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https://issues.apache.org/jira/browse/HDFS-10172?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhe Zhang updated HDFS-10172:
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Resolution: Fixed
Fix Version/s: 3.0.0
Status: Resolved (was: Patch Available)
Thanks Yuanbo for the contribution and Wei-Chiu for reporting the task.
> 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
> Fix For: 3.0.0
>
> 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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