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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16304) regionserver should shutdown but it is blocked
Date Tue, 23 Aug 2016 19:53:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15433495#comment-15433495 ] 

Hadoop QA commented on HBASE-16304:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 18s {color} | {color:blue} Docker mode activated. {color} |
| {color:blue}0{color} | {color:blue} patch {color} | {color:blue} 0m 3s {color} | {color:blue} The patch file was not named according to hbase's naming conventions. Please see https://yetus.apache.org/documentation/0.3.0/precommit-patchnames for instructions. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s {color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m 0s {color} | {color:red} The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 4s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 31s {color} | {color:green} master passed with JDK v1.8.0_101 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 35s {color} | {color:green} master passed with JDK v1.7.0_101 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 50s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 17s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 56s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 25s {color} | {color:green} master passed with JDK v1.8.0_101 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 34s {color} | {color:green} master passed with JDK v1.7.0_101 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 45s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 31s {color} | {color:green} the patch passed with JDK v1.8.0_101 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 31s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 35s {color} | {color:green} the patch passed with JDK v1.7.0_101 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 35s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 50s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 17s {color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m 0s {color} | {color:red} The patch has 1 line(s) that end in whitespace. Use git apply --whitespace=fix. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 27m 3s {color} | {color:green} Patch does not cause any errors with Hadoop 2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.1 2.6.2 2.6.3 2.7.1. {color} |
| {color:green}+1{color} | {color:green} hbaseprotoc {color} | {color:green} 0m 16s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 11s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 27s {color} | {color:green} the patch passed with JDK v1.8.0_101 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 34s {color} | {color:green} the patch passed with JDK v1.7.0_101 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 97m 18s {color} | {color:green} hbase-server in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 20s {color} | {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 140m 0s {color} | {color:black} {color} |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=1.11.2 Server=1.11.2 Image:yetus/hbase:date2016-08-23 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12825098/16304.v6.txt |
| JIRA Issue | HBASE-16304 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle  compile  |
| uname | Linux d78bee7ff880 3.13.0-92-generic #139-Ubuntu SMP Tue Jun 28 20:42:26 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh |
| git revision | master / 897631f |
| Default Java | 1.7.0_101 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_101 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_101 |
| findbugs | v3.0.0 |
| whitespace | https://builds.apache.org/job/PreCommit-HBASE-Build/3210/artifact/patchprocess/whitespace-eol.txt |
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/3210/testReport/ |
| modules | C: hbase-server U: hbase-server |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/3210/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> regionserver should shutdown but it is blocked
> ----------------------------------------------
>
>                 Key: HBASE-16304
>                 URL: https://issues.apache.org/jira/browse/HBASE-16304
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.2.2
>            Reporter: mingmin xu
>            Assignee: Ted Yu
>            Priority: Critical
>             Fix For: 2.0.0, 1.3.0, 1.4.0
>
>         Attachments: 16304.branch-1.2.v4.txt, 16304.branch-1.2.v5.txt, 16304.branch-1.2.v5.txt, 16304.branch-1.v1.txt, 16304.v1.txt, 16304.v3.txt, 16304.v4.txt, 16304.v4.txt, 16304.v5.txt, 16304.v6.txt
>
>
> here is my jvm stack:
> {code}
> 2016-07-29 16:36:56
> Full thread dump Java HotSpot(TM) 64-Bit Server VM (24.72-b04 mixed mode):
> "Timer for 'HBase' metrics system" daemon prio=10 tid=0x00007f205cf38000 nid=0xafa5 in Object.wait() [0x00007f203b353000]
>    java.lang.Thread.State: TIMED_WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	at java.util.TimerThread.mainLoop(Timer.java:552)
> 	- locked <0x000000063503c790> (a java.util.TaskQueue)
> 	at java.util.TimerThread.run(Timer.java:505)
> "Attach Listener" daemon prio=10 tid=0x00007f205d017800 nid=0x1300 waiting on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "IPC Parameter Sending Thread #2" daemon prio=10 tid=0x00007f205c7c4000 nid=0x4f1a waiting on condition [0x00007f20362e1000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f996718> (a java.util.concurrent.SynchronousQueue$TransferStack)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
> 	at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
> 	at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:359)
> 	at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:942)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RS_LOG_REPLAY_OPS-hadoop-datanode-0042:16020-1" prio=10 tid=0x00007f2054ec8000 nid=0x832d waiting on condition [0x00007f2039a18000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066ffb5950> (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 java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RS_LOG_REPLAY_OPS-hadoop-datanode-0042:16020-0" prio=10 tid=0x00007f20542ca800 nid=0x5a5d waiting on condition [0x00007f2033bba000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066ffb5950> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "hadoop-datanode-0042.corp.cootek.com,16020,1469690065288_ChoreService_2" daemon prio=10 tid=0x00007f205d0d4000 nid=0x72af waiting on condition [0x00007f203b151000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066fd70dd8> (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.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1079)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:807)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RS_CLOSE_REGION-hadoop-datanode-0042:16020-2" prio=10 tid=0x0000000002232000 nid=0xab85 waiting on condition [0x00007f2033ab9000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000006708113f8> (a java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:867)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1197)
> 	at java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock.lock(ReentrantReadWriteLock.java:945)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.doClose(HRegion.java:1423)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1369)
> 	- locked <0x00000006707c3560> (a java.lang.Object)
> 	at org.apache.hadoop.hbase.regionserver.handler.CloseRegionHandler.process(CloseRegionHandler.java:138)
> 	at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:129)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RS_CLOSE_REGION-hadoop-datanode-0042:16020-1" prio=10 tid=0x00007f204cfa3000 nid=0xab84 waiting on condition [0x00007f2033ebd000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066ffb5c20> (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 java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RS_CLOSE_REGION-hadoop-datanode-0042:16020-0" prio=10 tid=0x00007f204c30f800 nid=0xab31 waiting on condition [0x00007f203b555000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066ffb5c20> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "group-cache-0" daemon prio=10 tid=0x00007f205c904000 nid=0xa858 waiting on condition [0x00007f20339b8000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066fa930b0> (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.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1079)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:807)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "ReplicationExecutor-0" daemon prio=10 tid=0x00007f204c600000 nid=0x9596 waiting on condition [0x00007f20356d5000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066ffb5ed8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RS_OPEN_REGION-hadoop-datanode-0042:16020-1" prio=10 tid=0x00007f205404c800 nid=0x8f88 waiting on condition [0x00007f2039f3f000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066fc65d60> (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 java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RS_OPEN_REGION-hadoop-datanode-0042:16020-2" prio=10 tid=0x00000000017dc800 nid=0x8f87 waiting on condition [0x00007f203a040000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066fc65d60> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RS_OPEN_REGION-hadoop-datanode-0042:16020-0" prio=10 tid=0x00007f204c5fe000 nid=0x8f86 waiting on condition [0x00007f203a141000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066fc65d60> (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 java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "org.apache.hadoop.hdfs.PeerCache@7c1775ad" daemon prio=10 tid=0x00007f204cfdd000 nid=0x8f85 waiting on condition [0x00007f203a242000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at org.apache.hadoop.hdfs.PeerCache.run(PeerCache.java:244)
> 	at org.apache.hadoop.hdfs.PeerCache.access$000(PeerCache.java:41)
> 	at org.apache.hadoop.hdfs.PeerCache$1.run(PeerCache.java:119)
> 	at java.lang.Thread.run(Thread.java:745)
> "hadoop-datanode-0042:16020Replication Statistics #0" daemon prio=10 tid=0x0000000001bc2800 nid=0x8f52 waiting on condition [0x00007f203a444000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066fef1b58> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2082)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1090)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:807)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "HBase-Metrics2-1" daemon prio=10 tid=0x00000000018b0000 nid=0x8f4c waiting on condition [0x00007f203aa4a000]
>    java.lang.Thread.State: TIMED_WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066fd70da8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2082)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1090)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:807)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "sync.4" prio=10 tid=0x00007f204c10c800 nid=0x8f4b waiting on condition [0x00007f203ab4b000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066fb98ee8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at org.apache.hadoop.hbase.regionserver.wal.FSHLog$SyncRunner.run(FSHLog.java:1212)
> 	at java.lang.Thread.run(Thread.java:745)
> "sync.3" prio=10 tid=0x00007f204c4df800 nid=0x8f4a waiting on condition [0x00007f203ac4c000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9ab398> (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.hadoop.hbase.regionserver.wal.FSHLog$SyncRunner.run(FSHLog.java:1212)
> 	at java.lang.Thread.run(Thread.java:745)
> "sync.2" prio=10 tid=0x00007f204c4dd800 nid=0x8f49 waiting on condition [0x00007f203ad4d000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066fef7240> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at org.apache.hadoop.hbase.regionserver.wal.FSHLog$SyncRunner.run(FSHLog.java:1212)
> 	at java.lang.Thread.run(Thread.java:745)
> "sync.1" prio=10 tid=0x00007f204c4dc800 nid=0x8f48 waiting on condition [0x00007f203ae4e000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066ff089b8> (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.hadoop.hbase.regionserver.wal.FSHLog$SyncRunner.run(FSHLog.java:1212)
> 	at java.lang.Thread.run(Thread.java:745)
> "sync.0" prio=10 tid=0x00007f204c503000 nid=0x8f47 waiting on condition [0x00007f203af4f000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066fef71f8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> 	at org.apache.hadoop.hbase.regionserver.wal.FSHLog$SyncRunner.run(FSHLog.java:1212)
> 	at java.lang.Thread.run(Thread.java:745)
> "regionserver/hadoop-datanode-0042.corp.cootek.com/192.168.0.168:16020.append-pool1-t1" prio=10 tid=0x0000000001ba0800 nid=0x8f46 waiting on condition [0x00007f203b050000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066ff08200> (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 com.lmax.disruptor.BlockingWaitStrategy.waitFor(BlockingWaitStrategy.java:45)
> 	at com.lmax.disruptor.ProcessingSequenceBarrier.waitFor(ProcessingSequenceBarrier.java:55)
> 	at com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:123)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "LeaseRenewer:hadoop@hadoop2-namenode:9000" daemon prio=10 tid=0x0000000001b6c000 nid=0x8f42 waiting on condition [0x00007f203b252000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at org.apache.hadoop.hdfs.LeaseRenewer.run(LeaseRenewer.java:438)
> 	at org.apache.hadoop.hdfs.LeaseRenewer.access$700(LeaseRenewer.java:71)
> 	at org.apache.hadoop.hdfs.LeaseRenewer$1.run(LeaseRenewer.java:298)
> 	at java.lang.Thread.run(Thread.java:745)
> "JvmPauseMonitor" daemon prio=10 tid=0x0000000001cf5800 nid=0x8f3a waiting on condition [0x00007f203b959000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at org.apache.hadoop.hbase.util.JvmPauseMonitor$Monitor.run(JvmPauseMonitor.java:159)
> 	at java.lang.Thread.run(Thread.java:745)
> "regionserver/hadoop-datanode-0042.corp.cootek.com/192.168.0.168:16020" prio=10 tid=0x00007f205d045800 nid=0x8f37 waiting on condition [0x00007f203be5a000]
>    java.lang.Thread.State: TIMED_WAITING (sleeping)
> 	at java.lang.Thread.sleep(Native Method)
> 	at org.apache.hadoop.hbase.regionserver.HRegionServer.sleep(HRegionServer.java:1301)
> 	at org.apache.hadoop.hbase.regionserver.HRegionServer.waitOnAllRegionsToClose(HRegionServer.java:1287)
> 	at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:1057)
> 	at java.lang.Thread.run(Thread.java:745)
> "ReplicationRpcServer.handler=2,queue=0,port=16020" daemon prio=10 tid=0x00007f205cfe1000 nid=0x8f33 waiting on condition [0x00007f203c25e000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f996eb0> (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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "ReplicationRpcServer.handler=1,queue=0,port=16020" daemon prio=10 tid=0x00007f205cfdf000 nid=0x8f32 waiting on condition [0x00007f203c35f000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f996eb0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "ReplicationRpcServer.handler=0,queue=0,port=16020" daemon prio=10 tid=0x00007f205cfdd000 nid=0x8f31 waiting on condition [0x00007f203c460000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f996eb0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=19,queue=1,port=16020" daemon prio=10 tid=0x00007f205cfdb000 nid=0x8f30 waiting on condition [0x00007f203c561000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f997620> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=18,queue=0,port=16020" daemon prio=10 tid=0x00007f205cfd8800 nid=0x8f2f waiting on condition [0x00007f203c662000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9977a0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=17,queue=1,port=16020" daemon prio=10 tid=0x00007f205cfd6800 nid=0x8f2e waiting on condition [0x00007f203c763000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f997620> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=16,queue=0,port=16020" daemon prio=10 tid=0x00007f205cfd4800 nid=0x8f2d waiting on condition [0x00007f203c864000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9977a0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=15,queue=1,port=16020" daemon prio=10 tid=0x00007f205cfd2800 nid=0x8f2c waiting on condition [0x00007f203c965000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f997620> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=14,queue=0,port=16020" daemon prio=10 tid=0x00007f205cfd0800 nid=0x8f2b waiting on condition [0x00007f203ca66000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9977a0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=13,queue=1,port=16020" daemon prio=10 tid=0x00007f205cfce000 nid=0x8f2a waiting on condition [0x00007f203cb67000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f997620> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=12,queue=0,port=16020" daemon prio=10 tid=0x00007f205cfcc000 nid=0x8f29 waiting on condition [0x00007f203cc68000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9977a0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=11,queue=1,port=16020" daemon prio=10 tid=0x00007f205cfca000 nid=0x8f28 waiting on condition [0x00007f203cd69000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f997620> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=10,queue=0,port=16020" daemon prio=10 tid=0x00007f205cfc8000 nid=0x8f27 waiting on condition [0x00007f203ce6a000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9977a0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=9,queue=1,port=16020" daemon prio=10 tid=0x00007f205cfc5800 nid=0x8f26 waiting on condition [0x00007f203cf6b000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f997620> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=8,queue=0,port=16020" daemon prio=10 tid=0x00007f205cfc3800 nid=0x8f25 waiting on condition [0x00007f203d06c000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9977a0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=7,queue=1,port=16020" daemon prio=10 tid=0x00007f205cfc1800 nid=0x8f24 waiting on condition [0x00007f203d16d000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f997620> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=6,queue=0,port=16020" daemon prio=10 tid=0x00007f205cfbf800 nid=0x8f23 waiting on condition [0x00007f203d26e000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9977a0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=5,queue=1,port=16020" daemon prio=10 tid=0x00007f205cfbd000 nid=0x8f22 waiting on condition [0x00007f203d36f000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f997620> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=4,queue=0,port=16020" daemon prio=10 tid=0x00007f205cfbb000 nid=0x8f21 waiting on condition [0x00007f203d470000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9977a0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=3,queue=1,port=16020" daemon prio=10 tid=0x00007f205cfb9000 nid=0x8f20 waiting on condition [0x00007f203d571000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f997620> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=2,queue=0,port=16020" daemon prio=10 tid=0x00007f205cfb7000 nid=0x8f1f waiting on condition [0x00007f203d672000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9977a0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=1,queue=1,port=16020" daemon prio=10 tid=0x00007f205cfb4800 nid=0x8f1e waiting on condition [0x00007f203d773000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f997620> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "PriorityRpcServer.handler=0,queue=0,port=16020" daemon prio=10 tid=0x00007f205cfb2800 nid=0x8f1d waiting on condition [0x00007f203d874000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9977a0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$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.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=29,queue=2,port=16020" daemon prio=10 tid=0x00007f205cfb0800 nid=0x8f1c waiting on condition [0x00007f203d975000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998ae8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=28,queue=1,port=16020" daemon prio=10 tid=0x00007f205cfae800 nid=0x8f1b waiting on condition [0x00007f203da76000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998070> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=27,queue=0,port=16020" daemon prio=10 tid=0x00007f205cfac800 nid=0x8f1a waiting on condition [0x00007f203db77000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9910c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=26,queue=2,port=16020" daemon prio=10 tid=0x00007f205cfaa000 nid=0x8f19 waiting on condition [0x00007f203dc78000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998ae8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=25,queue=1,port=16020" daemon prio=10 tid=0x00007f205cfa8000 nid=0x8f18 waiting on condition [0x00007f203dd79000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998070> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=24,queue=0,port=16020" daemon prio=10 tid=0x00007f205cfa6000 nid=0x8f17 waiting for monitor entry [0x00007f203de79000]
>    java.lang.Thread.State: BLOCKED (on object monitor)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.refreshStoreFiles(HRegion.java:4887)
> 	- waiting to lock <0x00000006707c3500> (a org.apache.hadoop.hbase.regionserver.HRegion$WriteState)
> 	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.handleFileNotFound(HRegion.java:6104)
> 	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.populateResult(HRegion.java:5736)
> 	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:5875)
> 	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:5653)
> 	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:5630)
> 	- locked <0x00000007130162c8> (a org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl)
> 	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:5616)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.get(HRegion.java:6810)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.getIncrementCurrentValue(HRegion.java:7673)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.applyIncrementsToColumnFamily(HRegion.java:7583)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.doIncrement(HRegion.java:7480)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.increment(HRegion.java:7440)
> 	at org.apache.hadoop.hbase.regionserver.RSRpcServices.increment(RSRpcServices.java:551)
> 	at org.apache.hadoop.hbase.regionserver.RSRpcServices.mutate(RSRpcServices.java:2227)
> 	at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:33646)
> 	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2178)
> 	at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:112)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:133)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=23,queue=2,port=16020" daemon prio=10 tid=0x00007f205cfa4000 nid=0x8f16 waiting on condition [0x00007f203df7b000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998ae8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=22,queue=1,port=16020" daemon prio=10 tid=0x00007f205cfa2000 nid=0x8f15 waiting on condition [0x00007f203e07c000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998070> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=21,queue=0,port=16020" daemon prio=10 tid=0x00007f205cfa0000 nid=0x8f14 waiting on condition [0x00007f203e17d000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9910c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=20,queue=2,port=16020" daemon prio=10 tid=0x00007f205cf9d800 nid=0x8f13 waiting on condition [0x00007f203e27e000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998ae8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=19,queue=1,port=16020" daemon prio=10 tid=0x00007f205cf9b800 nid=0x8f12 waiting on condition [0x00007f203e37f000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998070> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=18,queue=0,port=16020" daemon prio=10 tid=0x00007f205cf99800 nid=0x8f11 waiting on condition [0x00007f203e480000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9910c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=17,queue=2,port=16020" daemon prio=10 tid=0x00007f205cf97800 nid=0x8f10 waiting on condition [0x00007f203e581000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998ae8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=16,queue=1,port=16020" daemon prio=10 tid=0x00007f205cf95800 nid=0x8f0f waiting on condition [0x00007f203e682000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998070> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=15,queue=0,port=16020" daemon prio=10 tid=0x00007f205cf93000 nid=0x8f0e waiting on condition [0x00007f203e783000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9910c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=14,queue=2,port=16020" daemon prio=10 tid=0x00007f205cf91000 nid=0x8f0d waiting on condition [0x00007f203e884000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998ae8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=13,queue=1,port=16020" daemon prio=10 tid=0x00007f205cf8f000 nid=0x8f0c waiting on condition [0x00007f203e985000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998070> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=12,queue=0,port=16020" daemon prio=10 tid=0x00007f205cf8d000 nid=0x8f0b waiting on condition [0x00007f203ea85000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000006708113c8> (a java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:867)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1197)
> 	at java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock.lock(ReentrantReadWriteLock.java:945)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.dropMemstoreContentsForSeqId(HRegion.java:4568)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.refreshStoreFiles(HRegion.java:4919)
> 	- locked <0x00000006707c3500> (a org.apache.hadoop.hbase.regionserver.HRegion$WriteState)
> 	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.handleFileNotFound(HRegion.java:6104)
> 	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.populateResult(HRegion.java:5736)
> 	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:5875)
> 	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:5653)
> 	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:5630)
> 	- locked <0x0000000713017648> (a org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl)
> 	at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:5616)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.get(HRegion.java:6810)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.getIncrementCurrentValue(HRegion.java:7673)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.applyIncrementsToColumnFamily(HRegion.java:7583)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.doIncrement(HRegion.java:7480)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.increment(HRegion.java:7440)
> 	at org.apache.hadoop.hbase.regionserver.RSRpcServices.increment(RSRpcServices.java:551)
> 	at org.apache.hadoop.hbase.regionserver.RSRpcServices.mutate(RSRpcServices.java:2227)
> 	at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:33646)
> 	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2178)
> 	at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:112)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:133)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=11,queue=2,port=16020" daemon prio=10 tid=0x00007f205cf8a800 nid=0x8f0a waiting on condition [0x00007f203eb87000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998ae8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=10,queue=1,port=16020" daemon prio=10 tid=0x00007f205cf88800 nid=0x8f09 waiting on condition [0x00007f203ec88000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998070> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=9,queue=0,port=16020" daemon prio=10 tid=0x00007f205cf86800 nid=0x8f08 waiting on condition [0x00007f203ed89000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9910c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=8,queue=2,port=16020" daemon prio=10 tid=0x00007f205cf84800 nid=0x8f07 waiting on condition [0x00007f203ee8a000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998ae8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=7,queue=1,port=16020" daemon prio=10 tid=0x00007f205cf82000 nid=0x8f06 waiting on condition [0x00007f203ef8b000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998070> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=6,queue=0,port=16020" daemon prio=10 tid=0x00007f205cf80000 nid=0x8f05 waiting on condition [0x00007f203f08c000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9910c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=5,queue=2,port=16020" daemon prio=10 tid=0x00007f205cf7e000 nid=0x8f04 waiting on condition [0x00007f203f18d000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998ae8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=4,queue=1,port=16020" daemon prio=10 tid=0x00007f205cf7b800 nid=0x8f03 waiting on condition [0x00007f203f28e000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998070> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=3,queue=0,port=16020" daemon prio=10 tid=0x00007f205cf79800 nid=0x8f02 waiting on condition [0x00007f203f38f000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9910c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=2,queue=2,port=16020" daemon prio=10 tid=0x00007f205cf78000 nid=0x8f01 waiting on condition [0x00007f203f490000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998ae8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=1,queue=1,port=16020" daemon prio=10 tid=0x00007f205cf77000 nid=0x8f00 waiting on condition [0x00007f203f591000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f998070> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "B.defaultRpcServer.handler=0,queue=0,port=16020" daemon prio=10 tid=0x00007f205cf5a800 nid=0x8eff waiting on condition [0x00007f203f692000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x000000066f9910c8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue.take(BoundedPriorityBlockingQueue.java:214)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:129)
> 	at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
> 	at java.lang.Thread.run(Thread.java:745)
> "RpcServer.listener,port=16020" daemon prio=10 tid=0x00007f205cf56800 nid=0x8efe runnable [0x00007f203f793000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87)
> 	- locked <0x000000066f9a4490> (a sun.nio.ch.Util$2)
> 	- locked <0x000000066f9a44a8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000066f99c370> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:102)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener.run(RpcServer.java:728)
> "RpcServer.responder" daemon prio=10 tid=0x00007f205cf4d800 nid=0x8efd runnable [0x00007f203f894000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87)
> 	- locked <0x000000066f9905f8> (a sun.nio.ch.Util$2)
> 	- locked <0x000000066f990610> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000066f9a60e8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Responder.doRunLoop(RpcServer.java:967)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Responder.run(RpcServer.java:914)
> "RpcServer.reader=9,bindAddress=hadoop-datanode-0042.corp.cootek.com,port=16020" daemon prio=10 tid=0x00007f205cbaf800 nid=0x8ef8 runnable [0x00007f20402ca000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87)
> 	- locked <0x000000066f9919f8> (a sun.nio.ch.Util$2)
> 	- locked <0x000000066f991a10> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000066f9a51b0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:102)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.doRunLoop(RpcServer.java:622)
> 	- locked <0x000000066f991a28> (a org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.run(RpcServer.java:609)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RpcServer.reader=8,bindAddress=hadoop-datanode-0042.corp.cootek.com,port=16020" daemon prio=10 tid=0x00007f205ca84000 nid=0x8ef7 runnable [0x00007f20403cb000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87)
> 	- locked <0x000000066f9a6c40> (a sun.nio.ch.Util$2)
> 	- locked <0x000000066f9a6c58> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000066f9a6520> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:102)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.doRunLoop(RpcServer.java:622)
> 	- locked <0x000000066f9a6c70> (a org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.run(RpcServer.java:609)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RpcServer.reader=7,bindAddress=hadoop-datanode-0042.corp.cootek.com,port=16020" daemon prio=10 tid=0x00007f205ca81800 nid=0x8ef6 runnable [0x00007f20404cc000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87)
> 	- locked <0x000000066f9a79f0> (a sun.nio.ch.Util$2)
> 	- locked <0x000000066f9a7a08> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000066f9a4718> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:102)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.doRunLoop(RpcServer.java:622)
> 	- locked <0x000000066f9a7a20> (a org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.run(RpcServer.java:609)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RpcServer.reader=6,bindAddress=hadoop-datanode-0042.corp.cootek.com,port=16020" daemon prio=10 tid=0x00007f205ca7f800 nid=0x8ef5 runnable [0x00007f20405cd000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87)
> 	- locked <0x000000066f9afd68> (a sun.nio.ch.Util$2)
> 	- locked <0x000000066f9afd80> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000066f9a82c0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:102)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.doRunLoop(RpcServer.java:622)
> 	- locked <0x000000066f9afd98> (a org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.run(RpcServer.java:609)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RpcServer.reader=5,bindAddress=hadoop-datanode-0042.corp.cootek.com,port=16020" daemon prio=10 tid=0x00007f205ca7d800 nid=0x8ef4 runnable [0x00007f20406ce000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87)
> 	- locked <0x000000066f998998> (a sun.nio.ch.Util$2)
> 	- locked <0x000000066f9989b0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000066f99c568> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:102)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.doRunLoop(RpcServer.java:622)
> 	- locked <0x000000066f9989c8> (a org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.run(RpcServer.java:609)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RpcServer.reader=4,bindAddress=hadoop-datanode-0042.corp.cootek.com,port=16020" daemon prio=10 tid=0x00007f205ca7c000 nid=0x8ef3 runnable [0x00007f20407cf000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87)
> 	- locked <0x000000066f9a4598> (a sun.nio.ch.Util$2)
> 	- locked <0x000000066f9a45b0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000066f9a39c8> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:102)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.doRunLoop(RpcServer.java:622)
> 	- locked <0x000000066f9a45c8> (a org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.run(RpcServer.java:609)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RpcServer.reader=3,bindAddress=hadoop-datanode-0042.corp.cootek.com,port=16020" daemon prio=10 tid=0x00007f205ca7a800 nid=0x8ef2 runnable [0x00007f20408d0000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87)
> 	- locked <0x000000066f99c970> (a sun.nio.ch.Util$2)
> 	- locked <0x000000066f99c988> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000066f9a2008> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:102)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.doRunLoop(RpcServer.java:622)
> 	- locked <0x000000066f99c9a0> (a org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.run(RpcServer.java:609)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RpcServer.reader=2,bindAddress=hadoop-datanode-0042.corp.cootek.com,port=16020" daemon prio=10 tid=0x00007f205ca78800 nid=0x8ef1 runnable [0x00007f20409d1000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87)
> 	- locked <0x000000066f9989e0> (a sun.nio.ch.Util$2)
> 	- locked <0x000000066f9989f8> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000066f99c640> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:102)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.doRunLoop(RpcServer.java:622)
> 	- locked <0x000000066f998a10> (a org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.run(RpcServer.java:609)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RpcServer.reader=1,bindAddress=hadoop-datanode-0042.corp.cootek.com,port=16020" daemon prio=10 tid=0x00007f205ca93000 nid=0x8ef0 runnable [0x00007f2040ad2000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87)
> 	- locked <0x000000066f9a94a8> (a sun.nio.ch.Util$2)
> 	- locked <0x000000066f9a94c0> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000066f9a8d58> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:102)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.doRunLoop(RpcServer.java:622)
> 	- locked <0x000000066f998a88> (a org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.run(RpcServer.java:609)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "RpcServer.reader=0,bindAddress=hadoop-datanode-0042.corp.cootek.com,port=16020" daemon prio=10 tid=0x00007f205ca47000 nid=0x8eef runnable [0x00007f2040de0000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
> 	at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
> 	at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
> 	at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87)
> 	- locked <0x000000066f998a28> (a sun.nio.ch.Util$2)
> 	- locked <0x000000066f998a40> (a java.util.Collections$UnmodifiableSet)
> 	- locked <0x000000066f99c6d0> (a sun.nio.ch.EPollSelectorImpl)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98)
> 	at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:102)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.doRunLoop(RpcServer.java:622)
> 	- locked <0x000000066f998a58> (a org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.run(RpcServer.java:609)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> "Service Thread" daemon prio=10 tid=0x00007f205c2dc800 nid=0x8ee9 runnable [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "C2 CompilerThread1" daemon prio=10 tid=0x00007f205c2da000 nid=0x8ee8 waiting on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "C2 CompilerThread0" daemon prio=10 tid=0x00007f205c2d7800 nid=0x8ee7 waiting on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "Signal Dispatcher" daemon prio=10 tid=0x00007f205c2d5000 nid=0x8ee6 runnable [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "Surrogate Locker Thread (Concurrent GC)" daemon prio=10 tid=0x00007f205c2d3000 nid=0x8ee5 waiting on condition [0x0000000000000000]
>    java.lang.Thread.State: RUNNABLE
> "Finalizer" daemon prio=10 tid=0x00007f205c2b2800 nid=0x8ee4 in Object.wait() [0x00007f20423b2000]
>    java.lang.Thread.State: WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135)
> 	- locked <0x000000066f99d7d8> (a java.lang.ref.ReferenceQueue$Lock)
> 	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151)
> 	at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)
> "Reference Handler" daemon prio=10 tid=0x00007f205c2b0800 nid=0x8ee3 in Object.wait() [0x00007f20424b3000]
>    java.lang.Thread.State: WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	at java.lang.Object.wait(Object.java:503)
> 	at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:133)
> 	- locked <0x000000066f998a70> (a java.lang.ref.Reference$Lock)
> "main" prio=10 tid=0x00007f205c00e000 nid=0x8ec3 in Object.wait() [0x00007f2065144000]
>    java.lang.Thread.State: WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	- waiting on <0x000000066f9927d0> (a java.lang.Thread)
> 	at java.lang.Thread.join(Thread.java:1281)
> 	- locked <0x000000066f9927d0> (a java.lang.Thread)
> 	at java.lang.Thread.join(Thread.java:1355)
> 	at org.apache.hadoop.hbase.util.HasThread.join(HasThread.java:89)
> 	at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegionServerCommandLine.java:66)
> 	at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegionServerCommandLine.java:87)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:126)
> 	at org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.java:2665)
> "VM Thread" prio=10 tid=0x00007f205c2ac000 nid=0x8ee2 runnable 
> "Gang worker#0 (Parallel GC Threads)" prio=10 tid=0x00007f205c01f000 nid=0x8ec4 runnable 
> "Gang worker#1 (Parallel GC Threads)" prio=10 tid=0x00007f205c021000 nid=0x8ec5 runnable 
> "Gang worker#2 (Parallel GC Threads)" prio=10 tid=0x00007f205c022800 nid=0x8ec6 runnable 
> "Gang worker#3 (Parallel GC Threads)" prio=10 tid=0x00007f205c024800 nid=0x8ec7 runnable 
> "Gang worker#4 (Parallel GC Threads)" prio=10 tid=0x00007f205c026800 nid=0x8ec8 runnable 
> "Gang worker#5 (Parallel GC Threads)" prio=10 tid=0x00007f205c028800 nid=0x8ec9 runnable 
> "Gang worker#6 (Parallel GC Threads)" prio=10 tid=0x00007f205c02a000 nid=0x8eca runnable 
> "Gang worker#7 (Parallel GC Threads)" prio=10 tid=0x00007f205c02c000 nid=0x8ecb runnable 
> "Gang worker#8 (Parallel GC Threads)" prio=10 tid=0x00007f205c02e000 nid=0x8ecc runnable 
> "Gang worker#9 (Parallel GC Threads)" prio=10 tid=0x00007f205c02f800 nid=0x8ecd runnable 
> "Gang worker#10 (Parallel GC Threads)" prio=10 tid=0x00007f205c031800 nid=0x8ece runnable 
> "Gang worker#11 (Parallel GC Threads)" prio=10 tid=0x00007f205c033800 nid=0x8ecf runnable 
> "Gang worker#12 (Parallel GC Threads)" prio=10 tid=0x00007f205c035800 nid=0x8ed0 runnable 
> "Gang worker#13 (Parallel GC Threads)" prio=10 tid=0x00007f205c037000 nid=0x8ed1 runnable 
> "Gang worker#14 (Parallel GC Threads)" prio=10 tid=0x00007f205c039000 nid=0x8ed2 runnable 
> "Gang worker#15 (Parallel GC Threads)" prio=10 tid=0x00007f205c03b000 nid=0x8ed3 runnable 
> "Gang worker#16 (Parallel GC Threads)" prio=10 tid=0x00007f205c03c800 nid=0x8ed4 runnable 
> "Gang worker#17 (Parallel GC Threads)" prio=10 tid=0x00007f205c03e800 nid=0x8ed5 runnable 
> "Gang worker#18 (Parallel GC Threads)" prio=10 tid=0x00007f205c040800 nid=0x8ed6 runnable 
> "Gang worker#19 (Parallel GC Threads)" prio=10 tid=0x00007f205c042000 nid=0x8ed7 runnable 
> "Gang worker#20 (Parallel GC Threads)" prio=10 tid=0x00007f205c044000 nid=0x8ed8 runnable 
> "Gang worker#21 (Parallel GC Threads)" prio=10 tid=0x00007f205c046000 nid=0x8ed9 runnable 
> "Gang worker#22 (Parallel GC Threads)" prio=10 tid=0x00007f205c048000 nid=0x8eda runnable 
> "Concurrent Mark-Sweep GC Thread" prio=10 tid=0x00007f205c267000 nid=0x8ee1 runnable 
> "Gang worker#0 (Parallel CMS Threads)" prio=10 tid=0x00007f205c25b000 nid=0x8edb runnable 
> "Gang worker#1 (Parallel CMS Threads)" prio=10 tid=0x00007f205c25d000 nid=0x8edc runnable 
> "Gang worker#2 (Parallel CMS Threads)" prio=10 tid=0x00007f205c25e800 nid=0x8edd runnable 
> "Gang worker#3 (Parallel CMS Threads)" prio=10 tid=0x00007f205c260800 nid=0x8ede runnable 
> "Gang worker#4 (Parallel CMS Threads)" prio=10 tid=0x00007f205c262800 nid=0x8edf runnable 
> "Gang worker#5 (Parallel CMS Threads)" prio=10 tid=0x00007f205c264000 nid=0x8ee0 runnable 
> "VM Periodic Task Thread" prio=10 tid=0x00007f205c2df800 nid=0x8eea waiting on condition 
> JNI global references: 221
> {code}



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