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Posted to yarn-issues@hadoop.apache.org by "Weiwei Yang (JIRA)" <ji...@apache.org> on 2018/06/06 13:14:00 UTC
[jira] [Updated] (YARN-8394) Improve data locality documentation
for Capacity Scheduler
[ https://issues.apache.org/jira/browse/YARN-8394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Weiwei Yang updated YARN-8394:
------------------------------
Attachment: YARN-8394.001.patch
> 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
> Assignee: Weiwei Yang
> Priority: Major
> Attachments: YARN-8394.001.patch
>
>
> 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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