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From "Yuanbo Liu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10172) hdfs erasurecode command should remove the redundant -usage option
Date Mon, 25 Apr 2016 06:01:12 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10172?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yuanbo Liu updated HDFS-10172:
------------------------------
    Attachment: HDFS-10172.002.patch

> hdfs erasurecode command should remove the redundant -usage option
> ------------------------------------------------------------------
>
>                 Key: HDFS-10172
>                 URL: https://issues.apache.org/jira/browse/HDFS-10172
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: erasure-coding
>    Affects Versions: 3.0.0
>            Reporter: Wei-Chiu Chuang
>            Assignee: Yuanbo Liu
>            Priority: Minor
>              Labels: newbie
>         Attachments: HDFS-10172.001.patch, HDFS-10172.002.patch
>
>
> {{hdfs erasurecode}} has two similar options {{-help}} and {{-usage}}.
> {noformat}
> hdfs erasurecode -usage getPolicy
> Usage: hdfs erasurecode [generic options] -getPolicy <path>
> hdfs erasurecode -help getPolicy
> -getPolicy <path> :
>   Get erasure coding policy information about at specified path
> {noformat}
> I don't think the -usage option is that useful, because -help option already covers that.
No other HDFS commands has the same -usage command.



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