[PIG-766] ava.lang.OutOfMemoryError: Java heap space

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.2.0, 0.7.0
• Component/s: impl

Environment

Hadoop-0.18.3 (cloudera RPMs).
mapred.child.java.opts=-Xmx1024m

• Assignee: Unassigned
• Reporter: Vadim Zaliva
• Created: 14/Apr/09 23:33
• Updated: 09/Aug/18 09:33
• Resolved: 01/May/10 00:35

Description

My pig script always fails with the following error:

Java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2786)
at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:94)
at java.io.DataOutputStream.write(DataOutputStream.java:90)
at java.io.FilterOutputStream.write(FilterOutputStream.java:80)
at org.apache.pig.data.DataReaderWriter.writeDatum(DataReaderWriter.java:213)
at org.apache.pig.data.DefaultTuple.write(DefaultTuple.java:291)
at org.apache.pig.data.DefaultAbstractBag.write(DefaultAbstractBag.java:233)
at org.apache.pig.data.DataReaderWriter.writeDatum(DataReaderWriter.java:162)
at org.apache.pig.data.DefaultTuple.write(DefaultTuple.java:291)
at org.apache.pig.impl.io.PigNullableWritable.write(PigNullableWritable.java:83)
at org.apache.hadoop.io.serializer.WritableSerialization$WritableSerializer.serialize(WritableSerialization.java:90)
at org.apache.hadoop.io.serializer.WritableSerialization$WritableSerializer.serialize(WritableSerialization.java:77)
at org.apache.hadoop.mapred.IFile$Writer.append(IFile.java:156)
at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.spillSingleRecord(MapTask.java:857)
at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.collect(MapTask.java:467)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.collect(PigMapReduce.java:101)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:219)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:208)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:86)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:227)
at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2198)

Issue Links

• is cloned by: PIG-5353 CLONE - ava.lang.OutOfMemoryError: Java heap space