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From: "Akira AJISAKA (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HDFS-6831) Inconsistency between 'hdfs
 dfsadmin' and 'hdfs dfsadmin -help'
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    [ https://issues.apache.org/jira/browse/HDFS-6831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14122349#comment-14122349 ] 

Akira AJISAKA commented on HDFS-6831:
-------------------------------------

Thanks [~xyao] for updating the patch. Would you please remove grouping the imports from the patch?

> Inconsistency between 'hdfs dfsadmin' and 'hdfs dfsadmin -help'
> ---------------------------------------------------------------
>
>                 Key: HDFS-6831
>                 URL: https://issues.apache.org/jira/browse/HDFS-6831
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.4.0
>            Reporter: Akira AJISAKA
>            Assignee: Xiaoyu Yao
>            Priority: Minor
>              Labels: newbie
>         Attachments: HDFS-6831.0.patch, HDFS-6831.1.patch, HDFS-6831.2.patch
>
>
> There is an inconsistency between the console outputs of 'hdfs dfsadmin' command and 'hdfs dfsadmin -help' command.
> {code}
> [root@trunk ~]# hdfs dfsadmin
> Usage: java DFSAdmin
> Note: Administrative commands can only be run as the HDFS superuser.
>            [-report]
>            [-safemode enter | leave | get | wait]
>            [-allowSnapshot <snapshotDir>]
>            [-disallowSnapshot <snapshotDir>]
>            [-saveNamespace]
>            [-rollEdits]
>            [-restoreFailedStorage true|false|check]
>            [-refreshNodes]
>            [-finalizeUpgrade]
>            [-rollingUpgrade [<query|prepare|finalize>]]
>            [-metasave filename]
>            [-refreshServiceAcl]
>            [-refreshUserToGroupsMappings]
>            [-refreshSuperUserGroupsConfiguration]
>            [-refreshCallQueue]
>            [-refresh]
>            [-printTopology]
>            [-refreshNamenodes datanodehost:port]
>            [-deleteBlockPool datanode-host:port blockpoolId [force]]
>            [-setQuota <quota> <dirname>...<dirname>]
>            [-clrQuota <dirname>...<dirname>]
>            [-setSpaceQuota <quota> <dirname>...<dirname>]
>            [-clrSpaceQuota <dirname>...<dirname>]
>            [-setBalancerBandwidth <bandwidth in bytes per second>]
>            [-fetchImage <local directory>]
>            [-shutdownDatanode <datanode_host:ipc_port> [upgrade]]
>            [-getDatanodeInfo <datanode_host:ipc_port>]
>            [-help [cmd]]
> {code}
> {code}
> [root@trunk ~]# hdfs dfsadmin -help
> hadoop dfsadmin performs DFS administrative commands.
> The full syntax is: 
> hadoop dfsadmin
> 	[-report [-live] [-dead] [-decommissioning]]
> 	[-safemode <enter | leave | get | wait>]
> 	[-saveNamespace]
> 	[-rollEdits]
> 	[-restoreFailedStorage true|false|check]
> 	[-refreshNodes]
> 	[-setQuota <quota> <dirname>...<dirname>]
> 	[-clrQuota <dirname>...<dirname>]
> 	[-setSpaceQuota <quota> <dirname>...<dirname>]
> 	[-clrSpaceQuota <dirname>...<dirname>]
> 	[-finalizeUpgrade]
> 	[-rollingUpgrade [<query|prepare|finalize>]]
> 	[-refreshServiceAcl]
> 	[-refreshUserToGroupsMappings]
> 	[-refreshSuperUserGroupsConfiguration]
> 	[-refreshCallQueue]
> 	[-refresh <host:ipc_port> <key> [arg1..argn]
> 	[-printTopology]
> 	[-refreshNamenodes datanodehost:port]
> 	[-deleteBlockPool datanodehost:port blockpoolId [force]]
> 	[-setBalancerBandwidth <bandwidth>]
> 	[-fetchImage <local directory>]
> 	[-allowSnapshot <snapshotDir>]
> 	[-disallowSnapshot <snapshotDir>]
> 	[-shutdownDatanode <datanode_host:ipc_port> [upgrade]]
> 	[-getDatanodeInfo <datanode_host:ipc_port>
> 	[-help [cmd]
> {code}
> These two outputs should be the same.



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