[HDDS-224] Create metrics for Event Watcher

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.2.1
• Component/s: SCM
• Assignee: Marton Elek
• Reporter: Marton Elek
• Created: 04/Jul/18 13:58
• Updated: 09/Jul/18 20:35
• Resolved: 09/Jul/18 19:29

Description

EventWatcher is a common way to track the state of the on-going commands. To make it easier to track the current in-flight commands and the average message processing times the messages should be monitored by Hadoop metrics.