kangkaisen created KYLIN-2135:
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Summary: Enlarge FactDistinctColumns reducer number
Key: KYLIN-2135
URL: https://issues.apache.org/jira/browse/KYLIN-2135
Project: Kylin
Issue Type: Improvement
Components: Job Engine
Affects Versions: v1.5.4.1
Reporter: kangkaisen
Assignee: kangkaisen
When the hive table has billions of rows and use global dictionary for precise
count distinct measures, the {{Extract Fact Table Distinct Columns}} job will
run o long time.
So we could use more reducer to deal with the one column.
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