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Posted to issues@spark.apache.org by "Josh Rosen (JIRA)" <ji...@apache.org> on 2016/11/30 02:15:58 UTC

[jira] [Created] (SPARK-18640) Fix minor synchronization issue in TaskSchedulerImpl.runningTasksByExecutors

Josh Rosen created SPARK-18640:
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             Summary: Fix minor synchronization issue in TaskSchedulerImpl.runningTasksByExecutors
                 Key: SPARK-18640
                 URL: https://issues.apache.org/jira/browse/SPARK-18640
             Project: Spark
          Issue Type: Bug
          Components: Scheduler
            Reporter: Josh Rosen
            Priority: Minor


The method TaskSchedulerImpl.runningTasksByExecutors() accesses the mutable executorIdToRunningTaskIds map without proper synchronization. We should fix this.



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