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https://issues.apache.org/jira/browse/HADOOP-9514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13643034#comment-13643034
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Thomas Graves commented on HADOOP-9514:
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I agree. I am kind of hoping we don't have to break backwards compatibility
with 0.23 but lets try to do it right and then see what comes up.
> Hadoop CLI's have inconsistent usages
> -------------------------------------
>
> Key: HADOOP-9514
> URL: https://issues.apache.org/jira/browse/HADOOP-9514
> Project: Hadoop Common
> Issue Type: Bug
> Components: scripts
> Affects Versions: 3.0.0, 2.0.4-alpha
> Reporter: Thomas Graves
> Labels: usability
>
> Many of the hadoop command line interfaces (yarn/mapred/hdfs/hadoop) and
> subcommands have inconsistent usages, in many cases have options that don't
> apply (-archives/-files/-jt), and due to the usage of GenericOptionsParser
> print the usage as "bin/hadoop command [genericOptions] [commandOptions]"
> even though you were running yarn or hdfs commands.
> This makes for a bad user experience and its confusing as to what options are
> really available and how to use them.
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