From owner-freebsd-questions@FreeBSD.ORG Tue Jan 5 08:07:13 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 675421065693 for ; Tue, 5 Jan 2010 08:07:13 +0000 (UTC) (envelope-from simon@olofsson.de) Received: from mail.bytecamp.net (mail.bytecamp.net [212.204.60.9]) by mx1.freebsd.org (Postfix) with ESMTP id AEED38FC0C for ; Tue, 5 Jan 2010 08:07:12 +0000 (UTC) Received: (qmail 90210 invoked by uid 89); 5 Jan 2010 08:40:31 +0100 Received: from unknown (HELO ?172.30.3.33?) (postmaster%olofsson.de@91.199.241.6) by mail.bytecamp.net with CAMELLIA256-SHA encrypted SMTP; 5 Jan 2010 08:40:31 +0100 From: Simon Olofsson To: Greg Lewis In-Reply-To: <20100104222849.GA17741@misty.eyesbeyond.com> References: <775261.19437.qm@web51107.mail.re2.yahoo.com> <20100104222849.GA17741@misty.eyesbeyond.com> Content-Type: text/plain; charset="UTF-8" Date: Tue, 05 Jan 2010 08:40:31 +0100 Message-ID: <1262677231.3031.3.camel@lua> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 Content-Transfer-Encoding: 7bit Cc: Dino Vliet , freebsd-questions@freebsd.org Subject: Re: tweak FreeBSD 8 for optimal java/weka performance X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Jan 2010 08:07:13 -0000 On Mon, 2010-01-04 at 14:28 -0800, Greg Lewis wrote: > On Mon, Jan 04, 2010 at 06:54:22AM -0800, Dino Vliet wrote: > > Are there any other tweaks I should think of to get as much RAM for > > my java programs? > > IIRC there is an option to tell the JVM to use as much RAM as possible, > but I don't recall it off the top of my head. There should be some docs > on this on the main Java site at Sun and they will be equally relevant to > FreeBSD as they are to any other OS. http://java.sun.com/javase/technologies/performance.jsp is a good starting point. There are many articles and books available for maximizing Java performance. Maybe the weka people also have some advice. Regards Simon