zhaoyunjiong created HBASE-12667:
------------------------------------
Summary: Deadlock in AssignmentManager
Key: HBASE-12667
URL: https://issues.apache.org/jira/browse/HBASE-12667
Project: HBase
Issue Type: Bug
Components: master
Affects Versions: 0.98.0
Reporter: zhaoyunjiong
No order between regionPlans and regionStates caused dead lock.
Trunk don't have the problem since it's already got refactor.
"master:phxhshdc11en0004:60000":
at
org.apache.hadoop.hbase.master.AssignmentManager.clearRegionPlan(AssignmentManager.java:2898)
- waiting to lock <0x000000048cefe520> (a java.util.TreeMap)
at
org.apache.hadoop.hbase.master.AssignmentManager.regionOnline(AssignmentManager.java:1286)
at
org.apache.hadoop.hbase.master.AssignmentManager.handleRegionSplitting(AssignmentManager.java:3552)
- locked <0x000000048cf6fc10> (a
org.apache.hadoop.hbase.master.RegionStates)
at
org.apache.hadoop.hbase.master.AssignmentManager.processRegionsInTransition(AssignmentManager.java:732)
at
org.apache.hadoop.hbase.master.AssignmentManager.processRegionInTransition(AssignmentManager.java:601)
at
org.apache.hadoop.hbase.master.AssignmentManager.processDeadServersAndRecoverLostRegions(AssignmentManager.java:2851)
at
org.apache.hadoop.hbase.master.AssignmentManager.processDeadServersAndRegionsInTransition(AssignmentManager.java:519)
at
org.apache.hadoop.hbase.master.AssignmentManager.joinCluster(AssignmentManager.java:459)
at
org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:900)
at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:609)
at java.lang.Thread.run(Thread.java:744)
"AM.-pool1-t10":
at
org.apache.hadoop.hbase.master.RegionStates.getRegionAssignments(RegionStates.java:154)
- waiting to lock <0x000000048cf6fc10> (a
org.apache.hadoop.hbase.master.RegionStates)
at
org.apache.hadoop.hbase.master.AssignmentManager.getSnapShotOfAssignment(AssignmentManager.java:3610)
at
org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.getRegionAssignmentsByServer(BaseLoadBalancer.java:1146)
at
org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.createCluster(BaseLoadBalancer.java:959)
at
org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.randomAssignment(BaseLoadBalancer.java:1010)
at
org.apache.hadoop.hbase.master.AssignmentManager.getRegionPlan(AssignmentManager.java:2209)
- locked <0x000000048cefe520> (a java.util.TreeMap)
at
org.apache.hadoop.hbase.master.AssignmentManager.getRegionPlan(AssignmentManager.java:2166)
at
org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1886)
at
org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1445)
at
org.apache.hadoop.hbase.master.AssignCallable.call(AssignCallable.java:45)
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:744)
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
