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https://issues.apache.org/jira/browse/YARN-126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13639590#comment-13639590
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Thomas Graves commented on YARN-126:
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{quote}Shouldn't this be the correct fix instead of throwing out
GenericOptionsParser altogether?{quote}
I'm a bit torn on that. yes it does have a couple of the options used but it
also has others that do not apply to the rmadmin command. It also has the
generic usage statement of: "bin/hadoop command [genericOptions]
[commandOptions]" which doesn't apply at all. I guess another option is to
change the GenericOptionsParser to be able to specify which options can be used
and have it print the correct usage statements and so forth.
Ideally I think we should redo all of the hadoop/hdfs/yarn/mapred commands to
have consistent usage and interfaces but that is a much bigger change.
> yarn rmadmin help message contains reference to hadoop cli and JT
> -----------------------------------------------------------------
>
> Key: YARN-126
> URL: https://issues.apache.org/jira/browse/YARN-126
> Project: Hadoop YARN
> Issue Type: Bug
> Components: client
> Affects Versions: 2.0.3-alpha
> Reporter: Thomas Graves
> Assignee: Rémy SAISSY
> Labels: usability
> Attachments: YARN-126.patch
>
>
> has option to specify a job tracker and the last line for general command
> line syntax had "bin/hadoop command [genericOptions] [commandOptions]"
> ran "yarn rmadmin" to get usage:
> RMAdmin
> Usage: java RMAdmin
> [-refreshQueues]
> [-refreshNodes]
> [-refreshUserToGroupsMappings]
> [-refreshSuperUserGroupsConfiguration]
> [-refreshAdminAcls]
> [-refreshServiceAcl]
> [-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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