[KYLIN-2353] Serialize BitmapCounter with distinct count

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: v1.6.0
• Fix Version/s: v2.0.0
• Component/s: Metadata
• Assignee: Kaisen Kang
• Reporter: Kaisen Kang
• Created: 04/Jan/17 06:50
• Updated: 05/Oct/18 20:41
• Resolved: 07/Jan/17 11:36

Description

Currently, we deserialize the bitmap whether we need to aggregate or not.

Actually, we could serialize BitmapCounter with bitmap counter and delay to deserialize bitmap until we need to aggregate bitmap and only get the counter for the bitmap when deserialize.

Issue Links

• is superceded by: KYLIN-2387 A new BitmapCounter with better performance