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https://issues.apache.org/jira/browse/TEZ-3770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16336203#comment-16336203
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Siddharth Seth commented on TEZ-3770:
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+1. Looks good. Thanks [~jlowe]
> DAG-aware YARN task scheduler
> -----------------------------
>
> Key: TEZ-3770
> URL: https://issues.apache.org/jira/browse/TEZ-3770
> Project: Apache Tez
> Issue Type: New Feature
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Priority: Major
> Attachments: TEZ-3770.001.patch, TEZ-3770.002.patch
>
>
> There are cases where priority alone does not convey the relationship between
> tasks, and this can cause problems when scheduling or preempting tasks. If
> the YARN task scheduler was aware of the relationship between tasks then it
> could make smarter decisions when trying to assign tasks to containers or
> preempt running tasks to schedule pending tasks.
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