[YARN-4556] TestFifoScheduler.testResourceOverCommit fails

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.8.0, 2.7.3, 3.0.0-alpha1
• Component/s: scheduler, test
• Assignee: Akihiro Suda
• Reporter: Akihiro Suda
• Created: 07/Jan/16 07:57
• Updated: 14/Oct/19 15:37
• Resolved: 26/Apr/16 16:22

Description

From YARN-4548 Jenkins log: https://builds.apache.org/job/PreCommit-YARN-Build/10181/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdk1.8.0_66.txt

Running org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.TestFifoScheduler
Tests run: 16, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 31.004 sec <<< FAILURE! - in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.TestFifoScheduler
testResourceOverCommit(org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.TestFifoScheduler)  Time elapsed: 4.746 sec  <<< FAILURE!
java.lang.AssertionError: expected:<-2048> but was:<0>
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.failNotEquals(Assert.java:743)
	at org.junit.Assert.assertEquals(Assert.java:118)
	at org.junit.Assert.assertEquals(Assert.java:555)
	at org.junit.Assert.assertEquals(Assert.java:542)
	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.TestFifoScheduler.testResourceOverCommit(TestFifoScheduler.java:1142)

https://github.com/apache/hadoop/blob/8676a118a12165ae5a8b80a2a4596c133471ebc1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/TestFifoScheduler.java#L1142

It seems that Jenkins has been hitting this intermittently since April 2015
https://www.google.com/search?q=TestFifoScheduler.testResourceOverCommit