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https://issues.apache.org/jira/browse/YARN-3272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14341078#comment-14341078
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Jian He commented on YARN-3272:
-------------------------------
attached a screens shot to demonstrate how the locality is represented.
The table indicates the number of certain type of containers(i.e. node_local,
rack_local, off_switch) satisfied by certain type of resource requests(i.e.
node_local, rack_local, off_switch)
> Surface container locality info
> --------------------------------
>
> Key: YARN-3272
> URL: https://issues.apache.org/jira/browse/YARN-3272
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Jian He
> Assignee: Jian He
> Attachments: container locality table.png
>
>
> We can surface the container locality info on the web UI. This is useful to
> debug "why my applications are progressing slow", especially when locality is
> bad.
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