[HBASE-14983] Create metrics for per block type hit/miss ratios

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.3.0
• Fix Version/s: 1.3.0, 0.98.19, 2.0.0
• Component/s: metrics
• Assignee: Elliott Neil Clark
• Reporter: Elliott Neil Clark
• Created: 15/Dec/15 19:30
• Updated: 01/Jul/22 20:29
• Resolved: 30/Mar/16 19:57

Description

Missing a root index block is worse than missing a data block. We should know the difference

Issue Links

• is duplicated by: HBASE-15162 Add separate metrics for meta/data block hit ratio in cache
• is related to: HBASE-15161 Umbrella: Miscellaneous improvements from production usage