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https://issues.apache.org/jira/browse/SPARK-5219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14275284#comment-14275284
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Apache Spark commented on SPARK-5219:
-------------------------------------

User 'zsxwing' has created a pull request for this issue:
https://github.com/apache/spark/pull/4019

> Race condition in TaskSchedulerImpl and TaskSetManager
> ------------------------------------------------------
>
>                 Key: SPARK-5219
>                 URL: https://issues.apache.org/jira/browse/SPARK-5219
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>            Reporter: Shixiong Zhu
>
> TaskSchedulerImpl.handleTaskGettingResult, TaskSetManager.canFetchMoreResults 
> and TaskSetManager.abort will access variables which are used in multiple 
> threads, but they don't use a correct lock.



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