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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6472) MapReduce AM should have java.io.tmpdir=./tmp to be consistent with tasks
Date Wed, 16 Sep 2015 00:04:46 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14746538#comment-14746538
] 

Hudson commented on MAPREDUCE-6472:
-----------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #2314 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/2314/])
MAPREDUCE-6472. MapReduce AM should have java.io.tmpdir=./tmp to be consistent with tasks.
Contributed by Naganarasimha G R (jlowe: rev 62943b8e3aff3b274c439f72a8bb86094c1ab0e8)
* hadoop-mapreduce-project/CHANGES.txt
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/YARNRunner.java
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestYARNRunner.java


> MapReduce AM should have java.io.tmpdir=./tmp to be consistent with tasks
> -------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6472
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6472
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mr-am
>    Affects Versions: 2.6.0
>            Reporter: Jason Lowe
>            Assignee: Naganarasimha G R
>             Fix For: 2.7.2
>
>         Attachments: MAPREDUCE-6472.20150914-1.patch, MAPREDUCE-6472.20150914-2.patch
>
>
> MapReduceChildJVM.getVMCommand ensures that all tasks have -Djava.io.tmpdir=./tmp set
as part of the task command-line, but this is only used for tasks.  The AM itself does not
have a corresponding java.io.tmpdir setting.  It should also use the same tmpdir setting to
avoid cases where the AM JVM wants to place files in /tmp by default.



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