[jboss-user] [Performance Tuning] - Re: Cpu 100% and GC is running

[sreenivas arumilli]

sreenivas arumilli [https://community.jboss.org/people/arumilli] created the discussion

"Re: Cpu 100% and GC is running"

To view the discussion, visit: https://community.jboss.org/message/722414#722414

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Thanks for your response.I gone on vacation and cam back yesterday..
I have taken the thread dumps before and after the thread increase and able to see the followin components are using the threads.

"ajp-192.168.100.40-8009-199" - Thread t at 629
   java.lang.Thread.State: TIMED_WAITING on EDU.oswego.cs.dl.util.concurrent.QueuedSemaphore$WaitQueue$WaitNode at 5fc784ce
        at java.lang.Object.wait(Native Method)
        at EDU.oswego.cs.dl.util.concurrent.QueuedSemaphore$WaitQueue$WaitNode.doTimedWait(QueuedSemaphore.java:123)
        at EDU.oswego.cs.dl.util.concurrent.QueuedSemaphore.attempt(QueuedSemaphore.java:47)
        at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:181)
        at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$BasePool.getConnection(JBossManagedConnectionPool.java:613)
        at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:347)
        at org.jboss.resource.connectionmanager.TxConnectionManager.getManagedConnection(TxConnectionManager.java:330)
        at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:402)
        at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:849)
        at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:89)
        at atg.service.jdbc.SwitchingDataSource.getConnection(SwitchingDataSource.java:761)
        at atg.adapter.gsa.GSATransaction.getConnection(GSATransaction.java:725)
        at atg.adapter.gsa.GSAItemDescriptor.getConnection(GSAItemDescriptor.java:2364)
        at atg.adapter.gsa.GSAItemDescriptor.executeQuery(GSAItemDescriptor.java:7335)


I searched in google but haven't found much information. Anyone has any idea on it.
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