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Anubhav Dhoot updated YARN-2192: -------------------------------- Description: If the test is run with FairSchedulers, some of the tests fail because the metricsssytem objects are shared across tests and not destroyed completely. {code} Error Message Metrics source QueueMetrics,q0=root already exists! Stacktrace org.apache.hadoop.metrics2.MetricsException: Metrics source QueueMetrics,q0=root already exists! at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newSourceName(DefaultMetricsSystem.java:126) at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.sourceName(DefaultMetricsSystem.java:107) at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.register(MetricsSystemImpl.java:217) at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSQueueMetrics.forQueue(FSQueueMetrics.java:96) at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.reinitialize(FairScheduler.java:1281) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceInit(ResourceManager.java:427) {code} was: Some TestRMHA assume CapacityScheduler. If the test is run with multiple schedulers, some of the tests fail because the metricsssytem objects that are shared across tests and fail as below. {code} Error Message Metrics source QueueMetrics,q0=root already exists! Stacktrace org.apache.hadoop.metrics2.MetricsException: Metrics source QueueMetrics,q0=root already exists! at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newSourceName(DefaultMetricsSystem.java:126) at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.sourceName(DefaultMetricsSystem.java:107) at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.register(MetricsSystemImpl.java:217) at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSQueueMetrics.forQueue(FSQueueMetrics.java:96) at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.reinitialize(FairScheduler.java:1281) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceInit(ResourceManager.java:427) {code} > TestRMHA fails when run with a mix of Schedulers > ------------------------------------------------ > > Key: YARN-2192 > URL: https://issues.apache.org/jira/browse/YARN-2192 > Project: Hadoop YARN > Issue Type: Bug > Reporter: Anubhav Dhoot > Assignee: Anubhav Dhoot > > If the test is run with FairSchedulers, some of the tests fail because the > metricsssytem objects are shared across tests and not destroyed completely. > {code} > Error Message > Metrics source QueueMetrics,q0=root already exists! > Stacktrace > org.apache.hadoop.metrics2.MetricsException: Metrics source > QueueMetrics,q0=root already exists! > at > org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newSourceName(DefaultMetricsSystem.java:126) > at > org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.sourceName(DefaultMetricsSystem.java:107) > at > org.apache.hadoop.metrics2.impl.MetricsSystemImpl.register(MetricsSystemImpl.java:217) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSQueueMetrics.forQueue(FSQueueMetrics.java:96) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.reinitialize(FairScheduler.java:1281) > at > org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceInit(ResourceManager.java:427) > {code} -- This message was sent by Atlassian JIRA (v6.2#6252)