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https://issues.apache.org/jira/browse/YARN-4340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15063107#comment-15063107
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Sean Po commented on YARN-4340:
-------------------------------

I made a comment about the test failures before, but to make it easier to find, 
I'll paste it here again:

This patch addresses the remaining findbugs, checkstyle errors.
The following unit tests are failing and have associated Jira tickets:
        hadoop.yarn.server.resourcemanager.TestClientRMTokens 
                – YARN-4306
        hadoop.yarn.server.resourcemanager.TestAMAuthorization 
                – YARN-4318
        hadoop.yarn.client.TestGetGroups 
                – YARN-4351
The following unit tests are passing locally and flakiness may be related to 
YARN-4352:
        org.apache.hadoop.yarn.client.api.impl.TestYarnClient
                – testShouldNotRetryForeverForNonNetworkExceptions actually 
fails, but it also fails locally on trunk
                – testAMMRToken
        org.apache.hadoop.yarn.client.api.impl.TestAMRMClient
        org.apache.hadoop.yarn.client.api.impl.TestNMClient
The following tests are passing locally:
        hadoop.mapreduce.v2.TestMRJobsWithProfiler

There are three new test failures above, but when I ran the tests locally, they 
all passed:
        hadoop.mapred.TestJobSysDirWithDFS
        hadoop.mapred.TestNetworkedJob
        hadoop.yarn.server.resourcemanager.scheduler.fifo.TestFifoScheduler

If you also look at the Hadoop QA comment from two days ago, where the code 
only changed with regards to style, there were very few test failures, which 
indicates that some of the above tests are flaky:

JDK v1.8.0_66 Failed junit tests        
        hadoop.yarn.server.resourcemanager.TestAMAuthorization
        hadoop.yarn.server.resourcemanager.scheduler.fifo.TestFifoScheduler
        hadoop.yarn.server.resourcemanager.TestClientRMTokens


> Add "list" API to reservation system
> ------------------------------------
>
>                 Key: YARN-4340
>                 URL: https://issues.apache.org/jira/browse/YARN-4340
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: capacityscheduler, fairscheduler, resourcemanager
>            Reporter: Carlo Curino
>            Assignee: Sean Po
>         Attachments: YARN-4340.v1.patch, YARN-4340.v10.patch, 
> YARN-4340.v2.patch, YARN-4340.v3.patch, YARN-4340.v4.patch, 
> YARN-4340.v5.patch, YARN-4340.v6.patch, YARN-4340.v7.patch, 
> YARN-4340.v8.patch, YARN-4340.v9.patch
>
>
> This JIRA tracks changes to the APIs of the reservation system, and enables 
> querying the reservation system on which reservation exists by "time-range, 
> reservation-id".
> YARN-4420 has a dependency on this.



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