[HBASE-2142] Add number of RegionServers (live/dead) to JMX metrics in HMaster

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Duplicate
• Affects Version/s: 0.20.2
• Component/s: metrics
• Assignee: Unassigned
• Reporter: Lars George
• Created: 18/Jan/10 20:38
• Updated: 11/Jun/22 23:03
• Resolved: 24/Feb/12 20:55

Description

While commenting on HBASE-2117 I noticed that Hadoop's NameNode has that and it makes sense to expose it too in HBase's HMaster metrics.