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https://issues.apache.org/jira/browse/YARN-7575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16269455#comment-16269455
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Eric Payne commented on YARN-7575:
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Sorry, my bad. My ULF is set to 2.0 on the default queue. After setting it to
3.0, my use case works.
On the plus side, we know that ULF works as expected with absolute capacity :)
+1 on on the patch. Thanks [~sunilg]
> When using absolute capacity configuration with no max capacity, scheduler UI
> NPEs and can't grow queue
> -------------------------------------------------------------------------------------------------------
>
> Key: YARN-7575
> URL: https://issues.apache.org/jira/browse/YARN-7575
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacity scheduler
> Reporter: Eric Payne
> Attachments: YARN-7575-YARN-5881.001.patch
>
>
> I encountered the following while reviewing and testing branch YARN-5881.
> The design document from YARN-5881 says that for max-capacity:
> {quote}
> 3) For each queue, we require:
> a) if max-resource not set, it automatically set to parent.max-resource
> {quote}
> When I try leaving blank {{yarn.scheduler.capacity.<
> queue-path>.maximum-capacity}}, the RMUI scheduler page refuses to render. It
> looks like it's in {{CapacitySchedulerPage$ LeafQueueInfoBlock}}:
> {noformat}
> 2017-11-28 11:29:16,974 [qtp43473566-220] ERROR webapp.Dispatcher: error
> handling URI: /cluster/scheduler
> java.lang.reflect.InvocationTargetException
> ...
> at
> org.apache.hadoop.yarn.server.resourcemanager.webapp.CapacitySchedulerPage$LeafQueueInfoBlock.renderQueueCapacityInfo(CapacitySchedulerPage.java:164)
> at
> org.apache.hadoop.yarn.server.resourcemanager.webapp.CapacitySchedulerPage$LeafQueueInfoBlock.renderLeafQueueInfoWithoutParition(CapacitySchedulerPage.java:129)
> {noformat}
> Also... A job will run in the leaf queue with no max capacity set and it will
> grow to the max capacity of the cluster, but if I add resources to the node,
> the job won't grow any more even though it has pending resources.
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