[MAPREDUCE-2966] Add ShutDown hooks for MRV2 processes

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.23.0, 2.0.0-alpha
• Fix Version/s: 0.23.0
• Component/s: applicationmaster, jobhistoryserver, nodemanager, resourcemanager
• Hadoop Flags: Reviewed
• Assignee: Abhijit Suresh Shingate
• Reporter: Abhijit Suresh Shingate
• Created: 09/Sep/11 08:40
• Updated: 16/Mar/15 17:57
• Resolved: 14/Sep/11 18:05

Description

NodeManager registers a shudown hook in case of JVM exit.
Similar way, all other processes RM, HistoryServer, MRAppMaster should also handle the shutdown gracefully in case of JVM exit.

Issue Links

• duplicates: MAPREDUCE-2956 CompositeService should try to stop all services even if one fails