Re: JVM performance on Linux (vs. Solaris/Windows)

From: David S. Miller
Date: Thu Apr 13 2006 - 16:24:10 EST


From: "Martin J. Bligh" <mbligh@xxxxxxxxxx>
Date: Thu, 13 Apr 2006 08:56:49 -0700

> SpecJBB is a really frigging stupid benchmark. It's *much* more affected
> by the stupid crap in Java (like their locking model) than anything in the
> OS.
>
> Best to find another benchmark, oh and preferably somebody vaguely
> objective to run it ;-)

This may be true, but on a more serious note someone should check
to make sure Sun turned on hugepage support in the JVM under Linux.

That is one thing that helps this benchmark out enormously, so if
hugepages are disabled you might as well ignore the result.
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