Date: Thu, 04 Sep 2003 14:02:24 +0200 From: Sheldon Hearn <sheldonh@starjuice.net> To: Antony T Curtis <antony@abacus.co.uk> Cc: freebsd-java@freebsd.org Subject: Re: FreeBSD vs Windows 2000 "Advanced" Server Message-ID: <97454.1062676944@axl.seasidesoftware.co.za> In-Reply-To: Your message of "Thu, 28 Aug 2003 15:55:47 %2B0200." <20030828135547.GN83970@starjuice.net>
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On Thu, 28 Aug 2003 15:55:47 +0200, Sheldon Hearn wrote: > I can get about the same number of threads running on a single-CPU box > with no service pack. So I've narrowed it down to either broken > Hyperthreading (HTT) support in Windows 2000, or a problem with service > pack 3 or 4. As it turns out, the evidence that led me to believe that FreeBSD Java support outscaled Windows 2000's was off. Windows 2000 comes with terrible out-of-the-box defaults, plus I made a naive configuration change early on without understanding the consequences. In fact, we found that 2,000 siumultaneous Tomcat processors was impossible to support on FreeBSD 4.8-STABLE, and unworkably slow on FreeBSD 5.1-CURRENT (native jdk1.4.1p3 in both cases). What I got wrong with the Windows 2000 installation: http://starjuice.blogspot.com/2003_09_01_starjuice_archive.html#106249959878214319 Why I wouldn't recommend FreeBSD Java for heavily threaded applications yet: http://starjuice.blogspot.com/2003_09_01_starjuice_archive.html#106267661433883916 Ciao, Sheldon.
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