Anubhav Dhoot created YARN-2096:
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Summary: testQueueMetricsOnRMRestart has race condition
Key: YARN-2096
URL: https://issues.apache.org/jira/browse/YARN-2096
Project: Hadoop YARN
Issue Type: Bug
Reporter: Anubhav Dhoot
org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart.testQueueMetricsOnRMRestart
fails randomly because of a race condition.
The test validates that metrics are incremented, but does not wait for all
transitions to finish before checking for the values.
It also resets metrics after kicking off recovery of second RM. The metrics
that need to be incremented race with this reset causing test to fail randomly.
We need to wait for the right transitions.
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