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https://issues.apache.org/jira/browse/HIVE-10737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14548279#comment-14548279
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Gopal V commented on HIVE-10737:
--------------------------------
[~sseth]: No, this is nearly arbitrary on some of the app masters, not all of
them are crashing.
What's strange is that the 2nd attempt is not coming back up either during
recovery.
Will attach a debugger and trace through soon.
> LLAP: task scheduler thread-count keeps growing
> -----------------------------------------------
>
> Key: HIVE-10737
> URL: https://issues.apache.org/jira/browse/HIVE-10737
> Project: Hive
> Issue Type: Sub-task
> Reporter: Gopal V
> Assignee: Siddharth Seth
>
> LLAP AppMasters die with
> {code}
> 2015-05-17 20:22:44,513 FATAL [Thread-97] yarn.YarnUncaughtExceptionHandler:
> Thread Thread[Thread-97,5,main] threw an Error. Shutting down now...
> java.lang.OutOfMemoryError: unable to create new native thread
> at java.lang.Thread.start0(Native Method)
> at java.lang.Thread.start(Thread.java:714)
> at
> java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:950)
> at
> java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1357)
> at
> java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134)
> at
> java.util.concurrent.Executors$DelegatedExecutorService.submit(Executors.java:681)
> at
> org.apache.tez.dag.app.rm.TaskSchedulerAppCallbackWrapper.taskAllocated(TaskSchedulerAppCallbackWrapper.java:60)
> at
> org.apache.tez.dag.app.rm.LocalTaskSchedulerService$AsyncDelegateRequestHandler.allocateTask(LocalTaskSchedulerService.java:410)
> at
> org.apache.tez.dag.app.rm.LocalTaskSchedulerService$AsyncDelegateRequestHandler.processRequest(LocalTaskSchedulerService.java:394)
> at
> org.apache.tez.dag.app.rm.LocalTaskSchedulerService$AsyncDelegateRequestHandler.run(LocalTaskSchedulerService.java:386)
> at java.lang.Thread.run(Thread.java:745)
> {code}
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