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  1. Hadoop YARN
  2. YARN-5973

TestCapacitySchedulerSurgicalPreemption sometimes fails

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      Description

      The tests in TestCapacitySchedulerSurgicalPreemption appear to be racy. They often pass, but the following errors sometimes occur:

      testSimpleSurgicalPreemption(org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacitySchedulerSurgicalPreemption)  Time elapsed: 14.671 sec  <<< FAILURE!
      java.lang.AssertionError: null
      	at org.junit.Assert.fail(Assert.java:86)
      	at org.junit.Assert.fail(Assert.java:95)
      	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerPreemptionTestBase.waitNumberOfLiveContainersFromApp(CapacitySchedulerPreemptionTestBase.java:110)
      	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacitySchedulerSurgicalPreemption.testSimpleSurgicalPreemption(TestCapacitySchedulerSurgicalPreemption.java:143)
      
      testSurgicalPreemptionWithAvailableResource(org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacitySchedulerSurgicalPreemption)  Time elapsed: 9.503 sec  <<< FAILURE!
      java.lang.AssertionError: expected:<3> but was:<2>
      	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.capacity.TestCapacitySchedulerSurgicalPreemption.testSurgicalPreemptionWithAvailableResource(TestCapacitySchedulerSurgicalPreemption.java:220)
      

        Attachments

        1. YARN-5973-branch-2.8.0.001.patch
          6 kB
          Dibyendu Karmakar

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            • Assignee:
              dibyendu_hadoop Dibyendu Karmakar
              Reporter:
              epayne Eric Payne
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              Dates

              • Created:
                Updated: