[jira] [Created] (KYLIN-2710) upgrade spark to 2.x

[imad (JIRA)]

imad created KYLIN-2710:
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             Summary: upgrade spark to 2.x
                 Key: KYLIN-2710
                 URL: https://issues.apache.org/jira/browse/KYLIN-2710
             Project: Kylin
          Issue Type: Improvement
            Reporter: imad
            Priority: Minor


kylin build cube  use spark 1.6.3   , spark2.x has better performance , upgrade 
spark to spark2  improve performance





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