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https://issues.apache.org/jira/browse/MAPREDUCE-6415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14637998#comment-14637998
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Allen Wittenauer commented on MAPREDUCE-6415:
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bq. The shell inherits the env of the NodeManager as a base. HADOOP_HOME
should be defined for the NM, so it ends up in env of the shell.
a) This is only true for Windows. Unix has been using HADOOP_PREFIX since
0.21. If it's being defined, it's not by the bash code that starts the NM that
ships with Apache Hadoop.
b) I'm unsure if LCE actually inherits all of the shell environment or only
specific variables.
> Create a tool to combine aggregated logs into HAR files
> -------------------------------------------------------
>
> Key: MAPREDUCE-6415
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6415
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Affects Versions: 2.8.0
> Reporter: Robert Kanter
> Assignee: Robert Kanter
> Attachments: HAR-ableAggregatedLogs_v1.pdf,
> MAPREDUCE-6415_branch-2_prelim_001.patch, MAPREDUCE-6415_prelim_001.patch
>
>
> While we wait for YARN-2942 to become viable, it would still be great to
> improve the aggregated logs problem. We can write a tool that combines
> aggregated log files into a single HAR file per application, which should
> solve the too many files and too many blocks problems. See the design
> document for details.
> See YARN-2942 for more context.
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