Hi,
could you please upgrade to the most recent jetty version and report
back if that has fixed the problem? Some bugs causing cpu spins like
this have been fixed since 7.6.0.
http://download.eclipse.org/jetty/
Cheers,
Thomas
On 3/5/12 5:16 PM, kim young ill wrote:
Hi there,
after running for 2 days, we have suddenly high cpu (permanent 100%),
even there's no traffic, cpu usage wouldnt go down even there's no
traffic.
env:
jetty 7.6.0 (embedded)
linux 64bit (opensuse, kernel 2.6.37.1-1.2
oracle-jdk 1.6.0.31
from jconsole i got these 2 threads, each use 50-60% cpu:
sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:210)
sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:65)
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69)
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80)
org.eclipse.jetty.io.nio.SelectorManager$SelectSet.doSelect(SelectorManager.java:564)
org.eclipse.jetty.io.nio.SelectorManager$1.run(SelectorManager.java:285)
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:599)
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:534)
java.lang.Thread.run(Thread.java:662)
sun.nio.ch.EPollArrayWrapper.interrupt(Native Method)
sun.nio.ch.EPollArrayWrapper.interrupt(EPollArrayWrapper.java:256)
sun.nio.ch.EPollSelectorImpl.wakeup(EPollSelectorImpl.java:175)
org.eclipse.jetty.io.nio.SelectorManager$SelectSet.wakeup(SelectorManager.java:817)
org.eclipse.jetty.io.nio.SelectChannelEndPoint.updateKey(SelectChannelEndPoint.java:520)
org.eclipse.jetty.io.nio.SelectChannelEndPoint.close(SelectChannelEndPoint.java:698)
org.eclipse.jetty.io.nio.SslConnection.process(SslConnection.java:377)
org.eclipse.jetty.io.nio.SslConnection.access$900(SslConnection.java:43)
org.eclipse.jetty.io.nio.SslConnection$SslEndPoint.flush(SslConnection.java:718)
org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:85)
org.eclipse.jetty.io.nio.SslConnection.handle(SslConnection.java:191)
org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:609)
org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:45)
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:599)
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:534)
java.lang.Thread.run(Thread.java:662)
any hints ?
thanx
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--
thomas becker
[email protected]
http://webtide.com / http://intalio.com
(the folks behind jetty and cometd)
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