Akira AJISAKA created HADOOP-10943:
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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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