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https://issues.apache.org/jira/browse/HADOOP-2861?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12570911#action_12570911
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Arkady Borkovsky commented on HADOOP-2861:
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For consistency with Unix commands, maybe
hod -a ~/hod-clusters/test -n 3
hod -n 3 -a ~/hod-clusters/test
hod -allocate ~/hod-clusters/test -n 3
and
hod -deallocate ~/hod-clusters/test
or
hod -d ~/hod-clusters/test
Regarding using HOD_CLUSTER_DIR:
useful, but not important. A user may always create and alias,
If implemented, should not be required.
E.g. if using HOD_CLUSTER_DIR is implemented, and the users says:
>> hod -n 20
the error message should be something like
... hod cluster config name is missing (use option -a or set HOD_CLUSTER_DIR
variable)
> [HOD] Improve the user interface for the HOD commands
> -----------------------------------------------------
>
> Key: HADOOP-2861
> URL: https://issues.apache.org/jira/browse/HADOOP-2861
> Project: Hadoop Core
> Issue Type: Improvement
> Components: contrib/hod
> Affects Versions: 0.16.0
> Reporter: Hemanth Yamijala
>
> The current command line for HOD is not user-friendly or conventional.
> Following improvements are required:
> - We shouldn't require the quotes around the operation.
> - Can we define a HOD_CLUSTER_DIR environment variable which would be used by
> default ?
> With these two, one can imagine a very simple command line for HOD. Something
> like:
> hod-allocate 3
> hod-deallocate
> hod-allocate 3 ~/hod-clusters/test
> hod-deallocate ~/hod-clusters/test
> This would also be backward compatible for people who're used to the current
> model.
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