Hitesh Shah created MAPREDUCE-4578:
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Summary: Handle container requests that request more resources
than available in the cluster
Key: MAPREDUCE-4578
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4578
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: resourcemanager
Affects Versions: 2.0.0-alpha, 0.23.0
Reporter: Hitesh Shah
In heterogenous clusters, a simple check at the scheduler to check if the
allocation request is within the max allocatable range is not enough.
If there are large nodes in the cluster which are not available, there may be
situations where some allocation requests will never be fulfilled. Need an
approach to decide when to invalidate such requests. For application
submissions, there will need to be a feedback loop for applications that could
not be launched. For running AMs, AllocationResponse may need to augmented with
information for invalidated/cancelled container requests.
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