[HADOOP-14944] Add JvmMetrics to KMS

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.6.0
• Fix Version/s: 2.9.0, 3.0.0
• Component/s: kms
• Target Version/s: 2.8.3
• Hadoop Flags: Reviewed
• Assignee: Xiao Chen
• Reporter: Xiao Chen
• Created: 11/Oct/17 23:57
• Updated: 20/Oct/17 05:38
• Resolved: 20/Oct/17 05:38

Description

Let's make KMS to use JvmMetrics to report aggregated statistics about heap / GC etc.

This will make statistics monitoring easier, and compatible across the tomcat-based (branch-2) KMS and the jetty-based (branch-3) KMS.