[jboss-jira] [JBoss JIRA] (JBAS-9526) High CPU with lots of Waiting threads on JIoEndpoint$Worker on version 5.0.1

[shikhar khanna (JIRA)]

     [ https://issues.jboss.org/browse/JBAS-9526?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

shikhar khanna updated JBAS-9526:
---------------------------------

    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)



    
> High CPU with lots of Waiting threads on JIoEndpoint$Worker on version 5.0.1
> ----------------------------------------------------------------------------
>
>                 Key: JBAS-9526
>                 URL: https://issues.jboss.org/browse/JBAS-9526
>             Project: Application Server 3  4  5 and 6
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>            Reporter: shikhar khanna
>
> High CPU with lots of Waiting threads on JIoEndpoint$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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