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https://issues.apache.org/jira/browse/SPARK-18066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15600310#comment-15600310
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Apache Spark commented on SPARK-18066:
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User 'erenavsarogullari' has created a pull request for this issue:
https://github.com/apache/spark/pull/15604

> Add Pool usage policies test coverage for FIFO & FAIR Schedulers
> ----------------------------------------------------------------
>
>                 Key: SPARK-18066
>                 URL: https://issues.apache.org/jira/browse/SPARK-18066
>             Project: Spark
>          Issue Type: Test
>          Components: Scheduler
>    Affects Versions: 2.1.0
>            Reporter: Eren Avsarogullari
>            Priority: Minor
>
> The following Pool usage cases need to have Unit test coverage :
> - FIFO Scheduler just uses *root pool* so even if *spark.scheduler.pool* 
> property is set, related pool is not created and *TaskSetManagers* are added 
> to root pool.
> - FAIR Scheduler uses default pool when *spark.scheduler.pool* property is 
> not set. This can be happened when Properties object is null or empty(*new 
> Properties()*) or points default pool(*spark.scheduler.pool*=_default_).
> - FAIR Scheduler creates a new pool with default values when 
> *spark.scheduler.pool* property points _non-existent_ pool. This can be 
> happened when scheduler allocation file is not set or it does not contain 
> related pool.



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