Package org.apache.hadoop.mapreduce.checkpoint

package org.apache.hadoop.mapreduce.checkpoint
  • Class
    Description
    org.apache.hadoop.mapreduce.checkpoint.CheckpointID
    This class represent the identified (memento) for a checkpoint.
    org.apache.hadoop.mapreduce.checkpoint.CheckpointNamingService
    This class represent a naming service for checkpoints.
    org.apache.hadoop.mapreduce.checkpoint.CheckpointService
    The CheckpointService provides a simple API to store and retrieve the state of a task.
    org.apache.hadoop.mapreduce.checkpoint.CheckpointService.CheckpointReadChannel
     
    org.apache.hadoop.mapreduce.checkpoint.CheckpointService.CheckpointWriteChannel
     
    EnumCounter
     
    org.apache.hadoop.mapreduce.checkpoint.FSCheckpointID
    A FileSystem based checkpoint ID contains reference to the Path where the checkpoint has been saved.
    org.apache.hadoop.mapreduce.checkpoint.FSCheckpointService
    A FileSystem based CheckpointService.
    org.apache.hadoop.mapreduce.checkpoint.RandomNameCNS
    Simple naming service that generates a random checkpoint name.
    org.apache.hadoop.mapreduce.checkpoint.SimpleNamingService
    A naming service that simply returns the name it has been initialized with.
    org.apache.hadoop.mapreduce.checkpoint.TaskCheckpointID
    Implementation of CheckpointID used in MR.