Changed Classes and Interfaces |
AdminOperationsProtocol
|
Protocol for admin operations. |
Counters
|
A set of named counters. |
JobClient
|
JobClient is the primary interface for the user-job to interact with the JobTracker JobClient provides facilities to submit jobs track their progress access component-tasks' reports/logs get the Map-Reduce cluster status information etc. |
JobConf
|
A map/reduce job configuration. |
JobTracker
|
JobTracker is the central location for submitting and tracking MR jobs in a network environment. |
KeyValueLineRecordReader
|
This class treats a line in the input as a key/value pair separated by a separator character. |
LineRecordReader
|
Treats keys as offset in file and value as line. |
Reporter
|
A facility for Map-Reduce applications to report progress and update counters status information etc. |
Task.TaskReporter
|
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TaskController
|
Controls initialization finalization and clean up of tasks and also the launching and killing of task JVMs. |
TaskTracker
|
TaskTracker is a process that starts and tracks MR Tasks in a networked environment. |
TaskTrackerStatus
|
A TaskTrackerStatus is a MapReduce primitive. |