Hi Toni,

What I see in the trace you sent is that you spend more than 99% of your cpu time in networking (sockets):
  1 32.92% 32.92% 1456620 300542 java.net.SocketInputStream.socketRead0
  2 30.25% 63.17% 1338232 300423 java.net.PlainSocketImpl.socketAccept
  3 10.98% 74.15%  485902 300655 java.net.PlainDatagramSocketImpl.receive0
  4 10.97% 85.11%  485178 300683 java.net.SocketInputStream.socketRead0
  5 10.96% 96.08%  485107 300687 java.net.SocketInputStream.socketRead0
  6  2.72% 98.80%  120403 300884 java.net.PlainDatagramSocketImpl.receive0
  7  0.18% 98.97%    7763 300902 java.net.SocketInputStream.socketRead0
  8  0.14% 99.11%    6078 300716 java.net.SocketInputStream.socketRead0

You might have a group communication or network configuration problem but it just looks like networking to me!

Keep us posted with your progress,
Emmanuel

I have done some load tests with my application which works with JBOSS + Sequoia + MySQL, and sequoia takes lots of cpu and so the applications goes with very low performace, Look results hperf !!! Can you tell me something about this results ?
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Emmanuel Cecchet
FTO @ Frog Thinker Open Source Development & Consulting
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Web: http://www.frogthinker.org
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Skype: emmanuel_cecchet

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