There're several non-English phrases which seem to be links. But when I clicked on them, there was no response.
Can you give the links in URL ? Cheers > On Jan 5, 2015, at 2:39 AM, Serega Sheypak <[email protected]> wrote: > > Hi, I'm still trying to deal with apache tomcat web-app and hbase HBase > 0.98.6 > The root problem is that user threads constantly grows. I do get thousands of > live threads on tomcat instance. Then it dies of course. > > please see visualVM threads count dynamics > > > Please see selected thread. It should be related to zookeeper (because of > thread-name suffix SendThread) > > > > The threaddump for this thread is: > > "visit-thread-27799752116280271-EventThread" - Thread t@75 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <34671cea> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043) > at > java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) > at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:494) > > Locked ownable synchronizers: > - None > > Why does it live "forever"? I next 24 hours I would get ~1200 live theads. > > "visit thread" does simple put/get by key, newrelic says it takes 30-40 ms to > respond. > I just set a name for the thread inside servlet method. > > Here is CPU profiling result: > > > Here are some Zookeeper metrics. > >
