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https://issues.apache.org/jira/browse/HBASE-22881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16954537#comment-16954537
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Xiaolin Ha commented on HBASE-22881:
------------------------------------
"pool-8-thread-6" #86205 prio=5 os_prio=0 tid=0x00007fc7e80ab6d0 nid=0x61c8
waiting on condition [0x00007fc6d22b1000]
"pool-8-thread-5" #86204 prio=5 os_prio=0 tid=0x00007fc7ec2d7890 nid=0x61c7
waiting on condition [0x00007fc6d22f2000]
"pool-8-thread-4" #86202 prio=5 os_prio=0 tid=0x00007fc7f0135620 nid=0x61c6
waiting on condition [0x00007fc6d2333000]
"pool-5-thread-6" #86201 prio=5 os_prio=0 tid=0x00007fc7781ba860 nid=0x61c5
waiting on condition [0x00007fc6d4804000]
"pool-5-thread-5" #86200 prio=5 os_prio=0 tid=0x00007fc7781b9fd0 nid=0x61c4
waiting on condition [0x00007fc6d35fd000]
"pool-5-thread-4" #86199 prio=5 os_prio=0 tid=0x00007fc7781fbf80 nid=0x61c3
waiting on condition [0x00007fc6d51eb000]
"pool-8-thread-3" #51597 prio=5 os_prio=0 tid=0x00007fc8480d6ba0 nid=0x23211
waiting on condition [0x00007fc6fc656000]
"pool-8-thread-1" #51598 prio=5 os_prio=0 tid=0x00007fc84c0cf8e0 nid=0x23210
waiting on condition [0x00007fc6fbbed000]
"pool-8-thread-2" #51599 prio=5 os_prio=0 tid=0x00007fc8401318c0 nid=0x2320f
waiting on condition [0x00007fc6fbcb0000]
"pool-5-thread-3" #51596 prio=5 os_prio=0 tid=0x00007fc77805fd50 nid=0x2320e
waiting on condition [0x00007fc6fba67000]
"pool-5-thread-2" #51595 prio=5 os_prio=0 tid=0x00007fc778075e90 nid=0x2320d
waiting on condition [0x00007fc6fb79c000]
"pool-5-thread-1" #51594 prio=5 os_prio=0 tid=0x00007fc77809baa0 nid=0x2320c
waiting on condition [0x00007fc6fd245000]
"Scheduler-936931778" #597 prio=5 os_prio=0 tid=0x00007fc8240180c0 nid=0x220e1
waiting on condition [0x00007fc75eaca000]
> Fix non-daemon threads in hbase server implementation
> -----------------------------------------------------
>
> Key: HBASE-22881
> URL: https://issues.apache.org/jira/browse/HBASE-22881
> Project: HBase
> Issue Type: Bug
> Components: master
> Reporter: Xiaolin Ha
> Assignee: Xiaolin Ha
> Priority: Major
> Fix For: 3.0.0, 2.3.0, 2.2.1, 2.1.7
>
>
> "pool-8-thread-3" #7252 prio=5 os_prio=0 tid=0x00007f91040044c0 nid=0xd71e
> waiting on condition [0x00007f8f4d209000]
> java.lang.Thread.State: WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x00000005c0e49ed0> (a
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> at
> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> at
> java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Locked ownable synchronizers:
> - None
> "pool-8-thread-2" #7251 prio=5 os_prio=0 tid=0x00007f910c010be0 nid=0xd71d
> waiting on condition [0x00007f8f4daab000]
> java.lang.Thread.State: WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x00000005c0e49ed0> (a
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> at
> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> at
> java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Locked ownable synchronizers:
> - None
> "pool-8-thread-1" #7250 prio=5 os_prio=0 tid=0x00007f91000019d0 nid=0xd71c
> waiting on condition [0x00007f8f4da6a000]
> java.lang.Thread.State: WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x00000005c0e49ed0> (a
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> at
> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> at
> java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Locked ownable synchronizers:
> - None
> "pool-5-thread-3" #7248 prio=5 os_prio=0 tid=0x00007f9238005ad0 nid=0xd71a
> waiting on condition [0x00007f8f4cb65000]
> java.lang.Thread.State: WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x00000005c0ec51e0> (a
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> at
> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> at
> java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
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