VADAGA ANANYO RAO created YARN-10559:
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Summary: Fair sharing intra-queue preemption support in Capacity
Scheduler
Key: YARN-10559
URL: https://issues.apache.org/jira/browse/YARN-10559
Project: Hadoop YARN
Issue Type: Improvement
Components: capacityscheduler
Affects Versions: 3.1.4
Reporter: VADAGA ANANYO RAO
Fix For: 3.1.4
Attachments: FairOP_preemption-design_doc_v1.pdf
Usecase:
Due to the way Capacity Scheduler preemption works, If a single user submits a
large application to a queue (using 100% of resources), that job will not be
preempted by future applications from the same user within the same queue. This
implies that the later applications will be forced to wait for completion of
the long running application. This prevents multiple long running, large,
applications from running concurrently.
Support fair sharing among apps while preempting applications from same queue.
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