[jira] [Created] (YARN-8394) Improve data locality documentation for Capacity Scheduler

["Weiwei Yang (JIRA)" <ji...@apache.org>]

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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