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https://issues.apache.org/jira/browse/YARN-7494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16416485#comment-16416485
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Wangda Tan commented on YARN-7494:
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[~sunilg],
I found there's one comment doesn't updated which mentioned in
https://issues.apache.org/jira/browse/YARN-7494?focusedCommentId=16382864&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16382864
:
{quote}2) CS#getCandidateNodeSet, the get_node_nodes_from_give_partition
operation is very expensive, maybe cache partition -> nodes inside
ClusterNodeTracker?
{quote}
Could you check my previous comments and let me know if anything discussable?
> Add muti node lookup support for better placement
> -------------------------------------------------
>
> Key: YARN-7494
> URL: https://issues.apache.org/jira/browse/YARN-7494
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacity scheduler
> Reporter: Sunil G
> Assignee: Sunil G
> Priority: Major
> Attachments: YARN-7494.001.patch, YARN-7494.002.patch,
> YARN-7494.003.patch, YARN-7494.004.patch, YARN-7494.005.patch,
> YARN-7494.v0.patch, YARN-7494.v1.patch, multi-node-designProposal.png
>
>
> Instead of single node, for effectiveness we can consider a multi node lookup
> based on partition to start with.
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