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https://issues.apache.org/jira/browse/YARN-8944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16663617#comment-16663617
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Wilfred Spiegelenburg commented on YARN-8944:
---------------------------------------------
Failure stack trace from the junit test:
{code}
[ERROR] Tests run: 17, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 36.546
s <<< FAILURE! - in
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestContainerAllocation
[ERROR]
testUserLimitAllocationMultipleContainers(org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestContainerAllocation)
Time elapsed: 1.09 s <<< FAILURE!
java.lang.AssertionError: expected:<101> but was:<71>
at org.junit.Assert.fail(Assert.java:88)
at org.junit.Assert.failNotEquals(Assert.java:834)
at org.junit.Assert.assertEquals(Assert.java:645)
at org.junit.Assert.assertEquals(Assert.java:631)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestContainerAllocation.testUserLimitAllocationMultipleContainers(TestContainerAllocation.java:945)
{code}
> TestContainerAllocation.testUserLimitAllocationMultipleContainers failure
> after YARN-8896
> -----------------------------------------------------------------------------------------
>
> Key: YARN-8944
> URL: https://issues.apache.org/jira/browse/YARN-8944
> Project: Hadoop YARN
> Issue Type: Test
> Components: capacity scheduler
> Affects Versions: 3.3.0
> Reporter: Wilfred Spiegelenburg
> Assignee: Wilfred Spiegelenburg
> Priority: Major
>
> YARN-8896 changes the behaviour of the CapacityScheduler by limiting the
> number of containers that can be allocated in one heartbeat. It is an
> undocumented change in behaviour.
> The change breaks the junit test:
> {{TestContainerAllocation.testUserLimitAllocationMultipleContainers}}
> The maximum number of containers that gets assigned via the on heartbeat is
> 100 and it expects 199 to be assigned.
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