Steve Loughran created MAPREDUCE-4277:
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Summary: allow admins to force app deployment on a specific host
Key: MAPREDUCE-4277
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4277
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: mrv2
Affects Versions: 2.0.1, trunk
Reporter: Steve Loughran
Priority: Minor
Currently you ask YARN to get slots on a host and it finds a slot on that
machine -or, if unavailable or there is no room, on a host nearby as far as the
topology is concerned.
People with admin rights should have the option to deploy a process on a
specific host and have it run there even if there are no free slots -and to
fail if the machine is not available. This would let you deploy admin-specific
process across a cluster.
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