Yarn Commands

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Yarn commands are invoked by the bin/yarn script. Running the yarn script without any arguments prints the description for all commands.

 Usage: yarn [--config confdir] COMMAND

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jar

Runs a jar file. Users can bundle their Yarn code in a jar file and execute it using this command.

 Usage: yarn jar <jar> [mainClass] args...

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application

Prints application(s) report/kill application


  Usage: yarn application <options>




  

<options>
 
Description
-list
 
Lists applications from the RM. Supports optional use of -appTypes to filter applications based on application type, and -appStates to filter applications based on application state.
-appStates States
 
Works with -list to filter applications based on input comma-separated list of application states. The valid application state can be one of the following:  
ALL, NEW, NEW_SAVING, SUBMITTED, ACCEPTED, RUNNING, FINISHED, FAILED, KILLED
-appTypes Types
 
Works with -list to filter applications based on input comma-separated list of application types.
-status <ApplicationId>
 
Prints the status of the application based on <ApplicationId>
-kill <ApplicationId>
 
Kills the application <ApplicationId>

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node

Prints node report(s)

  Usage: yarn node <options>

<options>	Description
-list	Lists all running nodes. Supports optional use of -states to filter nodes based on node state, and -all to list all nodes.
-states States	Works with -list to filter nodes based on input comma-separated list of node states.
-all	Works with -list to list all nodes.
-status NodeId	Prints the status report of the node.

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logs

Dump the container logs

  Usage: yarn logs -applicationId <application ID> <options>

<options>	Description
-applicationId <application ID>	Specifies an application id
-appOwner AppOwner	AppOwner (assumed to be current user if not specified)
-containerId ContainerId	ContainerId (must be specified if node address is specified)
-nodeAddress NodeAddress	NodeAddress in the format nodename:port (must be specified if container id is specified)

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classpath

Prints the class path needed to get the Hadoop jar and the required libraries

  Usage: yarn classpath

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version

Prints the version.

  Usage: yarn version

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