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https://issues.apache.org/jira/browse/YARN-10504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17261943#comment-17261943
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Wangda Tan commented on YARN-10504:
-----------------------------------
Updated ver.6 patch, which includes the following:
1) Unit tests to test end to end capability and mixed percentage/weight mode.
2) Rewrite ParentQueue.setChildQueues. It was a bit messy before. Now it
enforced more strict checks, and rewrote check statements for better
readability.
[~zhuqi]/[~bteke] /[~gandras] , I haven't addressed your comment, so it will be
nice if you can help to make the changes. (And again, please add a comment if
you plan to do that to avoid editing the same code).
> Implement weight mode in Capacity Scheduler
> -------------------------------------------
>
> Key: YARN-10504
> URL: https://issues.apache.org/jira/browse/YARN-10504
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Benjamin Teke
> Assignee: Benjamin Teke
> Priority: Major
> Attachments: YARN-10504.001.patch, YARN-10504.002.patch,
> YARN-10504.003.patch, YARN-10504.004.patch, YARN-10504.005.patch,
> YARN-10504.ver-1.patch, YARN-10504.ver-2.patch, YARN-10504.ver-3.patch
>
>
> To allow the possibility to flexibly create queues in Capacity Scheduler a
> weight mode should be introduced. The existing \{{capacity }}property should
> be used with a different syntax, i.e:
> root.users.capacity = (1.0) or ~1.0 or ^1.0 or @1.0
> root.users.capacity = 1.0w
> root.users.capacity = w:1.0
> Weight support should not impact the existing functionality.
>
> The new functionality should:
> * accept and validate the new weight values
> * enforce a singular mode on the whole queue tree
> * (re)calculate the relative (percentage-based) capacities based on the
> weights during launch and every time the queue structure changes
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