Jian Fang created YARN-3490:
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Summary: Add an application decorator to ClientRMService
Key: YARN-3490
URL: https://issues.apache.org/jira/browse/YARN-3490
Project: Hadoop YARN
Issue Type: New Feature
Components: resourcemanager
Reporter: Jian Fang
Per the discussion on MAPREDUCE-6304, hadoop cloud service provider wants to
hook in some logic to control the allocation of an application on the resource
manager side because it is sometimes impractical to control the client side of
a hadoop cluster in cloud. Hadoop service provider and hadoop users usually
have different privileges, control, and access on a hadoop cluster in cloud.
One good example is that application masters should not be allocated to spot
instances on Amazon EC2. To achieve that, an application decorator could be
provided to orchestrate the ApplicationSubmissionContext by specifying the AM
label expression, for example.
Hadoop could provide a dummy decorator that does nothing by default, but it
should allow users to replace this decorator with their own decorators to meet
their specific needs.
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