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https://issues.apache.org/jira/browse/PIG-2999?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Koji Noguchi updated PIG-2999:
------------------------------
Attachment: pig-2999-v1.txt
During the performance test in pig-2975, I made a change inside
compareBinInterSedesDatum for bytearray comparisons but didn't update the
bytebuffer position after the read leading to random failures when bytebuffer
is accessed afterwards.
> Regression after PIG-2975: BinInterSedesTupleRawComparator secondary sort
> failing
> ---------------------------------------------------------------------------------
>
> Key: PIG-2999
> URL: https://issues.apache.org/jira/browse/PIG-2999
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.11, 0.12
> Reporter: Koji Noguchi
> Attachments: pig-2999-v1.txt
>
>
> I think I broke the build from PIG-2975. I see couple of tests failing at
> BinInterSedesTupleRawComparator.
> {noformat}
> 12/10/22 22:26:15 WARN mapred.LocalJobRunner: job_local_0022
> java.nio.BufferUnderflowException
> at java.nio.Buffer.nextGetIndex(Buffer.java:478)
> at java.nio.HeapByteBuffer.getLong(HeapByteBuffer.java:387)
> at
> org.apache.pig.data.BinInterSedes$BinInterSedesTupleRawComparator.compareBinInterSedesDatum(BinInterSedes.java:829)
> at
> org.apache.pig.data.BinInterSedes$BinInterSedesTupleRawComparator.compareBinSedesTuple(BinInterSedes.java:732)
> at
> org.apache.pig.data.BinInterSedes$BinInterSedesTupleRawComparator.compare(BinInterSedes.java:695)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigSecondaryKeyComparator.compare(PigSecondaryKeyComparator.java:78)
> at org.apache.hadoop.mapred.Merger$MergeQueue.lessThan(Merger.java:373)
> at org.apache.hadoop.util.PriorityQueue.downHeap(PriorityQueue.java:139)
> at
> org.apache.hadoop.util.PriorityQueue.adjustTop(PriorityQueue.java:103)
> at
> org.apache.hadoop.mapred.Merger$MergeQueue.adjustPriorityQueue(Merger.java:335)
> at org.apache.hadoop.mapred.Merger$MergeQueue.next(Merger.java:350)
> at org.apache.hadoop.mapred.ReduceTask$4.next(ReduceTask.java:625)
> at
> org.apache.hadoop.mapreduce.ReduceContext.nextKeyValue(ReduceContext.java:117)
> at
> org.apache.hadoop.mapreduce.ReduceContext.nextKey(ReduceContext.java:92)
> at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:175)
> at
> org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:649)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:417)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:260)
> {noformat}
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