Sean Po created YARN-6249:
-----------------------------
Summary: TestFairSchedulerPreemption is inconsistently failing on
trunk
Key: YARN-6249
URL: https://issues.apache.org/jira/browse/YARN-6249
Project: Hadoop YARN
Issue Type: Bug
Components: fairscheduler, resourcemanager
Reporter: Sean Po
Tests in TestFairSchedulerPreemption.java will inconsistently fail on trunk. An
example stack trace:
Tests run: 24, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 24.879 sec <<<
FAILURE! - in
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestFairSchedulerPreemption
testPreemptionSelectNonAMContainer[MinSharePreemptionWithDRF](org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestFairSchedulerPreemption)
Time elapsed: 10.475 sec <<< FAILURE!
java.lang.AssertionError: Incorrect number of containers on the greedy app
expected:<4> but was:<8>
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.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestFairSchedulerPreemption.verifyPreemption(TestFairSchedulerPreemption.java:288)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestFairSchedulerPreemption.testPreemptionSelectNonAMContainer(TestFairSchedulerPreemption.java:363)
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