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  1. Application Server 3 4 5 and 6
  2. JBAS-9526

High CPU with lots of Waiting threads on JIoEndpoint$Worker on version 5.0.1

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    Details

    • Type: Feature Request
    • Status: Open (View Workflow)
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: None
    • Labels:
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      Description

      High CPU with lots of Waiting threads on JIoEndpoint$Worker on version 5.0.1

      • Running a 100 user load test on JBoss 5.0.1.
      • Getting High CPU
      • Analyzed thread dumps and found almost 50-60% threads are waiting as per below snippet\
        Thread Name : http-0.0.0.0-8080-8 State : in Object.wait() Java Stack at java.lang.Object.wait(Native Method) - waiting on [0x24d875d0] (a org.apache.tomcat.util.net.JIoEndpoint$Worker) at java.lang.Object.wait(Object.java:485) at org.apache.tomcat.util.net.JIoEndpoint$Worker.await(JIoEndpoint.java:416) - locked [0x24d875d0] (a org.apache.tomcat.util.net.JIoEndpoint$Worker) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:442) at java.lang.Thread.run(Thread.java:662)

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            Assignee:
            Unassigned Unassigned
            Reporter:
            khanna.s shikhar khanna (Inactive)
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              Dates

              Created:
              Updated: