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https://issues.apache.org/jira/browse/MAPREDUCE-6415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14636142#comment-14636142
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Allen Wittenauer commented on MAPREDUCE-6415:
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Maybe I'm missing it, but why is this being written in bash instead of as an
actual yarn application? The JVM startup costs are going to be massive. Also,
is there something that is guaranteeing that HADOOP_HOME is set?
> 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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