Alexander Sterligov created KYLIN-2779:

             Summary: Segment size estimation is wrong for bitmap measure
                 Key: KYLIN-2779
             Project: Kylin
          Issue Type: Bug
    Affects Versions: v2.0.0
            Reporter: Alexander Sterligov

If bitmap is used for distinct count, then size estimation is wrong for about 4 

The problem is fixed by kylin.cube.size-estimate-countdistinct-ratio=0.2.

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