[HADOOP-2645] Additional metrics & jmx beans and cleanup to use the recent metrics libraries

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.16.0
• Assignee: Sanjay Radia
• Reporter: Sanjay Radia
• Created: 17/Jan/08 21:33
• Updated: 08/Feb/08 23:38
• Resolved: 25/Jan/08 01:21

Description

This patch does following:

Data node :
Additional metrics
Cleunup old metrics to use recent metrics lib
MBeans for data node metrics

Namenode
Cleunup old updates of metrics to use recent metrics lib
Split Name none mbean to 2 MBeans - statistics and FSNamesystem status
rename of name node mbean for consistency.