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https://issues.apache.org/jira/browse/HBASE-23173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Stack resolved HBASE-23173.
-----------------------------------
Resolution: Duplicate
Duplicate of HBASE-22739
> ArrayIndexOutOfBoundsException in BaseLoadBalancer$Cluster.removeRegion
> -----------------------------------------------------------------------
>
> Key: HBASE-23173
> URL: https://issues.apache.org/jira/browse/HBASE-23173
> Project: HBase
> Issue Type: Bug
> Affects Versions: cdh6.3 1.2++
> Reporter: Michael Stack
> Priority: Major
>
> 175 nodes with 12237 regions.
> {code}
> 2019-10-14 23:45:47,823 INFO
> org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer: start
> StochasticLoadBalancer.balancer, initCost=110946.81226093257,
> functionCost=RegionCountSkewCostFunction : (500.0, 0.9166818227745739);
> PrimaryRegionCountSkewCostFunction : (500.0, 0.9166048407040664);
> MoveCostFunction : (7.0, 0.0); ServerLocalityCostFunction : (25.0,
> 0.5597851965798261); RackLocalityCostFunction : (15.0, 0.5811675989545179);
> TableSkewCostFunction : (35.0, 0.08287855195593785);
> RegionReplicaHostCostFunction : (100000.0, 1.0);
> RegionReplicaRackCostFunction : (10000.0, 1.0); ReadRequestCostFunction :
> (5.0, 0.0); WriteRequestCostFunction : (5.0, 0.0); MemStoreSizeCostFunction :
> (5.0, 0.0); StoreFileCostFunction : (5.0, 0.9112071951944016);
> computedMaxSteps: 1000000
> 2019-10-14 23:45:47,933 ERROR org.apache.hadoop.hbase.ScheduledChore: Caught
> error
> java.lang.ArrayIndexOutOfBoundsException: Index 145 out of bounds for length
> 145
> at
> org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer$Cluster.removeRegion(BaseLoadBalancer.java:873)
> at
> org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer$Cluster.doAction(BaseLoadBalancer.java:716)
> at
> org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.balanceCluster(StochasticLoadBalancer.java:406)
> at
> org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.balanceCluster(StochasticLoadBalancer.java:317)
> at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:1663)
> at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:1580)
> at
> org.apache.hadoop.hbase.master.balancer.BalancerChore.chore(BalancerChore.java:49)
> at org.apache.hadoop.hbase.ScheduledChore.run(ScheduledChore.java:186)
> at
> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
> at
> java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
> at
> java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
> at
> org.apache.hadoop.hbase.JitterScheduledThreadPoolExecutorImpl$JitteredRunnableScheduledFuture.run(JitterScheduledThreadPoolExecutorImpl.java:111)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> at java.base/java.lang.Thread.run(Thread.java:834)
> {code}
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