On Fri, Jul 30, 2010 at 9:58 AM, Matthew Toseland <toad at amphibian.dyndns.org> wrote: > On Friday 30 July 2010 17:02:35 Cory Nelson wrote: >> I know that at least Windows lets you lock pages in RAM. ?Maybe Java >> has a launch option that does this? ?Even better would be to use large >> pages, which are more efficient (lowers overhead and TLB cache misses) >> and are also locked in RAM. > > No, not practical given java is garbage collected, and not supported anyway > afaik. Unless maybe some recent nio change?
Large pages seem to work with -XX:+UseLargePages Found here: http://www.oracle.com/technetwork/java/javase/tech/largememory-jsp-137182.html http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html -- Cory Nelson http://int64.org
