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https://issues.apache.org/jira/browse/YARN-6279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15924533#comment-15924533
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Haibo Chen commented on YARN-6279:
----------------------------------
Agree with [~GergelyNovak]'s observation.
> Scheduler rest api JSON is not providing all child queues names
> ---------------------------------------------------------------
>
> Key: YARN-6279
> URL: https://issues.apache.org/jira/browse/YARN-6279
> Project: Hadoop YARN
> Issue Type: Bug
> Components: api, fairscheduler, scheduler
> Affects Versions: 2.4.1
> Environment: Ubuntu 14.04, 7.7 GiB, i5, 3.4GHz x 4, 64-bit
> Reporter: Ashish Doneriya
>
> When I hit rest api /ws/v1/cluster/scheduler to get the JSON file. Its gave
> me all child queues information, But it didn't gave me all information about
> child queues of child queues. It displays information of only one sub child
> queue. While in xml format there is no such problem.
> I'm providing the xml and json outputs..
> <!------------------------JSON----------------------------->
> {"scheduler":{"schedulerInfo":{"type":"fairScheduler","rootQueue":{"maxApps":2147483647,"minResources":{"memory":0,"vCores":0},"maxResources":{"memory":8192,"vCores":8},"usedResources":{"memory":0,"vCores":0},"fairResources":{"memory":8192,"vCores":8},"clusterResources":{"memory":8192,"vCores":8},"queueName":"root","schedulingPolicy":"fair","childQueues":[{"maxApps":20,"minResources":{"memory":1024,"vCores":1},"maxResources":{"memory":5283,"vCores":2},"usedResources":{"memory":0,"vCores":0},"fairResources":{"memory":5283,"vCores":0},"clusterResources":{"memory":8192,"vCores":8},"queueName":"root.Engineering","schedulingPolicy":"fair","childQueues":{"type":["fairSchedulerLeafQueueInfo"],"maxApps":2147483647,"minResources":{"memory":1024,"vCores":1},"maxResources":{"memory":8192,"vCores":8},"usedResources":{"memory":0,"vCores":0},"fairResources":{"memory":2642,"vCores":0},"clusterResources":{"memory":8192,"vCores":8},"queueName":"root.Engineering.Development","schedulingPolicy":"fair","numPendingApps":0,"numActiveApps":0},"childQueues":{"type":"fairSchedulerLeafQueueInfo","maxApps":2147483647,"minResources":{"memory":1024,"vCores":1},"maxResources":{"memory":8192,"vCores":8},"usedResources":{"memory":0,"vCores":0},"fairResources":{"memory":2642,"vCores":0},"clusterResources":{"memory":8192,"vCores":8},"queueName":"root.Engineering.TESTING","schedulingPolicy":"fair","numPendingApps":0,"numActiveApps":0}},{"type":"fairSchedulerLeafQueueInfo","maxApps":2147483647,"minResources":{"memory":0,"vCores":0},"maxResources":{"memory":8192,"vCores":8},"usedResources":{"memory":0,"vCores":0},"fairResources":{"memory":2909,"vCores":0},"clusterResources":{"memory":8192,"vCores":8},"queueName":"root.default","schedulingPolicy":"fair","numPendingApps":0,"numActiveApps":0}]}}}}
> <!-----------------------------------------XML
> ---------------------------------------->
> <scheduler>
> <schedulerInfo xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xsi:type="fairScheduler">
> <rootQueue>
> <maxApps>2147483647</maxApps>
> <minResources>
> <memory>0</memory>
> <vCores>0</vCores>
> </minResources>
> <maxResources>
> <memory>8192</memory>
> <vCores>8</vCores>
> </maxResources>
> <usedResources>
> <memory>0</memory>
> <vCores>0</vCores>
> </usedResources>
> <fairResources>
> <memory>8192</memory>
> <vCores>8</vCores>
> </fairResources>
> <clusterResources>
> <memory>8192</memory>
> <vCores>8</vCores>
> </clusterResources>
> <queueName>root</queueName>
> <schedulingPolicy>fair</schedulingPolicy>
> <childQueues>
> <maxApps>20</maxApps>
> <minResources>
> <memory>1024</memory>
> <vCores>1</vCores>
> </minResources>
> <maxResources>
> <memory>5283</memory>
> <vCores>2</vCores>
> </maxResources>
> <usedResources>
> <memory>0</memory>
> <vCores>0</vCores>
> </usedResources>
> <fairResources>
> <memory>5283</memory>
> <vCores>0</vCores>
> </fairResources>
> <clusterResources>
> <memory>8192</memory>
> <vCores>8</vCores>
> </clusterResources>
> <queueName>root.Engineering</queueName>
> <schedulingPolicy>fair</schedulingPolicy>
> <childQueues
> xsi:type="fairSchedulerLeafQueueInfo">
> <maxApps>2147483647</maxApps>
> <minResources>
> <memory>1024</memory>
> <vCores>1</vCores>
> </minResources>
> <maxResources>
> <memory>8192</memory>
> <vCores>8</vCores>
> </maxResources>
> <usedResources>
> <memory>0</memory>
> <vCores>0</vCores>
> </usedResources>
> <fairResources>
> <memory>2642</memory>
> <vCores>0</vCores>
> </fairResources>
> <clusterResources>
> <memory>8192</memory>
> <vCores>8</vCores>
> </clusterResources>
>
> <queueName>root.Engineering.Development</queueName>
>
> <schedulingPolicy>fair</schedulingPolicy>
> <numPendingApps>0</numPendingApps>
> <numActiveApps>0</numActiveApps>
> </childQueues>
> <childQueues
> xsi:type="fairSchedulerLeafQueueInfo">
> <maxApps>2147483647</maxApps>
> <minResources>
> <memory>1024</memory>
> <vCores>1</vCores>
> </minResources>
> <maxResources>
> <memory>8192</memory>
> <vCores>8</vCores>
> </maxResources>
> <usedResources>
> <memory>0</memory>
> <vCores>0</vCores>
> </usedResources>
> <fairResources>
> <memory>2642</memory>
> <vCores>0</vCores>
> </fairResources>
> <clusterResources>
> <memory>8192</memory>
> <vCores>8</vCores>
> </clusterResources>
>
> <queueName>root.Engineering.TESTING</queueName>
>
> <schedulingPolicy>fair</schedulingPolicy>
> <numPendingApps>0</numPendingApps>
> <numActiveApps>0</numActiveApps>
> </childQueues>
> </childQueues>
> <childQueues xsi:type="fairSchedulerLeafQueueInfo">
> <maxApps>2147483647</maxApps>
> <minResources>
> <memory>0</memory>
> <vCores>0</vCores>
> </minResources>
> <maxResources>
> <memory>8192</memory>
> <vCores>8</vCores>
> </maxResources>
> <usedResources>
> <memory>0</memory>
> <vCores>0</vCores>
> </usedResources>
> <fairResources>
> <memory>2909</memory>
> <vCores>0</vCores>
> </fairResources>
> <clusterResources>
> <memory>8192</memory>
> <vCores>8</vCores>
> </clusterResources>
> <queueName>root.default</queueName>
> <schedulingPolicy>fair</schedulingPolicy>
> <numPendingApps>0</numPendingApps>
> <numActiveApps>0</numActiveApps>
> </childQueues>
> </rootQueue>
> </schedulerInfo>
> </scheduler>
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