Elliott Clark created HBASE-14555: ------------------------------------- Summary: Deadlock in MVCC branch-1.2 Key: HBASE-14555 URL: https://issues.apache.org/jira/browse/HBASE-14555 Project: HBase Issue Type: Bug Reporter: Elliott Clark Priority: Critical
Just saw this in an IT test. {code} Thread 75 (PriorityRpcServer.handler=3,queue=1,port=16020): State: BLOCKED Blocked count: 691635 Waited count: 1557446 Blocked on java.util.LinkedList@32b53d9e Blocked by 81 (PriorityRpcServer.handler=9,queue=1,port=16020) Stack: org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl.toString(MultiVersionConcurrencyControl.java:234) java.lang.String.valueOf(String.java:2994) java.lang.StringBuilder.append(StringBuilder.java:131) org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl.waitForRead(MultiVersionConcurrencyControl.java:209) org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl.completeAndWait(MultiVersionConcurrencyControl.java:144) org.apache.hadoop.hbase.regionserver.HRegion.doMiniBatchMutation(HRegion.java:3191) org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2837) org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2779) org.apache.hadoop.hbase.regionserver.RSRpcServices.doBatchOp(RSRpcServices.java:697) org.apache.hadoop.hbase.regionserver.RSRpcServices.doNonAtomicRegionMutation(RSRpcServices.java:659) org.apache.hadoop.hbase.regionserver.RSRpcServices.multi(RSRpcServices.java:2047) org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:32594) org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2120) org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:106) org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:130) org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:107) java.lang.Thread.run(Thread.java:745) Thread 81 (PriorityRpcServer.handler=9,queue=1,port=16020): State: BLOCKED Blocked count: 691858 Waited count: 1558138 Blocked on java.lang.Object@2a5e9ae8 Blocked by 75 (PriorityRpcServer.handler=3,queue=1,port=16020) Stack: org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl.complete(MultiVersionConcurrencyControl.java:191) org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl.completeAndWait(MultiVersionConcurrencyControl.java:143) org.apache.hadoop.hbase.regionserver.HRegion.doMiniBatchMutation(HRegion.java:3191) org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2837) org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2779) org.apache.hadoop.hbase.regionserver.RSRpcServices.doBatchOp(RSRpcServices.java:697) org.apache.hadoop.hbase.regionserver.RSRpcServices.doNonAtomicRegionMutation(RSRpcServices.java:659) org.apache.hadoop.hbase.regionserver.RSRpcServices.multi(RSRpcServices.java:2047) org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:32594) org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2120) org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:106) org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:130) org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:107) java.lang.Thread.run(Thread.java:745) Thread 80 (PriorityRpcServer.handler=8,queue=0,port=16020): {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)