php It's possible that there was a flaw in his analysis, but his conclusion is that it's not worth it: > And the bottom line is: if there's any performance benefit at all, > it's on the order of 1%. The best result I got was about 3200 TPS > with hugepages, and about 3160 without. The noise in these numbers > is more than 1% though. Regards, Marti -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
