[KYLIN-2746] Separate filter row count & aggregated row count for metrics collection returned by coprocessor

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Resolved
• Fix Version/s: v2.3.0
• Component/s: Storage - HBase
• Assignee: Zhong Yanghong
• Reporter: Zhong Yanghong
• Created: 18/Jul/17 10:03
• Updated: 02/Apr/18 13:42
• Resolved: 03/Nov/17 00:52

Description

Cube Planner used for recommending effective cuboids is based on cost-based algorithm. The aggregated row count plays an important role of the rollup cost from target cuboid to source cuboid. Thus we need to separate filter row count & aggregated row count.

One important thing is that coprocessor redeployment needs to be done after this change