Details
Description
We have seen the clients hanging in running the test IntegrationTestRegionReplicaPerf in 1.1 code base during the test.The jstack gives:
"IPC Client (1344340481) connection to os-enis-dal-test-jun-4-1.openstacklocal/172.22.80.25:16020 from root - writer" daemon prio=10 tid=0x00007f3891b29800 nid=0x7345 waiting on condition [0x00007f3865647000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x000000070d54a240> (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.ArrayBlockingQueue.take(ArrayBlockingQueue.java:374) at org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection$CallSender.run(RpcClientImpl.java:253) "TestClient-3" prio=10 tid=0x00007f3892660800 nid=0x63b0 waiting on condition [0x00007f386ecdd000] java.lang.Thread.State: TIMED_WAITING (sleeping) at java.lang.Thread.sleep(Native Method) at org.apache.hadoop.hbase.ipc.RpcClientImpl.close(RpcClientImpl.java:1139) at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.internalClose(ConnectionManager.java:2371) at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.close(ConnectionManager.java:2384) at org.apache.hadoop.hbase.PerformanceEvaluation$Test.testTakedown(PerformanceEvaluation.java:1036) at org.apache.hadoop.hbase.PerformanceEvaluation$RandomReadTest.testTakedown(PerformanceEvaluation.java:1351) at org.apache.hadoop.hbase.PerformanceEvaluation$Test.test(PerformanceEvaluation.java:1055) at org.apache.hadoop.hbase.PerformanceEvaluation.runOneClient(PerformanceEvaluation.java:1612) at org.apache.hadoop.hbase.PerformanceEvaluation$1.call(PerformanceEvaluation.java:410) at org.apache.hadoop.hbase.PerformanceEvaluation$1.call(PerformanceEvaluation.java:405) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)