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Posted to common-dev@hadoop.apache.org by "Akira AJISAKA (JIRA)" <ji...@apache.org> on 2014/08/07 06:54:13 UTC

[jira] [Created] (HADOOP-10943) Inconsistency between 'hdfs dfsadmin' and 'hdfs dfsadmin -help'

Akira AJISAKA created HADOOP-10943:
--------------------------------------

             Summary: Inconsistency between 'hdfs dfsadmin' and 'hdfs dfsadmin -help'
                 Key: HADOOP-10943
                 URL: https://issues.apache.org/jira/browse/HADOOP-10943
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 2.4.0
            Reporter: Akira AJISAKA
            Priority: Minor


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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