yimeng created YARN-8828:
----------------------------
Summary: When config ReservationSystem ,the RM start failed.
Key: YARN-8828
URL: https://issues.apache.org/jira/browse/YARN-8828
Project: Hadoop YARN
Issue Type: Bug
Components: capacity scheduler
Affects Versions: 3.1.0
Reporter: yimeng
I tested ReservationSystem in Hadooop 3.0,but it seems have problem.
1.config yarn.resourcemanager.reservation-system.enable = true in RM
yarn-site.xml
2.select a leaf queue "bbb" ,config yarn.scheduler.capacity.root.bbb.reservable
= true in capacity-scheduler.xml,as follow
<property>
<name>yarn.scheduler.capacity.root.bbb.reservable</name>
<value>true</value>
</property>
3.then restart RM ,the RM start failed .The error stack log is as follows:
2018-09-27 11:30:15,691 | FATAL | main | Error starting ResourceManager |
ResourceManager.java:1517
org.apache.hadoop.service.ServiceStateException: java.io.IOException: mapping
contains invalid or non-leaf queue : bbb
at
org.apache.hadoop.service.ServiceStateException.convert(ServiceStateException.java:105)
at org.apache.hadoop.service.AbstractService.init(AbstractService.java:173)
at
org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:108)
at
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceInit(ResourceManager.java:813)
at org.apache.hadoop.service.AbstractService.init(AbstractService.java:164)
at
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.createAndInitActiveServices(ResourceManager.java:1214)
at
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceInit(ResourceManager.java:315)
at org.apache.hadoop.service.AbstractService.init(AbstractService.java:164)
at
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:1510)
Caused by: java.io.IOException: mapping contains invalid or non-leaf queue : bbb
at
org.apache.hadoop.yarn.server.resourcemanager.placement.UserGroupMappingPlacementRule.validateAndGetQueueMapping(UserGroupMappingPlacementRule.java:316)
at
org.apache.hadoop.yarn.server.resourcemanager.placement.UserGroupMappingPlacementRule.get(UserGroupMappingPlacementRule.java:280)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.getUserGroupMappingPlacementRule(CapacityScheduler.java:668)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.updatePlacementRules(CapacityScheduler.java:689)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.initializeQueues(CapacityScheduler.java:716)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.initScheduler(CapacityScheduler.java:360)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.serviceInit(CapacityScheduler.java:425)
at org.apache.hadoop.service.AbstractService.init(AbstractService.java:164)
... 7 more
I am sure the queue "bbb" is a leaf queue.
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