Steve Loughran created YARN-2793:
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Summary: YARN service containers to support different memory limit
policies
Key: YARN-2793
URL: https://issues.apache.org/jira/browse/YARN-2793
Project: Hadoop YARN
Issue Type: Sub-task
Components: nodemanager
Reporter: Steve Loughran
Service containers may have different memory policies from applications.
Specifically, it may be more important to keep the container running if its
memory goes over allocated, rather than killing it.
If the memory over-use could be detected, the AM could then make an attempt to
request more resources for that container, so increasing its allocation. And,
if that fails, shutting down the node cleanly. As it is, a killed container
looks like a failure to the AM, which runs the risk of concluding that the app
and/or host is in trouble, when it is merely the memory requirement is too low
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