Carlo Curino created MAPREDUCE-5269:
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Summary: Preemption of Reducer (and Shuffle) via checkpointing
Key: MAPREDUCE-5269
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5269
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: mrv2
Reporter: Carlo Curino
This patch tracks the changes in the task runtime (shuffle, reducer context,
etc.) that are required to implement checkpoint-based preemption of reducer
tasks.
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