BSP Peer should have the ability to start with a non-zero superstep from a
partition of checkpointed message for that task ID, attempt ID
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Key: HAMA-533
URL: https://issues.apache.org/jira/browse/HAMA-533
Project: Hama
Issue Type: New Feature
Components: bsp
Affects Versions: 0.5.0
Reporter: Suraj Menon
Fix For: 0.5.0
Currently BSP Peer initializes itself to start a task afresh from superstep -1.
We should have a new flavor of BSP Peer that would be started by GroomServer to
recover a task as directed by BSP Master. The BSP Peer should start the task
knowing the superstep number to start with, the task ID, the attemptID and the
partition of the checkpointed file. The input would not be split in this case.
The BSP Peer should update its task status at Groomserver as RUNNING once the
task is out of the recovery superstep barrier sync.
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