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Heng Chen commented on HBASE-15900: ----------------------------------- Yeah , it looks like this bug block the longCompaction thread. I notice [~ndimiduk] comments, any plan to upgrade branch-1.1 hadoop version to 2.6.0 ? [~ndimiduk] > RS stuck in get lock of HStore > ------------------------------ > > Key: HBASE-15900 > URL: https://issues.apache.org/jira/browse/HBASE-15900 > Project: HBase > Issue Type: Bug > Affects Versions: 1.1.1, 1.3.0 > Reporter: Heng Chen > Attachments: 0d32a6bab354e6cc170cd59a2d485797.jstack.txt, > 0d32a6bab354e6cc170cd59a2d485797.rs.log, 9fe15a52_9fe15a52_save, > c91324eb_81194e359707acadee2906ffe36ab130.log, dump.txt > > > It happens on my production cluster when i run MR job. I save the dump.txt > from this RS webUI. > Many threads stuck here: > {code} > Thread 133 (B.defaultRpcServer.handler=94,queue=4,port=16020): > 32 State: WAITING > 31 Blocked count: 477816 > 30 Waited count: 535255 > 29 Waiting on > java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync@6447ba67 > 28 Stack: > 27 sun.misc.Unsafe.park(Native Method) > 26 java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) > 25 > java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836) > 24 > java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireShared(AbstractQueuedSynchronizer.java:967) > 23 > java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireShared(AbstractQueuedSynchronizer.java:1283) > 22 > java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock.lock(ReentrantReadWriteLock.java:727) > 21 org.apache.hadoop.hbase.regionserver.HStore.add(HStore.java:666) > 20 > org.apache.hadoop.hbase.regionserver.HRegion.applyFamilyMapToMemstore(HRegion.java:3621) > 19 > org.apache.hadoop.hbase.regionserver.HRegion.doMiniBatchMutation(HRegion.java:3038) > 18 > org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2793) > 17 > org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2735) > 16 > org.apache.hadoop.hbase.regionserver.RSRpcServices.doBatchOp(RSRpcServices.java:692) > 15 > org.apache.hadoop.hbase.regionserver.RSRpcServices.doNonAtomicRegionMutation(RSRpcServices.java:654) > 14 > org.apache.hadoop.hbase.regionserver.RSRpcServices.multi(RSRpcServices.java:2029) > 13 > org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:32213) > 12 org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2112) > 11 org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:101) > 10 > org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:130) > 9 org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:107) > 8 java.lang.Thread.run(Thread.java:745) > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)