Re: [gentoo-java] Application server for JEE

[gnul <nullchar@gmail.com>]

On 10/10/06, David Herron <David.Herron@sun.com> wrote:
> Because we, at Sun, don't test on Gentoo some on the
> team were (and are) worried that some niggling incompatibility at the
> Linux level might cause a behavior difference in Java.

This statement arouses my curiosity.  It seems that because you can
"tweak the Linux level" (meaning: tweak the underlying OS libraries
and kernel), one would want to test java (compiler and JVM) on this
platform.

As part of a test suite, you could try and hinder the performance of a
JVM by modifying compiler flags and kernel parameters.  On the same
token, you could try and maximize the performance (for various goals)
of a JVM by different modifications.

Then, with these results, a sort of performance matrix could be
created showing the particular kernel parameters against various
performance goals (such as flops, or graphics, or EE beans, or servlet
load, etc).

I am not suggesting Sun should do this work, but I am suggesting that
Gentoo seems to be an ideal platform (on any/all supported hardware)
to "tune" java to maximum performance, depending on one's goals.

  -gnul
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