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Vinod Kumar Vavilapalli
Arun C Murthy
Robert Joseph Evans
Vinay Kumar Thota
Joydeep Sen Sarma
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[MAPREDUCE-5269] Preemption of Reducer (and Shuffle) via checkpointing
...This patch tracks the changes in the task runtime (shuffle, reducer context, etc.) that are required to implement checkpoint-based preemption of reducer tasks....
, 2015-08-06, 00:03
[MAPREDUCE-5176] Preemptable annotations (to support preemption in MR)
...Proposing a patch that introduces a new annotation @Checkpointable that represents to the framework property of user-supplied classes (e.g., Reducer, OutputCommiter). The intended semantics ...
, 2015-07-16, 00:32
[MAPREDUCE-5848] MapReduce counts forcibly preempted containers as FAILED
...The MapReduce AM is considering a forcibly preempted container as FAILED, while I think it should be considered as KILLED (i.e., not count against the maximum number of failures)....
, 2014-07-03, 06:33
[MAPREDUCE-5196] CheckpointAMPreemptionPolicy implements preemption in MR AM via checkpointing
...This JIRA tracks a checkpoint-based AM preemption policy. The policy handles propagation of the preemption requests received from the RM to the appropriate tasks, and bookeeping of checkpoin...
, 2014-06-13, 16:18
[MAPREDUCE-5189] Basic AM changes to support preemption requests (per YARN-45)
...This JIRA tracks the minimum amount of changes necessary in the mapreduce AM to receive preemption requests (per YARN-45) and invoke a local policy that manages preemption. (advanced policie...
, 2014-05-13, 22:19
[MAPREDUCE-5197] Checkpoint Service: a library component to facilitate checkpoint of task state
...A small library that abstract file API for the purpose of checkpointing....
, 2013-12-18, 14:58
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