[HBASE-10113] Consider consolidating DoubleBlockCache and CombinedBlockCache

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Won't Fix
• Component/s: regionserver
• Assignee: Unassigned
• Reporter: Nick Dimiduk
• Created: 09/Dec/13 23:00
• Updated: 17/Jun/22 04:53
• Resolved: 30/Jul/14 05:07

Description

DoubleBlockCache is a BlockCache that combines the LruBlockCache and SlabCache. CombinedBlockCache that combines LruBlockCache and BucketCache. These behaviors are (almost entirely) redundant. Consolidate the implementations into a single implementation, or reduce code duplication.