[jira] [Created] (MAPREDUCE-6444) Add a checkpointable version of shuffle and reduce context supported by a checkpoint manager which uses the HDFS

Wed, 05 Aug 2015 15:53:49 -0700 

Augusto Souza created MAPREDUCE-6444:
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             Summary: Add a checkpointable version of shuffle and reduce 
context supported by a checkpoint manager which uses the HDFS
                 Key: MAPREDUCE-6444
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6444
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
            Reporter: Augusto Souza
            Assignee: Augusto Souza


Patch to add classes to provide a checkpointable version of shuffle and reduce 
context. Also, add a classe which makes possible to save a checkpoint of a task 
in HDFS. Those classes are respectively: CheckpointableShuffle, 
CheckpointableReduceContextImpl and TaskCheckpointManager.

This issue also helps in the splitting of patch in MAPREDUCE-5269 that is too 
large for being reviewed or accepted by Jenkins CI scripts.



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