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https://issues.apache.org/jira/browse/YARN-8394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16502479#comment-16502479
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Yufei Gu commented on YARN-8394:
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Hi [~cheersyang], thanks for filing this. Can you elaborate on this?
bq. we need to introduce how to compromise data locality in CS otherwise MR
jobs are suffering.
> 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
> Priority: Major
>
> 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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