Jinho Kim created TAJO-588:
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             Summary:  In some case, leaf task of DefaultTaskScheduler are not 
distributed execution
                 Key: TAJO-588
                 URL: https://issues.apache.org/jira/browse/TAJO-588
             Project: Tajo
          Issue Type: Bug
          Components: planner/optimizer
    Affects Versions: 0.8-incubating
            Reporter: Jinho Kim
            Assignee: Jinho Kim


Leaf task of DefaultTaskScheduler should be fragment size
If initial request of leaf task is small size, most tasks will be allocate to 
single node.



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