[KYLIN-2244] "kylin.job.cuboid.size.memhungry.ratio" shouldn't be applied on measures like TopN

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: v2.0.0
• Component/s: Job Engine
• Assignee: Shao Feng Shi
• Reporter: Shao Feng Shi
• Created: 02/Dec/16 03:46
• Updated: 30/Apr/17 12:21
• Resolved: 14/Feb/17 08:35

Description

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;