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From myui <...@git.apache.org>
Subject [GitHub] incubator-hivemall issue #105: [WIP][HIVEMALL-24] Scalable field-aware facto...
Date Fri, 28 Jul 2017 11:54:14 GMT
Github user myui commented on the issue:

    https://github.com/apache/incubator-hivemall/pull/105
  
    ```
    2017-07-28 11:52:50,625 [ERROR] [TezChild] |tez.TezProcessor|: java.lang.OutOfMemoryError:
Java heap space
    	at hivemall.utils.collections.maps.Int2LongOpenHashTable.rehash(Int2LongOpenHashTable.java:320)
    	at hivemall.utils.collections.maps.Int2LongOpenHashTable.ensureCapacity(Int2LongOpenHashTable.java:310)
    	at hivemall.utils.collections.maps.Int2LongOpenHashTable.preAddEntry(Int2LongOpenHashTable.java:202)
    	at hivemall.utils.collections.maps.Int2LongOpenHashTable.put(Int2LongOpenHashTable.java:146)
    	at hivemall.fm.FFMStringFeatureMapModel.getV(FFMStringFeatureMapModel.java:168)
    	at hivemall.fm.FieldAwareFactorizationMachineModel.predict(FieldAwareFactorizationMachineModel.java:89)
    	at hivemall.fm.FieldAwareFactorizationMachineUDTF.trainTheta(FieldAwareFactorizationMachineUDTF.java:194)
    	at hivemall.fm.FieldAwareFactorizationMachineUDTF.train(FieldAwareFactorizationMachineUDTF.java:184)
    	at hivemall.fm.FactorizationMachineUDTF.process(FactorizationMachineUDTF.java:285)
    	at org.apache.hadoop.hive.ql.exec.UDTFOperator.process(UDTFOperator.java:116)
    	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:878)
    	at org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:95)
    	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:878)
    	at org.apache.hadoop.hive.ql.exec.TableScanOperator.process(TableScanOperator.java:130)
    	at org.apache.hadoop.hive.ql.exec.MapOperator$MapOpCtx.forward(MapOperator.java:149)
    	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:489)
    	at org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.processRow(MapRecordSource.java:86)
    	at org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.pushRecord(MapRecordSource.java:70)
    	at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.run(MapRecordProcessor.java:360)
    	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:172)
    	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:160)
    	at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:370)
    	at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:73)
    	at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:61)
    	at java.security.AccessController.doPrivileged(Native Method)
    	at javax.security.auth.Subject.doAs(Subject.java:422)
    	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
    	at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:61)
    	at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:37)
    	at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
    	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    ```


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