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https://issues.apache.org/jira/browse/YARN-4492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15096270#comment-15096270
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Jason Lowe commented on YARN-4492:
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Thanks for the patch, [~Naganarasimha]! Just a few more phrasing nits:
"Free resources can be allocated to any queue beyond it's capacity." should be
"Free resources can be allocated to any queue beyond its capacity." ("it's"
vs. "its") I know this was from before, but since we're in the neighborhood...
;-)
"Any application that is submitted with a priority is greater then cluster max
priority then ..." should be "Any application submitted with a priority greater
than the cluster-max priority will have its priority reset to the cluster-max
priority." (or something similar).
"If application is not submitted with any priority, then default priority of
the queue will be taken in account." would be clearer as "An application
submitted without a specified priority will have the priority set to the
queue's default priority." or "The queue's default priority will be used for
any application submitted without a specified priority."
"Following configuration parameters ..." should be "The following configuration
parameters ..."
> Add documentation for preemption supported in Capacity scheduler
> ----------------------------------------------------------------
>
> Key: YARN-4492
> URL: https://issues.apache.org/jira/browse/YARN-4492
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacity scheduler
> Reporter: Naganarasimha G R
> Assignee: Naganarasimha G R
> Priority: Minor
> Attachments: CapacityScheduler.html, YARN-4492.v1.001.patch,
> YARN-4492.v1.002.patch, YARN-4492.v1.003.patch, YARN-4492.v2.001.patch,
> YARN-4492.v2.002.patch
>
>
> As part of YARN-2056, Support has been added to disable preemption for a
> specific queue. This is a useful feature in a multiload cluster but currently
> missing documentation.
> Complete preemption is not documented hence update all configurations for
> capacity scheduler preemption
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