Shaofeng SHI created KYLIN-2244:

             Summary: "kylin.job.cuboid.size.memhungry.ratio" shouldn't be 
applied on measures like TopN
                 Key: KYLIN-2244
             Project: Kylin
          Issue Type: Improvement
            Reporter: Shaofeng SHI

The parameter "kylin.job.cuboid.size.memhungry.ratio" (new name " 
kylin.cube.size-estimate-memhungry-ratio") default value 0.05, is based on the 
compression ration on HyperLogLog; it doesn't fit for other memory hungry 
measures like TopN, Raw, etc;  

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