[HOD] Idle cluster cleanup does not work if the JobTracker becomes unresponsive
to RPC calls
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Key: HADOOP-2847
URL: https://issues.apache.org/jira/browse/HADOOP-2847
Project: Hadoop Core
Issue Type: Bug
Components: contrib/hod
Affects Versions: 0.16.0
Reporter: Hemanth Yamijala
Assignee: Hemanth Yamijala
Priority: Blocker
Fix For: 0.16.1
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.
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