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https://issues.apache.org/jira/browse/SPARK-17894?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kay Ousterhout resolved SPARK-17894.
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Resolution: Fixed
Fix Version/s: 2.1.0
Resolved by https://github.com/apache/spark/pull/15463
> Ensure uniqueness of TaskSetManager name
> ----------------------------------------
>
> Key: SPARK-17894
> URL: https://issues.apache.org/jira/browse/SPARK-17894
> Project: Spark
> Issue Type: Bug
> Components: Scheduler
> Affects Versions: 2.1.0
> Reporter: Eren Avsarogullari
> Assignee: Eren Avsarogullari
> Fix For: 2.1.0
>
>
> TaskSetManager should have unique name to avoid adding duplicate ones to
> *Pool* via *SchedulableBuilder*. This problem surfaced with
> https://issues.apache.org/jira/browse/SPARK-17759 and please find discussion:
> https://github.com/apache/spark/pull/15326
> *Proposal* :
> There is 1x1 relationship between Stage Attempt Id and TaskSetManager so
> taskSet.Id covering both stageId and stageAttemptId looks to be used for
> TaskSetManager as well.
> *Current TaskSetManager Name* :
> {code:java} var name = "TaskSet_" + taskSet.stageId.toString{code}
> *Sample*: TaskSet_0
> *Proposed TaskSetManager Name* :
> {code:java} var name = "TaskSet_" + taskSet.Id (stageId + "." +
> stageAttemptId) {code}
> *Sample* : TaskSet_0.0
> cc [~kayousterhout] [~markhamstra]
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