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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4408) allow jobs to set a JAR that is in the distributed cached
Date Thu, 27 Sep 2012 12:44:15 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4408?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13464674#comment-13464674
] 

Hudson commented on MAPREDUCE-4408:
-----------------------------------

Integrated in Hadoop-Hdfs-0.23-Build #387 (See [https://builds.apache.org/job/Hadoop-Hdfs-0.23-Build/387/])
    svn merge -c 1377149 FIXES: MAPREDUCE-4408. allow jobs to set a JAR that is in the distributed
cached (rkanter via tucu) (Revision 1390629)

     Result = UNSTABLE
bobby : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1390629
Files : 
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/JobSubmitter.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/YARNRunner.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/MiniMRYarnCluster.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobs.java

                
> allow jobs to set a JAR that is in the distributed cached
> ---------------------------------------------------------
>
>                 Key: MAPREDUCE-4408
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4408
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv1, mrv2
>    Affects Versions: 1.0.3, 2.0.0-alpha
>            Reporter: Alejandro Abdelnur
>            Assignee: Robert Kanter
>             Fix For: 1.2.0, 2.0.2-alpha, 0.23.4
>
>         Attachments: MAPREDUCE-4408-branch-1.patch, MAPREDUCE-4408.patch, MAPREDUCE-4408.patch
>
>
> Setting a job JAR with JobConf.setJar(String) and Job.setJar(String) assumes that the
JAR is local to the client submitting the job, thus it triggers copying the JAR to HDFS and
injecting it to the distributed cached.
> AFAIK, this is the only way to use uber JARs (JARs with JARs inside) in MR jobs.
> For jobs launched by Oozie, all JARs are already in HDFS. In order for Oozie to suport
uber JARs (OOZIE-654) there should be a way for specifying as JAR a JAR that is already in
HDFS.

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