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Posted to issues@hivemall.apache.org by GitBox <gi...@apache.org> on 2019/09/03 18:30:40 UTC

[GitHub] [incubator-hivemall] myui commented on issue #198: [WIP][HIVEMALL-245] Refactor RandomForest for Sparse Data handling

myui commented on issue #198: [WIP][HIVEMALL-245] Refactor RandomForest for Sparse Data handling
URL: https://github.com/apache/incubator-hivemall/pull/198#issuecomment-527582440
 
 
   ```
   ed by: org.apache.hadoop.hive.ql.metadata.HiveException: java.util.concurrent.ExecutionException: java.lang.OutOfMemoryError: GC overhead limit exceeded
           at hivemall.smile.classification.RandomForestClassifierUDTF.train(RandomForestClassifierUDTF.java:415)
           at hivemall.smile.classification.RandomForestClassifierUDTF.close(RandomForestClassifierUDTF.java:353)
           at org.apache.hadoop.hive.ql.exec.UDTFOperator.closeOp(UDTFOperator.java:152)
           at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:697)
           at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:711)
           at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:711)
           at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:711)
           at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.close(MapRecordProcessor.java:464)
           ... 15 more
   Caused by: java.util.concurrent.ExecutionException: java.lang.OutOfMemoryError: GC overhead limit exceeded
           at java.util.concurrent.FutureTask.report(FutureTask.java:122)
           at java.util.concurrent.FutureTask.get(FutureTask.java:192)
           at hivemall.smile.utils.SmileTaskExecutor.run(SmileTaskExecutor.java:81)
           at hivemall.smile.classification.RandomForestClassifierUDTF.train(RandomForestClassifierUDTF.java:413)
           ... 22 more
   Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded
           at hivemall.utils.collections.arrays.SparseIntArray.forEach(SparseIntArray.java:286)
           at hivemall.smile.classification.DecisionTree.partitionArray(DecisionTree.java:1028)
           at hivemall.smile.classification.DecisionTree.access$1700(DecisionTree.java:119)
           at hivemall.smile.classification.DecisionTree$TrainNode$4.accept(DecisionTree.java:997)
           at hivemall.smile.utils.VariableOrder.eachRow(VariableOrder.java:41)
           at hivemall.smile.classification.DecisionTree$TrainNode.partitionOrder(DecisionTree.java:994)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:896)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
           at hivemall.smile.classification.DecisionTree$TrainNode.split(DecisionTree.java:924)
   ```

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