[YARN-7645] TestContainerResourceUsage#testUsageAfterAMRestartWithMultipleContainers is flakey with FairScheduler

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.1.0
• Component/s: test
• Target Version/s: 3.1.0
• Hadoop Flags: Reviewed
• Assignee: Robert Kanter
• Reporter: Robert Kanter
• Created: 12/Dec/17 21:19
• Updated: 05/Jan/18 22:14
• Resolved: 05/Jan/18 21:55

Description

We've noticed some flakiness in TestContainerResourceUsage#testUsageAfterAMRestartWithMultipleContainers when using FairScheduler:

java.lang.AssertionError: Attempt state is not correct (timeout). expected:<ALLOCATED> but was:<SCHEDULED>
	at org.apache.hadoop.yarn.server.resourcemanager.TestContainerResourceUsage.amRestartTests(TestContainerResourceUsage.java:275)
	at org.apache.hadoop.yarn.server.resourcemanager.TestContainerResourceUsage.testUsageAfterAMRestartWithMultipleContainers(TestContainerResourceUsage.java:254)