[PIG-4516] RANK in Tez generates OOM: Java heap space

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.14.0
• Component/s: tez
• Assignee: Unassigned
• Reporter: Carlos Balduz
• Created: 23/Apr/15 10:57
• Updated: 23/Apr/15 23:26

Description

Running a script with a RANK operator using Tez generates a OOM error. The script continues and ends successfully, but during the execution there are several failed tasks.

2015-04-23 12:48:54,881 INFO [AsyncDispatcher event handler] history.HistoryEventHandler: [HISTORY][DAG:dag_1429175510653_0318_1][Event:TASK_ATTEMPT_FINISHED]: vertexName=scope-75, taskAttemptId=attempt_1429175510653_0318_1_01_000111_0, startTime=1429786121169, finishTime=1429786134880, timeTaken=13711, status=FAILED, diagnostics=Error: Fatal Error cause TezChild exit.:java.lang.OutOfMemoryError: Java heap space
	at org.apache.tez.runtime.library.common.sort.impl.dflt.DefaultSorter.<init>(DefaultSorter.java:140)
	at org.apache.tez.runtime.library.output.OrderedPartitionedKVOutput.start(OrderedPartitionedKVOutput.java:114)
	at org.apache.pig.backend.hadoop.executionengine.tez.runtime.PigProcessor.initializeOutputs(PigProcessor.java:299)
	at org.apache.pig.backend.hadoop.executionengine.tez.runtime.PigProcessor.run(PigProcessor.java:181)
	at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:324)
	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:176)
	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:168)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.call(TezTaskRunner.java:168)
	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.call(TezTaskRunner.java:163)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)