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https://issues.apache.org/jira/browse/YARN-5354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sangjin Lee updated YARN-5354:
------------------------------
    Description: {{TestDistributedShell.checkTimelineV2()}} uses the default 
(hard-coded) storage root directory. This is brittle against concurrent tests. 
We should use a unique storage directory for the unit tests.  (was: 
{{TestDistributedShell.checkTimelineV2()}} uses the default (hard-coded) 
storage root directory. This is brittle against concurrent tests. We should use 
a unique storage directory for the unit tests.

We should also fix the default storage location for 
{{FileSystemTimelineWriterImpl}} to be cross-platform as part of this. The 
current value ( {{/tmp/timeline-service-data}} ) won't work on Windows.)

> TestDistributedShell.checkTimelineV2() may fail for concurrent tests
> --------------------------------------------------------------------
>
>                 Key: YARN-5354
>                 URL: https://issues.apache.org/jira/browse/YARN-5354
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: timelineserver
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Sangjin Lee
>            Assignee: Sangjin Lee
>
> {{TestDistributedShell.checkTimelineV2()}} uses the default (hard-coded) 
> storage root directory. This is brittle against concurrent tests. We should 
> use a unique storage directory for the unit tests.



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