# Uses of Package
org.apache.hadoop.mapreduce.checkpoint

- Packages that use org.apache.hadoop.mapreduce.checkpoint
  Package | Description
  --- | ---
  org.apache.hadoop.mapred |
  org.apache.hadoop.mapreduce.checkpoint |

- Classes in org.apache.hadoop.mapreduce.checkpoint used by org.apache.hadoop.mapred
  Class and Description
  TaskCheckpointID Implementation of CheckpointID used in MR.

- Classes in org.apache.hadoop.mapreduce.checkpoint used by org.apache.hadoop.mapreduce.checkpoint
  Class and Description
  CheckpointID This class represent the identified (memento) for a checkpoint.
  CheckpointNamingService This class represent a naming service for checkpoints.
  CheckpointService The CheckpointService provides a simple API to store and retrieve the state of a task.
  CheckpointService.CheckpointReadChannel
  CheckpointService.CheckpointWriteChannel
  EnumCounter
  FSCheckpointID A FileSystem based checkpoint ID contains reference to the Path where the checkpoint has been saved.

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