[jira] [Created] (KYLIN-1584) Specify region cut size in cubedesc and leave the RealizationCapacity in model as a hint

["hongbin ma (JIRA)" <ji...@apache.org>]

hongbin ma created KYLIN-1584:
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             Summary: Specify region cut size in cubedesc and leave the RealizationCapacity in model as a hint
                 Key: KYLIN-1584
                 URL: https://issues.apache.org/jira/browse/KYLIN-1584
             Project: Kylin
          Issue Type: Improvement
            Reporter: hongbin ma
            Assignee: hongbin ma


currently the cube region's size is determined in model's capacity(RealizationCapacity), it will enforce different realizations under the same model having uniformed region size. This is not wanted feature because cube builder might need to try out different region size to tune performance. I'm suggesting to add a field called "region_size" (float type, 1.0 means 1G per region) in cube desc to explicitly indicate the cube's region size. The field "region_size"  will not be included in cubedesc's signature calculation.



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