[jira] [Updated] (HDFS-10172) hdfs erasurecode command should remove the redundant -usage option

["Yuanbo Liu (JIRA)" <ji...@apache.org>]

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

Yuanbo Liu updated HDFS-10172:
------------------------------
    Attachment: HDFS-10172.001.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
>    Affects Versions: 3.0.0
>            Reporter: Wei-Chiu Chuang
>            Assignee: Yuanbo Liu
>            Priority: Minor
>              Labels: newbie
>         Attachments: HDFS-10172.001.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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