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https://issues.apache.org/jira/browse/MAPREDUCE-3366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13163195#comment-13163195
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Eric Yang commented on MAPREDUCE-3366:
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Bruno, you are right. Thanks for catching this. I will updated it to reflect
changes in MAPREDUCE-3373.
bq. Why changing these lines:
bq. -YARN_CONF_DIR="${YARN_CONF_DIR:-$YARN_HOME/conf}"
bq. +YARN_CONF_DIR="${HADOOP_CONF_DIR:-$YARN_HOME/conf}
This was done as part of merging back Hadoop into a project. There are many
configuration files which have interconnected parts. i.e. log4j,
hadoop-metric2.properties. It seems safer to consolidate config files back to
HADOOP_CONF_DIR, and reduce redundancies or conflicts. For consistency, HDFS
use HADOOP_CONF_DIR rather than
HDFS_CONF_DIR. Yarn should follow the same pattern in my opinion.
Mahadev, yes, this subsume MAPREDUCE-3177.
> Mapreduce component should use consistent directory structure layout as
> HDFS/common
> -----------------------------------------------------------------------------------
>
> Key: MAPREDUCE-3366
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3366
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Environment: Java, Maven
> Reporter: Eric Yang
> Assignee: Eric Yang
> Attachments: MAPREDUCE-3366-1-trunk.patch, MAPREDUCE-3366.patch
>
>
> Directory structure for MRv2 layout looks like:
> {noformat}
> hadoop-mapreduce-0.23.0-SNAPSHOT/bin
> /conf
> /lib
> /modules
> {noformat}
> The directory structure layout should be updated to reflect changes
> implemented in HADOOP-6255.
> {noformat}
> hadoop-mapreduce-0.23.0-SNAPSHOT/bin
> /etc/hadoop
> /lib
> /libexec
> /sbin
> /share/hadoop
> /share/hadoop/lib
> {noformat}
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