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https://issues.apache.org/jira/browse/YARN-9791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16918608#comment-16918608
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Prabhu Joseph commented on YARN-9791:
-------------------------------------
Failed testcase TestRMAppTransitions is not related and will be fixed by
YARN-9540.
> Queue Mutation API does not allow to remove a config
> ----------------------------------------------------
>
> Key: YARN-9791
> URL: https://issues.apache.org/jira/browse/YARN-9791
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacity scheduler
> Affects Versions: 3.3.0
> Reporter: Prabhu Joseph
> Assignee: Prabhu Joseph
> Priority: Major
> Attachments: YARN-9791-001.patch
>
>
> Queue Mutation API does not allow to remove a config. When removing a node
> label from a queue and it's capacity config
> {code}
> <sched-conf>
> <update-queue>
> <queue-name>root.batch</queue-name>
> <params>
> <entry>
> <key>accessible-node-labels</key>
> <value></value>
> </entry>
> <entry>
> <key>accessible-node-labels.x.capacity</key>
> <value></value>
> </entry>
> </params>
> </update-queue>
> </sched-conf>
> {code}
> It fails with below.
> {code}
> Caused by: java.lang.NumberFormatException: empty String
> at
> sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1842)
> at sun.misc.FloatingDecimal.parseFloat(FloatingDecimal.java:122)
> at java.lang.Float.parseFloat(Float.java:451)
> at
> org.apache.hadoop.conf.Configuration.getFloat(Configuration.java:1632)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration.internalGetLabeledQueueCapacity(CapacitySchedulerConfiguration.java:682)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration.getLabeledQueueCapacity(CapacitySchedulerConfiguration.java:697)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSQueueUtils.loadCapacitiesByLabelsFromConf(CSQueueUtils.java:136)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSQueueUtils.loadUpdateAndCheckCapacities(CSQueueUtils.java:111)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.AbstractCSQueue.setupConfigurableCapacities(AbstractCSQueue.java:185)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.AbstractCSQueue.setupQueueConfigs(AbstractCSQueue.java:362)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.setupQueueConfigs(LeafQueue.java:172)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.<init>(LeafQueue.java:157)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.<init>(LeafQueue.java:139)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerQueueManager.parseQueue(CapacitySchedulerQueueManager.java:259)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerQueueManager.parseQueue(CapacitySchedulerQueueManager.java:283)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerQueueManager.reinitializeQueues(CapacitySchedulerQueueManager.java:171)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.reinitializeQueues(CapacityScheduler.java:785)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.reinitialize(CapacityScheduler.java:497)
> ... 72 more
> {code}
> We can fix this by providing a separate XmlElement to remove config.
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