[HADOOP-2847] [HOD] Idle cluster cleanup does not work if the JobTracker becomes unresponsive to RPC calls

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.16.0
• Fix Version/s: 0.16.1
• Component/s: contrib/hod
• Assignee: Hemanth Yamijala
• Reporter: Hemanth Yamijala
• Created: 17/Feb/08 10:08
• Updated: 14/Mar/08 18:31
• Resolved: 03/Mar/08 16:54

Description

In some erroneous conditions, the Hadoop JobTracker becomes unresponsive to RPC calls (for e.g. if a misconfiguration causes the JobTracker to run out of memory). In such cases, a cluster allocated by HOD no longer runs any jobs and is wastefully holding up nodes. The usual idle cluster cleaner should deallocate the cluster ideally, but it does not.