[HDFS-10628] Log HDFS Balancer exit message to its own log

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.8.0
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Component/s: balancer & mover
• Target Version/s: 2.8.0
• Hadoop Flags: Reviewed
• Assignee: Jiayi Zhou
• Reporter: Jiayi Zhou
• Created: 14/Jul/16 20:30
• Updated: 30/Aug/16 01:14
• Resolved: 15/Jul/16 18:44

Description

Currently, the exit message is logged to stderr. It would be more convenient if we also log this to Balancer log when people want to figure out why Balancer is aborted.