[FLINK-5194] Log heartbeats on TRACE level

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.1.4, 1.2.0
• Assignee: Ufuk Celebi
• Reporter: Ufuk Celebi
• Created: 29/Nov/16 14:29
• Updated: 01/Dec/16 09:47
• Resolved: 01/Dec/16 09:47

Description

Heartbeats are logged on DEBUG level. If users enable debug logs this leads to an explosion of log messages. I would like to log heartbeats on TRACE level, this includes InstanceManager, JobManager. The RemoteWatcher heartbeats can be disabled via FLINK-5192.