[YARN-6172] FSLeafQueue demand update needs to be atomic

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.9.0, 3.0.0-alpha4
• Component/s: resourcemanager
• Hadoop Flags: Reviewed
• Assignee: Miklos Szegedi
• Reporter: Varun Saxena
• Created: 10/Feb/17 20:56
• Updated: 21/Apr/17 21:55
• Resolved: 27/Feb/17 04:40

Description

Refer to test report https://builds.apache.org/job/PreCommit-YARN-Build/14882/testReport/

java.lang.AssertionError: null
	at org.junit.Assert.fail(Assert.java:86)
	at org.junit.Assert.assertTrue(Assert.java:41)
	at org.junit.Assert.assertTrue(Assert.java:52)
	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestFSAppStarvation.verifyLeafQueueStarvation(TestFSAppStarvation.java:133)
	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestFSAppStarvation.testPreemptionEnabled(TestFSAppStarvation.java:106)