[HBASE-8754] Log the client IP/port of the balancer invoker

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.90.0
• Fix Version/s: 0.98.0, 0.96.0
• Component/s: master, Usability
• Release Note: Add logging of all admin commands that provoke a change. Include client -- name and address -- responsible in log string.
• Assignee: Michael Stack
• Reporter: Harsh J
• Created: 17/Jun/13 07:30
• Updated: 20/Nov/15 11:54
• Resolved: 22/Aug/13 15:09

Description

There's no way for any ops to answer today: "Who turned off/on the balancer?". All the logs print is the state when the RPC call is invoked, nothing else.

Given this is a critical piece of admin functionality, we should log the IP for it at least.