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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3004) sort example fails in shuffle/reduce stage as it assumes a local job by default
Date Tue, 20 Sep 2011 13:00:09 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3004?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13108646#comment-13108646
] 

Hudson commented on MAPREDUCE-3004:
-----------------------------------

Integrated in Hadoop-Hdfs-trunk #806 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/806/])
    MAPREDUCE-3004. Fix ReduceTask to not assume 'local' mode in YARN. Contributed by Hitesh
Shah.

acmurthy : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1172893
Files : 
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/ReduceTask.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRConfig.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/YarnClientProtocolProvider.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestClientRedirect.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/MiniMRYarnCluster.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobs.java


> sort example fails in shuffle/reduce stage as it assumes a local job by default 
> --------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3004
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3004
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Hitesh Shah
>            Assignee: Hitesh Shah
>            Priority: Minor
>             Fix For: 0.23.0
>
>         Attachments: mapreduce-3004-branch-0.23.2.patch, mapreduce-3004-branch-0.23.3.patch,
mapreduce-3004-branch-0.23.patch
>
>
> Log trace when running sort on a single node setup:
> 11/09/13 17:01:06 INFO mapreduce.Job:  map 100% reduce 0%
> 11/09/13 17:01:10 INFO mapreduce.Job: Task Id : attempt_1315949787252_0009_r_000000_0,
Status : FAILED
> java.lang.UnsupportedOperationException: Incompatible with LocalRunner
> 	at org.apache.hadoop.mapred.YarnOutputFiles.getInputFile(YarnOutputFiles.java:200)
> 	at org.apache.hadoop.mapred.ReduceTask.getMapFiles(ReduceTask.java:183)
> 	at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:365)
> 	at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:148)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:396)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1135)
> 	at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:143)

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