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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2018/07/25 05:11:00 UTC
[jira] [Created] (HBASE-20936) BaseLoadBalancer throws
ArrayIndexOutOfBoundsException
stack created HBASE-20936:
-----------------------------
Summary: BaseLoadBalancer throws ArrayIndexOutOfBoundsException
Key: HBASE-20936
URL: https://issues.apache.org/jira/browse/HBASE-20936
Project: HBase
Issue Type: Bug
Components: Balancer
Affects Versions: 2.0.1
Reporter: stack
I see the below in a test cluster. The balancer code has been in place a long time. Not sure why its doing the below. Will look later. Meantime, making a record of it.
{code}
2018-07-24 22:03:43,261 INFO [master/ve0524:16000.Chore.1] balancer.StochasticLoadBalancer: start StochasticLoadBalancer.balancer, initCost=280.47655219381977, functionCost=RegionCountSkewCostFunction : (500.0, 0.4992354740061162); PrimaryRegionCountSkewCostFunction : (500.0, 0.0); MoveCostFunction : (7.0, 0.0); ServerLocalityCostFunction : (25.0, 0.5961002123692674); RackLocalityCostFunction : (15.0, 0.0); TableSkewCostFunction : (35.0, 0.3660578386605784); RegionReplicaHostCostFunction : (100000.0, 0.0); RegionReplicaRackCostFunction : (10000.0, 0.0); ReadRequestCostFunction : (5.0, 0.0); WriteRequestCostFunction : (5.0, 0.0); MemStoreSizeCostFunction : (5.0, 0.0); StoreFileCostFunction : (5.0, 0.6288571056819432);
2018-07-24 22:03:43,322 ERROR [master/ve0524:16000.Chore.1] hbase.ScheduledChore: Caught error
java.lang.ArrayIndexOutOfBoundsException: 64
at org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer$Cluster.removeRegion(BaseLoadBalancer.java:872)
at org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer$Cluster.regionMoved(BaseLoadBalancer.java:827)
at org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer$Cluster.doAction(BaseLoadBalancer.java:723)
at org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.balanceCluster(StochasticLoadBalancer.java:399)
at org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.balanceCluster(StochasticLoadBalancer.java:318)
at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:1514)
at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:1445)
at org.apache.hadoop.hbase.master.balancer.BalancerChore.chore(BalancerChore.java:49)
at org.apache.hadoop.hbase.ScheduledChore.run(ScheduledChore.java:186)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at org.apache.hadoop.hbase.JitterScheduledThreadPoolExecutorImpl$JitteredRunnableScheduledFuture.run(JitterScheduledThreadPoolExecutorImpl.java:111)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
2018-07-24 22:08:20,101 INFO [LruBlockCacheStatsExecutor] hfile.LruBlockCache: totalSize=4.61 MB, freeSize=6.14 GB, max=6.14 GB, blockCount=0, accesses=0, hits=0, hitRatio=0, cachingAccesses=0, cachingHits=0, cachingHitsRatio=0,evictions=119, evicted=0, evictedPerRun=0.0
2018-07-24 22:08:38,101 INFO [master/ve0524:16000.Chore.1] balancer.StochasticLoadBalancer: start StochasticLoadBalancer.balancer, initCost=280.4765419610035, functionCost=RegionCountSkewCostFunction : (500.0, 0.4992354740061162); PrimaryRegionCountSkewCostFunction : (500.0, 0.0); MoveCostFunction : (7.0, 0.0); ServerLocalityCostFunction : (25.0, 0.5961002123692674); RackLocalityCostFunction : (15.0, 0.0); TableSkewCostFunction : (35.0, 0.3660578386605784); RegionReplicaHostCostFunction : (100000.0, 0.0); RegionReplicaRackCostFunction : (10000.0, 0.0); ReadRequestCostFunction : (5.0, 0.0); WriteRequestCostFunction : (5.0, 0.0); MemStoreSizeCostFunction : (5.0, 0.0); StoreFileCostFunction : (5.0, 0.6288550591186913);
2018-07-24 22:08:38,103 ERROR [master/ve0524:16000.Chore.1] hbase.ScheduledChore: Caught error
java.lang.ArrayIndexOutOfBoundsException: 100
at org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer$Cluster.removeRegion(BaseLoadBalancer.java:872)
at org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer$Cluster.regionMoved(BaseLoadBalancer.java:827)
at org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer$Cluster.doAction(BaseLoadBalancer.java:723)
at org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.balanceCluster(StochasticLoadBalancer.java:399)
at org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.balanceCluster(StochasticLoadBalancer.java:318)
at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:1514)
at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:1445)
at org.apache.hadoop.hbase.master.balancer.BalancerChore.chore(BalancerChore.java:49)
at org.apache.hadoop.hbase.ScheduledChore.run(ScheduledChore.java:186)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at org.apache.hadoop.hbase.JitterScheduledThreadPoolExecutorImpl$JitteredRunnableScheduledFuture.run(JitterScheduledThreadPoolExecutorImpl.java:111)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
{code}
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