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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6218) TestAMRMClient fails with fair scheduler
Date Tue, 28 Feb 2017 22:40:45 GMT

    [ https://issues.apache.org/jira/browse/YARN-6218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15888997#comment-15888997
] 

Yufei Gu commented on YARN-6218:
--------------------------------

Thanks for working on this. [~miklos.szegedi@cloudera.com]. The patches looks good generally.
Some nits:
# Would triggerSchedulingWithNMHeartBeat() or triggerAllocationWithNMHeartBeat() be better
names for waitForNMHeartbeat()? And we can get grid of comments before each time we invoke
waitForNMHeartbeat() in that case.
# Would be better to use setup() and teardown() instead of startApp() and cancelApp()? Since
these functions do more than just start an app and cancel an app. 

> TestAMRMClient fails with fair scheduler
> ----------------------------------------
>
>                 Key: YARN-6218
>                 URL: https://issues.apache.org/jira/browse/YARN-6218
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Miklos Szegedi
>            Assignee: Miklos Szegedi
>            Priority: Minor
>         Attachments: YARN-6218.000.patch, YARN-6218.001.patch
>
>
> We ran into this issue on v2. Allocation does not happen in the specified amount of time.
> Error Message
> expected:<2> but was:<0>
> Stacktrace
> java.lang.AssertionError: expected:<2> 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.client.api.impl.TestAMRMClient.testAMRMClientMatchStorage(TestAMRMClient.java:495)



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