vinoyang created KYLIN-4087:
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Summary: Use reduceGroup operator to optimize build cube step
Key: KYLIN-4087
URL: https://issues.apache.org/jira/browse/KYLIN-4087
Project: Kylin
Issue Type: Sub-task
Components: Flink Engine
Reporter: vinoyang
Assignee: vinoyang-- This message was sent by Atlassian JIRA (v7.6.14#76016)
