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https://issues.apache.org/jira/browse/MAPREDUCE-3505?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy updated MAPREDUCE-3505:
-------------------------------------
Affects Version/s: (was: 0.23.1)
Status: Open (was: Patch Available)
My preference would be to avoid using configuration for this. Maybe we can
detect the paths from the NM's classpath or some clever hack? Thus, we could
avoid the hardcoding too...
> yarn APPLICATION_CLASSPATH needs to be overridable
> --------------------------------------------------
>
> Key: MAPREDUCE-3505
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3505
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Bruno Mahé
> Assignee: Ahmed Radwan
> Labels: bigtop
> Attachments: MAPREDUCE-3505.patch
>
>
> Right now MRApps sets the classpath to just being mrapp-generated-classpath,
> its content and a hardcoded list of directories.
> If I understand correctly mrapp-generated-classpath is only there for testing
> and may change or disappear at any time
> The list of hardcoded directories is defined in
> hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/ApplicationConstants.java
> at line 92.
> For convenience, here is its current content:
> {noformat}
> /**
> * Classpath for typical applications.
> */
> public static final String[] APPLICATION_CLASSPATH =
> new String[] {
> "$HADOOP_CONF_DIR",
> "$HADOOP_COMMON_HOME/share/hadoop/common/*",
> "$HADOOP_COMMON_HOME/share/hadoop/common/lib/*",
> "$HADOOP_HDFS_HOME/share/hadoop/hdfs/*",
> "$HADOOP_HDFS_HOME/share/hadoop/hdfs/lib/*",
> "$YARN_HOME/modules/*",
> "$YARN_HOME/lib/*"
> };
> {noformat}
> Not all deployment scenarii fit in this layout and therefore we need a
> standardized way to customize this class path.
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