All Classes and Interfaces

Class
Description
 
 
 
The request issued by the client to the ResourceManager to cancel a delegation token.
 
The response from the ResourceManager to a cancelDelegationToken request.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Stores Job History configuration keys that can be set by administrators of the Job History server.
 
JobId represents the globally unique identifier for a MapReduce job.
 
Maintains information which may be used by the jobHistory indexing system.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Implements MapReduce locally, in-process, for debugging.
Helper class for MR applications
 
 
 
 
 
 
 
TokenIdentifier that identifies delegation tokens issued by JobHistoryServer to delegate MR tasks talking to the JobHistoryServer.
 
 
 
 
 
The request issued by the client to renew a delegation token from the ResourceManager.
 
The response to a renewDelegationToken call to the ResourceManager.
 
 
 
 
TaskAttemptId represents the unique identifier for a task attempt.
 
 
 
 
TaskId represents the unique identifier for a Map or Reduce Task.