Weiwei Yang created YARN-8394:
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Summary: Improve data locality documentation for Capacity Scheduler
Key: YARN-8394
URL: https://issues.apache.org/jira/browse/YARN-8394
Project: Hadoop YARN
Issue Type: Improvement
Reporter: Weiwei Yang
YARN-6344 introduces a new parameter
{{yarn.scheduler.capacity.rack-locality-additional-delay}} in
capacity-scheduler.xml, we need to add some documentation in
{{CapacityScheduler.md}} accordingly.
Moreover, we are seeing more and more clusters are separating storage and
computation where file system is always remote, in such cases we need to
introduce how to compromise data locality in CS otherwise MR jobs are suffering.
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