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From: "Arne H. Juul" <arnej@pvv.ntnu.no>
To: Nikos Ntarmos <ntarmos@ceid.upatras.gr>
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Cc: freebsd-java@freebsd.org
Subject: Re: Performance of Java on FBSD vs. others...
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> I was using -Xms256m -Xmx1024m. Tried with -Xms1024m -Xmx1024m, again
> without any noticeable difference.

What's "top" look like after running this for a minute or two?
You said you had 1G = 1024MB of RAM; trying to have a heap of 1024m
you may be swapping like crazy, if so try with 600m to 800m.

   -  Arne H. J.