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From "Bibin A Chundatt (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6581) Shuffle failure incase of NativeMapOutputCollectorDelegator with intermediate-data encrypt
Date Fri, 18 Dec 2015 18:19:46 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15064398#comment-15064398
] 

Bibin A Chundatt commented on MAPREDUCE-6581:
---------------------------------------------

HI [~Naganarasimha Garla] Thank you. Should be 3.0.0 ?? Any thoughts on issue??

> Shuffle failure incase of NativeMapOutputCollectorDelegator with intermediate-data encrypt
> ------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6581
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6581
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Bibin A Chundatt
>            Priority: Blocker
>
> *Steps to reproduce*
> # Create data with teragen
> # Run terasort on data prepared using teragen
> Commands used 
> ./yarn jar ../share/hadoop/mapreduce/hadoop-mapreduce-examples-3.0.0-SNAPSHOT.jar teragen
1024000 /Terainput1
> ./yarn jar ../share/hadoop/mapreduce/hadoop-mapreduce-examples-3.0.0-SNAPSHOT.jar terasort
-Dmapreduce.job.encrypted-intermediate-data=true -Dmapreduce.job.map.output.collector.class=org.apache.hadoop.mapred.nativetask.NativeMapOutputCollectorDelegator
 -Dmapreduce.map.output.compress=true  -Dmapreduce.map.output.compress.codec=org.apache.hadoop.io.compress.SnappyCodec
-Dmapreduce.output.fileoutputformat.compress=true -Dmapreduce.output.fileoutputformat.compress.type=BLOCK
-Dmapreduce.output.fileoutputformat.compress.codec=org.apache.hadoop.io.compress.GzipCodec
-Dmapreduce.reduce.memory.mb=1024 /Terainput1/Teraout12
> {noformat}
> 15/12/18 23:07:57 INFO mapreduce.Job: Task Id : attempt_1450453391718_0017_r_000000_2,
Status : FAILED
> Error: org.apache.hadoop.mapreduce.task.reduce.Shuffle$ShuffleError: error in shuffle
in fetcher#5
> 	at org.apache.hadoop.mapreduce.task.reduce.Shuffle.run(Shuffle.java:134)
> 	at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:376)
> 	at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:174)
> 	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:1669)
> 	at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:168)
> Caused by: java.lang.ArrayIndexOutOfBoundsException
> 	at org.apache.hadoop.io.compress.snappy.SnappyDecompressor.setInput(SnappyDecompressor.java:107)
> 	at org.apache.hadoop.io.compress.BlockDecompressorStream.decompress(BlockDecompressorStream.java:104)
> 	at org.apache.hadoop.io.compress.DecompressorStream.read(DecompressorStream.java:85)
> 	at org.apache.hadoop.io.IOUtils.readFully(IOUtils.java:201)
> 	at org.apache.hadoop.mapreduce.task.reduce.InMemoryMapOutput.doShuffle(InMemoryMapOutput.java:90)
> 	at org.apache.hadoop.mapreduce.task.reduce.IFileWrappedMapOutput.shuffle(IFileWrappedMapOutput.java:63)
> 	at org.apache.hadoop.mapreduce.task.reduce.Fetcher.copyMapOutput(Fetcher.java:538)
> 	at org.apache.hadoop.mapreduce.task.reduce.Fetcher.copyFromHost(Fetcher.java:336)
> 	at org.apache.hadoop.mapreduce.task.reduce.Fetcher.run(Fetcher.java:193)
> {noformat}



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