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https://issues.apache.org/jira/browse/YARN-343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13556681#comment-13556681
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Xuan Gong commented on YARN-343:
--------------------------------
The number we set up for the queue at CapacityScheduler.xml is configured as %.
So here, you set -1, after read to the code, it will become -0.01. If you do
not set any value at this property, it will use 100 as default, that means this
queue will be fully used. And I do not think we can use negative number, it
will check the value, and will pop up the exception if we set any negative
number.
> Capacity Scheduler maximum-capacity value -1 is invalid
> -------------------------------------------------------
>
> Key: YARN-343
> URL: https://issues.apache.org/jira/browse/YARN-343
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
> Affects Versions: 0.23.6
> Reporter: Thomas Graves
>
> I tried to start the resource manager using the capacity scheduler with a
> particular queues maximum-capacity set to -1 which is supposed to disable it
> according to the docs but I got the following exception:
> java.lang.IllegalArgumentException: Illegal value of maximumCapacity -0.01
> used in call to setMaxCapacity for queue foo
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSQueueUtils.checkMaxCapacity(CSQueueUtils.java:31)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.setupQueueConfigs(LeafQueue.java:220)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.<init>(LeafQueue.java:191)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.parseQueue(CapacityScheduler.java:310)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.parseQueue(CapacityScheduler.java:325)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.initializeQueues(CapacityScheduler.java:232)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.reinitialize(CapacityScheduler.java:202)
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