Elliott Clark created HBASE-14555:
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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}
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