[TS-3231] Add metrics to represent configuration freshness

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 5.3.0
• Component/s: Configuration, Metrics
• Assignee: James Peach
• Reporter: James Peach
• Created: 09/Dec/14 21:41
• Updated: 31/Mar/15 03:25
• Resolved: 09/Dec/14 22:15

Description

It's not always obvious when the configuration needs to be reloaded or when services need to be restarted. Add some metrics to track this so that that operators can act accordingly.