In this case the regionserver isn't actually doing anything - all the IPC thread handlers are waiting in their queue handoff thingy (how they get socket/work to do).
Something elsewhere perhaps? Check the logs of your jobs, there might be something interesting there. One thing that frequently happens is you overrun 1 regionserver with edits and it isnt flushing fast enough, so it pauses updates and all clients end up stuck on it. What was that config again? I use these settings: <property> <name>hbase.hstore.blockingStoreFiles</name> <value>15</value> </property> <property> <name>dfs.datanode.socket.write.timeout</name> <value>0</value> </property> <property> <name>hbase.hregion.memstore.block.multiplier</name> <value>8</value> </property> perhaps try these ones? -ryan On Thu, Jul 15, 2010 at 6:55 PM, Luke Forehand <[email protected]> wrote: > > Yea I started with 12 task max per node, dropped it to 8, and now 4, but > still having the issue. Here is the spec for each box: > > 2x CPU (2.5 GHZ nehalem ep quad core) > 24 GB RAM (4gb / region server ) > 4x 1tb hard drives > > > On 7/15/10 6:32 PM, "Ryan Rawson" <[email protected]> wrote: > > Are you sure you dont have any GC issues? > > Also you are aware that max.tasks.maximum is _per node_ right? How > big are these machines? > > -ryan > > On Thu, Jul 15, 2010 at 4:30 PM, Jean-Daniel Cryans <[email protected]> > wrote: >> Nothing particular in that dump, and I'm not aware of any deadlock in >> 0.20.3, could we see the region server log? >> >> Thx >> >> J-D >> >> On Thu, Jul 15, 2010 at 4:17 PM, Luke Forehand >> <[email protected]> wrote: >>> First post evar! >>> >>> I have a 3 node cluster and have set >>> mapred.tasktracker.map.tasks.maximum=4. I am using Cloudera's CDH2 dist >>> (hadoop 0.20.1 and hbase 0.20.3). I am importing a 15GB sequence file into >>> an HTable instance straight from the Mapper, no reduce phase. At random >>> times during the job, the RegionServer JVMs start to completely hang. I >>> started up jstatd on the servers and used VisualVM to profile the >>> processes. When I encounter the hang, I notice absolutely no problems with >>> heap or garbage collection, the region servers just become vegetables >>> within minutes of eachother. This fact, along with the randomness of the >>> hang, leads me to believe there is a dead lock due to a race condition >>> somewhere in the code. I suspect something similar to the following issues: >>> >>> http://issues.apache.org/jira/browse/HADOOP-5859 >>> http://issues.apache.org/jira/browse/HBASE-667 >>> >>> Here is a thread dump of one of the region server procs immediately after >>> it went silent. Would anybody that has more knowledge about the inner >>> workings of hadoop/hbase IO have the time to help me confirm that this is >>> the issue I am experiencing? >>> >>> 2010-07-15 16:33:26 >>> Full thread dump Java HotSpot(TM) 64-Bit Server VM (14.2-b01 mixed mode): >>> >>> "RMI TCP Connection(73)-192.168.100.113" - Thread t...@62011 >>> java.lang.Thread.State: TIMED_WAITING on >>> com.sun.jmx.remote.internal.arraynotificationbuf...@bd5192 >>> at java.lang.Object.wait(Native Method) >>> at >>> com.sun.jmx.remote.internal.ArrayNotificationBuffer.fetchNotifications(ArrayNotificationBuffer.java:417) >>> at >>> com.sun.jmx.remote.internal.ArrayNotificationBuffer$ShareBuffer.fetchNotifications(ArrayNotificationBuffer.java:209) >>> at >>> com.sun.jmx.remote.internal.ServerNotifForwarder.fetchNotifs(ServerNotifForwarder.java:258) >>> at >>> javax.management.remote.rmi.RMIConnectionImpl$2.run(RMIConnectionImpl.java:1227) >>> at >>> javax.management.remote.rmi.RMIConnectionImpl$2.run(RMIConnectionImpl.java:1225) >>> at >>> javax.management.remote.rmi.RMIConnectionImpl.fetchNotifications(RMIConnectionImpl.java:1231) >>> at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source) >>> at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >>> at java.lang.reflect.Method.invoke(Method.java:597) >>> at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305) >>> at sun.rmi.transport.Transport$1.run(Transport.java:159) >>> at java.security.AccessController.doPrivileged(Native Method) >>> at sun.rmi.transport.Transport.serviceCall(Transport.java:155) >>> at >>> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535) >>> at >>> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790) >>> at >>> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) >>> at java.lang.Thread.run(Thread.java:619) >>> >>> Locked ownable synchronizers: >>> - locked java.util.concurrent.locks.reentrantlock$nonfairs...@40aa3008 >>> >>> "RMI TCP Connection(72)-192.168.100.113" - Thread t...@62010 >>> java.lang.Thread.State: RUNNABLE >>> at java.net.SocketInputStream.socketRead0(Native Method) >>> at java.net.SocketInputStream.read(SocketInputStream.java:129) >>> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218) >>> at java.io.BufferedInputStream.read(BufferedInputStream.java:237) >>> - locked java.io.bufferedinputstr...@72bda36f >>> at java.io.FilterInputStream.read(FilterInputStream.java:66) >>> at >>> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:517) >>> at >>> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790) >>> at >>> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) >>> at java.lang.Thread.run(Thread.java:619) >>> >>> Locked ownable synchronizers: >>> - locked java.util.concurrent.locks.reentrantlock$nonfairs...@350743 >>> >>> "JMX server connection timeout 62009" - Thread t...@62009 >>> java.lang.Thread.State: TIMED_WAITING on [...@5eebd2c6 >>> at java.lang.Object.wait(Native Method) >>> at >>> com.sun.jmx.remote.internal.ServerCommunicatorAdmin$Timeout.run(ServerCommunicatorAdmin.java:150) >>> at java.lang.Thread.run(Thread.java:619) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "ResponseProcessor for block blk_1926230463847049982_2694658" - Thread >>> t...@61160 >>> java.lang.Thread.State: RUNNABLE >>> at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) >>> at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:215) >>> at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:65) >>> at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69) >>> - locked sun.nio.ch.uti...@196fbfd0 >>> - locked java.util.collections$unmodifiable...@7799fdbb >>> - locked sun.nio.ch.epollselectori...@1ee13d55 >>> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80) >>> at >>> org.apache.hadoop.net.SocketIOWithTimeout$SelectorPool.select(SocketIOWithTimeout.java:332) >>> at >>> org.apache.hadoop.net.SocketIOWithTimeout.doIO(SocketIOWithTimeout.java:157) >>> at >>> org.apache.hadoop.net.SocketInputStream.read(SocketInputStream.java:155) >>> at >>> org.apache.hadoop.net.SocketInputStream.read(SocketInputStream.java:128) >>> at java.io.DataInputStream.readFully(DataInputStream.java:178) >>> at java.io.DataInputStream.readLong(DataInputStream.java:399) >>> at >>> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$ResponseProcessor.run(DFSClient.java:2399) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "DataStreamer for file >>> /hbase/.logs/dn01.colo.networkedinsights.com,60020,1279222293084/hlog.dat.1279228611023 >>> block blk_1926230463847049982_2694658" - Thread t...@61158 >>> java.lang.Thread.State: TIMED_WAITING on java.util.linkedl...@475b455c >>> at java.lang.Object.wait(Native Method) >>> at >>> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2247) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "RMI TCP Connection(71)-192.168.100.113" - Thread t...@53904 >>> java.lang.Thread.State: RUNNABLE >>> at sun.management.ThreadImpl.dumpThreads0(Native Method) >>> at sun.management.ThreadImpl.dumpAllThreads(ThreadImpl.java:374) >>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>> at >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >>> at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >>> at java.lang.reflect.Method.invoke(Method.java:597) >>> at >>> com.sun.jmx.mbeanserver.ConvertingMethod.invokeWithOpenReturn(ConvertingMethod.java:167) >>> at >>> com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:96) >>> at >>> com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:33) >>> at >>> com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208) >>> at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120) >>> at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262) >>> at javax.management.StandardMBean.invoke(StandardMBean.java:391) >>> at >>> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836) >>> at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761) >>> at >>> javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1426) >>> at >>> javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72) >>> at >>> javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1264) >>> at >>> javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1359) >>> at >>> javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788) >>> at sun.reflect.GeneratedMethodAccessor59.invoke(Unknown Source) >>> at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >>> at java.lang.reflect.Method.invoke(Method.java:597) >>> at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305) >>> at sun.rmi.transport.Transport$1.run(Transport.java:159) >>> at java.security.AccessController.doPrivileged(Native Method) >>> at sun.rmi.transport.Transport.serviceCall(Transport.java:155) >>> at >>> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535) >>> at >>> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790) >>> at >>> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) >>> at java.lang.Thread.run(Thread.java:619) >>> >>> Locked ownable synchronizers: >>> - locked java.util.concurrent.locks.reentrantlock$nonfairs...@5581a749 >>> >>> "JMX server connection timeout 28949" - Thread t...@28949 >>> java.lang.Thread.State: TIMED_WAITING on [...@1c6e538d >>> at java.lang.Object.wait(Native Method) >>> at >>> com.sun.jmx.remote.internal.ServerCommunicatorAdmin$Timeout.run(ServerCommunicatorAdmin.java:150) >>> at java.lang.Thread.run(Thread.java:619) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "RMI TCP Connection(70)-192.168.100.113" - Thread t...@28947 >>> java.lang.Thread.State: RUNNABLE >>> at java.net.SocketInputStream.socketRead0(Native Method) >>> at java.net.SocketInputStream.read(SocketInputStream.java:129) >>> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218) >>> at java.io.BufferedInputStream.read(BufferedInputStream.java:237) >>> - locked java.io.bufferedinputstr...@513a56c5 >>> at java.io.FilterInputStream.read(FilterInputStream.java:66) >>> at >>> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:517) >>> at >>> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790) >>> at >>> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) >>> at java.lang.Thread.run(Thread.java:619) >>> >>> Locked ownable synchronizers: >>> - locked java.util.concurrent.locks.reentrantlock$nonfairs...@4d16c92c >>> >>> "regionserver/192.168.200.31:60020.compactor-EventThread" - Thread >>> t...@19245 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@35c7b446 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:414) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "regionserver/192.168.200.31:60020.compactor-SendThread" - Thread t...@19244 >>> java.lang.Thread.State: RUNNABLE >>> at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) >>> at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:215) >>> at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:65) >>> at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69) >>> - locked sun.nio.ch.uti...@30f33929 >>> - locked java.util.collections$unmodifiable...@ea26dec >>> - locked sun.nio.ch.epollselectori...@3905bf36 >>> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80) >>> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:921) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "RMI Scheduler(0)" - Thread t...@406 >>> java.lang.Thread.State: TIMED_WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@66d9c57f >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:1963) >>> at java.util.concurrent.DelayQueue.take(DelayQueue.java:164) >>> at >>> java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:583) >>> at >>> java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:576) >>> at >>> java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) >>> at java.lang.Thread.run(Thread.java:619) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "pool-1-thread-1" - Thread t...@74 >>> java.lang.Thread.State: TIMED_WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@3175e1a2 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:1963) >>> at java.util.concurrent.DelayQueue.take(DelayQueue.java:164) >>> at >>> java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:583) >>> at >>> java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:576) >>> at >>> java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) >>> at java.lang.Thread.run(Thread.java:619) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "LruBlockCache.EvictionThread" - Thread t...@72 >>> java.lang.Thread.State: WAITING on >>> org.apache.hadoop.hbase.io.hfile.lrublockcache$evictionthr...@32306c0c >>> at java.lang.Object.wait(Native Method) >>> at java.lang.Object.wait(Object.java:485) >>> at >>> org.apache.hadoop.hbase.io.hfile.LruBlockCache$EvictionThread.run(LruBlockCache.java:512) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 24 on 60020" - Thread t...@71 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 23 on 60020" - Thread t...@70 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 22 on 60020" - Thread t...@69 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 21 on 60020" - Thread t...@68 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 20 on 60020" - Thread t...@67 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 19 on 60020" - Thread t...@66 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 18 on 60020" - Thread t...@65 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 17 on 60020" - Thread t...@64 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 16 on 60020" - Thread t...@63 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 15 on 60020" - Thread t...@62 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 14 on 60020" - Thread t...@61 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 13 on 60020" - Thread t...@60 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 12 on 60020" - Thread t...@59 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 11 on 60020" - Thread t...@58 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 10 on 60020" - Thread t...@57 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 9 on 60020" - Thread t...@56 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 8 on 60020" - Thread t...@55 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 7 on 60020" - Thread t...@54 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 6 on 60020" - Thread t...@53 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 5 on 60020" - Thread t...@52 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 4 on 60020" - Thread t...@51 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 3 on 60020" - Thread t...@50 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 2 on 60020" - Thread t...@49 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 1 on 60020" - Thread t...@48 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server handler 0 on 60020" - Thread t...@47 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@905a192 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:901) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server listener on 60020" - Thread t...@14 >>> java.lang.Thread.State: RUNNABLE >>> at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) >>> at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:215) >>> at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:65) >>> at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69) >>> - locked sun.nio.ch.uti...@284c8f79 >>> - locked java.util.collections$unmodifiable...@3a5f659a >>> - locked sun.nio.ch.epollselectori...@4d077f66 >>> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80) >>> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:84) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Listener.run(HBaseServer.java:308) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Server Responder" - Thread t...@16 >>> java.lang.Thread.State: RUNNABLE >>> at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) >>> at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:215) >>> at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:65) >>> at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69) >>> - locked sun.nio.ch.uti...@273d290c >>> - locked java.util.collections$unmodifiable...@2051e6f4 >>> - locked sun.nio.ch.epollselectori...@6111adbf >>> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Responder.run(HBaseServer.java:477) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "Timer-0" - Thread t...@46 >>> java.lang.Thread.State: TIMED_WAITING on java.util.taskqu...@50b27cde >>> at java.lang.Object.wait(Native Method) >>> at java.util.TimerThread.mainLoop(Timer.java:509) >>> at java.util.TimerThread.run(Timer.java:462) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "889074...@qtp0-1 - Acceptor0 [email protected]:60030" - >>> Thread t...@45 >>> java.lang.Thread.State: RUNNABLE >>> at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) >>> at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:215) >>> at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:65) >>> at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69) >>> - locked sun.nio.ch.uti...@1d7082c8 >>> - locked java.util.collections$unmodifiable...@b9bc44a >>> - locked sun.nio.ch.epollselectori...@6f7f73f7 >>> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80) >>> at >>> org.mortbay.io.nio.SelectorManager$SelectSet.doSelect(SelectorManager.java:429) >>> at org.mortbay.io.nio.SelectorManager.doSelect(SelectorManager.java:185) >>> at >>> org.mortbay.jetty.nio.SelectChannelConnector.accept(SelectChannelConnector.java:124) >>> at >>> org.mortbay.jetty.AbstractConnector$Acceptor.run(AbstractConnector.java:707) >>> at >>> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:522) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "1374821...@qtp0-0" - Thread t...@44 >>> java.lang.Thread.State: TIMED_WAITING on >>> org.mortbay.thread.queuedthreadpool$poolthr...@51f21c50 >>> at java.lang.Object.wait(Native Method) >>> at >>> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:565) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "regionserver/192.168.200.31:60020.leaseChecker" - Thread t...@23 >>> java.lang.Thread.State: TIMED_WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@7623fc35 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:1963) >>> at java.util.concurrent.DelayQueue.poll(DelayQueue.java:201) >>> at org.apache.hadoop.hbase.Leases.run(Leases.java:81) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "regionserver/192.168.200.31:60020.majorCompactionChecker" - Thread t...@22 >>> java.lang.Thread.State: TIMED_WAITING >>> at java.lang.Thread.sleep(Native Method) >>> at org.apache.hadoop.hbase.util.Sleeper.sleep(Sleeper.java:74) >>> at org.apache.hadoop.hbase.Chore.run(Chore.java:76) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "regionserver/192.168.200.31:60020.worker" - Thread t...@17 >>> java.lang.Thread.State: TIMED_WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@3483382b >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:1963) >>> at >>> java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:395) >>> at >>> org.apache.hadoop.hbase.regionserver.HRegionServer$Worker.run(HRegionServer.java:1425) >>> at java.lang.Thread.run(Thread.java:619) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "regionserver/192.168.200.31:60020.compactor" - Thread t...@19 >>> java.lang.Thread.State: TIMED_WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@12dca9fc >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:1963) >>> at >>> java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:395) >>> at >>> org.apache.hadoop.hbase.regionserver.CompactSplitThread.run(CompactSplitThread.java:85) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "regionserver/192.168.200.31:60020.cacheFlusher" - Thread t...@18 >>> java.lang.Thread.State: TIMED_WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@551be910 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:1963) >>> at >>> java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:395) >>> at >>> org.apache.hadoop.hbase.regionserver.MemStoreFlusher.run(MemStoreFlusher.java:145) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "regionserver/192.168.200.31:60020.logFlusher" - Thread t...@21 >>> java.lang.Thread.State: TIMED_WAITING >>> at java.lang.Thread.sleep(Native Method) >>> at org.apache.hadoop.hbase.util.Sleeper.sleep(Sleeper.java:74) >>> at org.apache.hadoop.hbase.Chore.run(Chore.java:76) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "regionserver/192.168.200.31:60020.logRoller" - Thread t...@20 >>> java.lang.Thread.State: TIMED_WAITING on >>> java.util.concurrent.atomic.atomicbool...@1b624517 >>> at java.lang.Object.wait(Native Method) >>> at org.apache.hadoop.hbase.regionserver.LogRoller.run(LogRoller.java:65) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "Timer thread for monitoring jvm" - Thread t...@42 >>> java.lang.Thread.State: TIMED_WAITING on java.util.taskqu...@63354999 >>> at java.lang.Object.wait(Native Method) >>> at java.util.TimerThread.mainLoop(Timer.java:509) >>> at java.util.TimerThread.run(Timer.java:462) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "Timer thread for monitoring hbase" - Thread t...@41 >>> java.lang.Thread.State: TIMED_WAITING on java.util.taskqu...@4c966553 >>> at java.lang.Object.wait(Native Method) >>> at java.util.TimerThread.mainLoop(Timer.java:509) >>> at java.util.TimerThread.run(Timer.java:462) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "LeaseChecker" - Thread t...@40 >>> java.lang.Thread.State: TIMED_WAITING >>> at java.lang.Thread.sleep(Native Method) >>> at org.apache.hadoop.hdfs.DFSClient$LeaseChecker.run(DFSClient.java:1066) >>> at java.lang.Thread.run(Thread.java:619) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "IPC Client (47) connection to /192.168.200.30:60000 from an unknown user" >>> - Thread t...@28 >>> java.lang.Thread.State: TIMED_WAITING on >>> org.apache.hadoop.hbase.ipc.hbaseclient$connect...@3ffe5e31 >>> at java.lang.Object.wait(Native Method) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseClient$Connection.waitForWork(HBaseClient.java:404) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseClient$Connection.run(HBaseClient.java:447) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "DestroyJavaVM" - Thread t...@27 >>> java.lang.Thread.State: RUNNABLE >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "regionserver/192.168.200.31:60020" - Thread t...@26 >>> java.lang.Thread.State: TIMED_WAITING >>> at java.lang.Thread.sleep(Native Method) >>> at org.apache.hadoop.hbase.util.Sleeper.sleep(Sleeper.java:74) >>> at >>> org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:594) >>> at java.lang.Thread.run(Thread.java:619) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "main-EventThread" - Thread t...@25 >>> java.lang.Thread.State: WAITING on >>> java.util.concurrent.locks.abstractqueuedsynchronizer$conditionobj...@54da03c9 >>> at sun.misc.Unsafe.park(Native Method) >>> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) >>> at >>> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925) >>> at >>> java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) >>> at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:414) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "main-SendThread" - Thread t...@24 >>> java.lang.Thread.State: RUNNABLE >>> at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) >>> at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:215) >>> at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:65) >>> at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69) >>> - locked sun.nio.ch.uti...@18969651 >>> - locked java.util.collections$unmodifiable...@4666ac73 >>> - locked sun.nio.ch.epollselectori...@7ec3d620 >>> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80) >>> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:921) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "Timer thread for monitoring rpc" - Thread t...@15 >>> java.lang.Thread.State: TIMED_WAITING on java.util.taskqu...@352eaca4 >>> at java.lang.Object.wait(Native Method) >>> at java.util.TimerThread.mainLoop(Timer.java:509) >>> at java.util.TimerThread.run(Timer.java:462) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "RMI TCP Accept-0" - Thread t...@12 >>> java.lang.Thread.State: RUNNABLE >>> at java.net.PlainSocketImpl.socketAccept(Native Method) >>> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:390) >>> - locked java.net.sockssocketi...@6b1f0fe4 >>> at java.net.ServerSocket.implAccept(ServerSocket.java:453) >>> at java.net.ServerSocket.accept(ServerSocket.java:421) >>> at >>> sun.management.jmxremote.LocalRMIServerSocketFactory$1.accept(LocalRMIServerSocketFactory.java:34) >>> at >>> sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369) >>> at >>> sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341) >>> at java.lang.Thread.run(Thread.java:619) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "RMI TCP Accept-10102" - Thread t...@11 >>> java.lang.Thread.State: RUNNABLE >>> at java.net.PlainSocketImpl.socketAccept(Native Method) >>> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:390) >>> - locked java.net.sockssocketi...@444c78ad >>> at java.net.ServerSocket.implAccept(ServerSocket.java:453) >>> at java.net.ServerSocket.accept(ServerSocket.java:421) >>> at >>> sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369) >>> at >>> sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341) >>> at java.lang.Thread.run(Thread.java:619) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "RMI TCP Accept-0" - Thread t...@10 >>> java.lang.Thread.State: RUNNABLE >>> at java.net.PlainSocketImpl.socketAccept(Native Method) >>> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:390) >>> - locked java.net.sockssocketi...@7886c8e2 >>> at java.net.ServerSocket.implAccept(ServerSocket.java:453) >>> at java.net.ServerSocket.accept(ServerSocket.java:421) >>> at >>> sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369) >>> at >>> sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341) >>> at java.lang.Thread.run(Thread.java:619) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "Signal Dispatcher" - Thread t...@5 >>> java.lang.Thread.State: RUNNABLE >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "Finalizer" - Thread t...@3 >>> java.lang.Thread.State: WAITING on >>> java.lang.ref.referencequeue$l...@b485e43 >>> at java.lang.Object.wait(Native Method) >>> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118) >>> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134) >>> at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> "Reference Handler" - Thread t...@2 >>> java.lang.Thread.State: WAITING on java.lang.ref.reference$l...@3c24867e >>> at java.lang.Object.wait(Native Method) >>> at java.lang.Object.wait(Object.java:485) >>> at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> --- >>> >>> Respectfully Yours, >>> Luke Forehand >>> Software Engineer >>> Networked Insights >>> http://www.networkedinsights.com >>> >
