Boyang Jerry Peng created STORM-1634:
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             Summary: Minor Refactoring Resource Aware Scheduler
                 Key: STORM-1634
                 URL: https://issues.apache.org/jira/browse/STORM-1634
             Project: Apache Storm
          Issue Type: Improvement
            Reporter: Boyang Jerry Peng
            Priority: Minor


Refactored the following:

1.  The API interface to define custom scheduling strategies. The API exposed 
from RAS to a per topology scheduling strategy is messy and needs to be cleaned 
up.
2. In RAS, the state of the scheduler is held by several member variables.  Its 
cleaner if the scheduler state is represented by a single object.  This will 
help we reduce the amount of code need when checkpointing the state of the 
scheduler and potentially restoring the state in the future when a bad 
scheduling happens




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