Suma Shivaprasad created YARN-8255:
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Summary: Allow option to disable flex for a service component
Key: YARN-8255
URL: https://issues.apache.org/jira/browse/YARN-8255
Project: Hadoop YARN
Issue Type: Bug
Components: yarn-native-services
Reporter: Suma Shivaprasad
Assignee: Suma Shivaprasad
YARN-8080 implements restart capabilities for service component instances. YARN
service components should add an option to disallow flexing to support
workloads which are essentially batch/iterative jobs which terminate with
restart_policy=NEVER/ON_FAILURE. This could be disabled by default for
components where restart_policy=NEVER/ON_FAILURE and enabled by default when
restart_policy=ALWAYS(which is the default restart_policy) unless explicitly
set at the service spec.
The option could be exposed as part of the component spec as "allow_flexing".
cc [~billie.rinaldi] [~gsaha] [~eyang] [~csingh] [~wangda]
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