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