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https://issues.apache.org/jira/browse/YARN-1290?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei Yan updated YARN-1290:
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Attachment: YARN-1290.patch
> Let continuous scheduling achieve more balanced task assignment
> ---------------------------------------------------------------
>
> Key: YARN-1290
> URL: https://issues.apache.org/jira/browse/YARN-1290
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Wei Yan
> Assignee: Wei Yan
> Attachments: main.pdf, YARN-1290.patch, YARN-1290.patch,
> YARN-1290.patch, YARN-1290.patch
>
>
> Currently, in continuous scheduling (YARN-1010), in each round, the thread
> iterates over pre-ordered nodes and assigns tasks. This mechanism may
> overload the first several nodes, while the latter nodes have no tasks.
> We should sort all nodes according to available resource. In each round,
> always assign tasks to nodes with larger capacity, which can balance the load
> distribution among all nodes.
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