Details
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Improvement
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Status: Patch Available
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Major
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Resolution: Unresolved
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None
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None
Description
This patch tracks the changes in the task runtime (shuffle, reducer context, etc.) that are required to implement checkpoint-based preemption of reducer tasks.
Attachments
Attachments
Issue Links
- depends upon
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MAPREDUCE-5189 Basic AM changes to support preemption requests (per YARN-45)
- Resolved
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MAPREDUCE-5196 CheckpointAMPreemptionPolicy implements preemption in MR AM via checkpointing
- Resolved
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MAPREDUCE-5197 Checkpoint Service: a library component to facilitate checkpoint of task state
- Resolved
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MAPREDUCE-6434 Add support for PartialFileOutputCommiter when checkpointing is an option during preemption
- Patch Available
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MAPREDUCE-6444 Add a checkpointable version of shuffle and reduce context supported by a checkpoint manager which uses the HDFS
- Patch Available
- is related to
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MAPREDUCE-6849 Preemption by container priority can be problematic for MapReduce
- Open