[HBASE-4392] Add metrics for read/write throughput (#cells, #bytes)

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 2.0.0
• Component/s: metrics, regionserver
• Assignee: Unassigned
• Reporter: Todd Lipcon
• Created: 13/Sep/11 21:17
• Updated: 12/Jun/22 19:31
• Resolved: 12/Jun/22 19:31

Description

Most of our metrics are currently based on RPC count. This is an inaccurate metric since some RPCs can be much more heavy weight than others. We should maintain our current metrics but also add counters for bytes and cells inserted / scanned. That gives a better idea of total load.