Brahma Reddy Battula created HDFS-6646:
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Summary: [ HDFS Rolling Upgrade - Shell ] shutdownDatanode and
getDatanodeInfo usage is missed
Key: HDFS-6646
URL: https://issues.apache.org/jira/browse/HDFS-6646
Project: Hadoop HDFS
Issue Type: Bug
Components: tools
Affects Versions: 2.4.1
Reporter: Brahma Reddy Battula
Usage message is missed for shutdownDatanode and getdatanodeinfo
Please check the following for same..(It's printing whole usage for dfsadmin)
hdfs dfsadmin -shutdownDatanode
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]
[-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]]
Generic options supported are
-conf <configuration file> specify an application configuration file
-D <property=value> use value for given property
-fs <local|namenode:port> specify a namenode
-jt <local|jobtracker:port> specify a job tracker
-files <comma separated list of files> specify comma separated files to be
copied to the map reduce cluster
-libjars <comma separated list of jars> specify comma separated jar files to
include in the classpath.
-archives <comma separated list of archives> specify comma separated
archives to be unarchived on the compute machines.
The general command line syntax is
bin/hadoop command [genericOptions] [commandOptions]
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