[HADOOP-8920] Add more javadoc to metrics2 related classes

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.0.0, 0.23.0, 2.0.0-alpha, 3.0.0-alpha1
• Fix Version/s: 3.0.0-alpha1
• Component/s: metrics
• Hadoop Flags: Reviewed
• Assignee: Suresh Srinivas
• Reporter: Suresh Srinivas
• Created: 12/Oct/12 05:07
• Updated: 12/May/16 18:27
• Resolved: 16/Oct/12 04:30

Description

Metrics2 related code can is very sparsely documented. Here is patch that adds javadoc that should help some of the code easier to browse and understand.