Beginning with Java SE 5.0 there is a cross-platform flag for requesting large memory pages: -XX:+UseLargePages (on by default for Solaris, off by default for Windows and Linux). The goal of large page support is to optimize processor Translation-Lookaside Buffers. A Translation-Lookaside Buffer (TLB) is a page translation cache that holds the most-recently used virtual-to-physical address transla
Oracle 10g Server on Red Hat® Enterprise Linux® 5 Deployment Recommendations Version 1.2 November 2008 Oracle 10g Server on Red Hat® Enterprise Linux® 5 Deployment Recommendations Copyright © 2008 by Red Hat, Inc. 1801 Varsity Drive Raleigh NC 27606-2072 USA Phone: +1 919 754 3700 Phone: 888 733 4281 Fax: +1 919 754 3701 PO Box 13588 Research Triangle Park NC 27709 USA "Red Hat," Red Hat Linux, th
Last week was JBoss World, and it was exciting to be a part of it. I gave a presentation on performance tuning our Enterprise Application Platform or EAP, and it was packed. In fact, people were sitting on the floor in pretty much all available space. What struck me about the presentation, and much of the discussion I had with individuals afterwards, is that JVM tuning is a big topic. So, I though
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