kyungwan nam created YARN-10567:
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Summary: Support parallelism for YARN Service
Key: YARN-10567
URL: https://issues.apache.org/jira/browse/YARN-10567
Project: Hadoop YARN
Issue Type: New Feature
Reporter: kyungwan nam
YARN Service support job-like by using "restart_policy" introduced in YARN-8080.
But, we cannot set how many containers can be launched concurrently.
This feature is something like "parallelism" in kubernetes.
https://kubernetes.io/docs/concepts/workloads/controllers/job/
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