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From "Mohammad Kamrul Islam (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HADOOP-11139) Allow user to choose JVM for container execution
Date Mon, 29 Sep 2014 06:58:35 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-11139?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Mohammad Kamrul Islam resolved HADOOP-11139.
      Resolution: Implemented
    Release Note: 
As mentioned in the patch of YARN-1964
hadoop jar $HADOOP_INSTALLATION_DIR/share/hadoop/mapreduce/hadoop-mapreduce-examples-*.jar
teragen \
-Dmapreduce.map.env="JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64" \
-Dyarn.app.mapreduce.am.env="JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64" \
1000 teragen_out_dir

> Allow user to choose JVM for container execution
> ------------------------------------------------
>                 Key: HADOOP-11139
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11139
>             Project: Hadoop Common
>          Issue Type: Task
>            Reporter: Mohammad Kamrul Islam
>            Assignee: Mohammad Kamrul Islam
> Hadoop currently supports one JVM defined through JAVA_HOME. 
> Since multiple JVMs (Java 6,7,8,9) are active, it will be helpful if there is an user
configuration to choose the custom but supported JVM for her job.
> In other words, user will be able to choose her expected JVM only for her container execution
while Hadoop services may be running on different JVM.

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