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https://issues.apache.org/jira/browse/YARN-10095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17019791#comment-17019791
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Xieming Li commented on YARN-10095:
-----------------------------------
[~yehuanhuan]
Thank you for pointing out.
I have checked "hdfs haadmin -help" and it takes commands without leading '-'.
Now, I am not sure if I should fix "yarn rmadmin" here or the "hdfs haadmin",
or don't fix any of them at all.
> Fix help message for yarn rmadmin
> ---------------------------------
>
> Key: YARN-10095
> URL: https://issues.apache.org/jira/browse/YARN-10095
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Xieming Li
> Assignee: Xieming Li
> Priority: Minor
>
> (This issue is identified by [~aajisaka] in
> https://issues.apache.org/jira/browse/HADOOP-16753)
> The help message of yarn rmadmin seems broken.
> Current:
> {code:java}
> $ yarn rmadmin -help refreshNodes 2>/dev/null
> $
> $ yarn rmadmin -help refreshNodes
> Usage: yarn rmadmin
> -refreshQueues
> -refreshNodes [-g|graceful [timeout in seconds] -client|server]
> -refreshNodesResources
> -refreshSuperUserGroupsConfiguration
> -refreshUserToGroupsMappings
> -refreshAdminAcls
> -refreshServiceAcl
> -getGroups [username]
> -addToClusterNodeLabels
> <"label1(exclusive=true),label2(exclusive=false),label3">
> -removeFromClusterNodeLabels <label1,label2,label3> (label splitted by ",")
> -replaceLabelsOnNode <"node1[:port]=label1,label2
> node2[:port]=label1,label2"> [-failOnUnknownNodes]
> -directlyAccessNodeLabelStore
> -refreshClusterMaxPriority
> -updateNodeResource [NodeID] [MemSize] [vCores] ([OvercommitTimeout])
> or
> [NodeID] [resourcetypes] ([OvercommitTimeout]).
> -help [cmd]Generic options supported are:
> -conf <configuration file> specify an application configuration file
> -D <property=value> define a value for a given property
> -fs <file:///|hdfs://namenode:port> specify default filesystem URL to use,
> overrides 'fs.defaultFS' property from configurations.
> -jt <local|resourcemanager:port> specify a ResourceManager
> -files <file1,...> specify a comma-separated list of files to
> be copied to the map reduce cluster
> -libjars <jar1,...> specify a comma-separated list of jar files
> to be included in the classpath
> -archives <archive1,...> specify a comma-separated list of archives
> to be unarchived on the compute machinesThe general command line syntax is:
> command [genericOptions] [commandOptions]
> {code}
>
>
> Expected:
> {code:java}
> $ yarn rmadmin -help refreshNodes 2>/dev/null
> -refreshNodes [-g|graceful [timeout in seconds] -client|server]
> $ yarn rmadmin -help refreshNodes
> -refreshNodes [-g|graceful [timeout in seconds] -client|server]
> {code}
>
>
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