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Posted to issues@spark.apache.org by "Josh Rosen (Jira)" <ji...@apache.org> on 2021/10/14 21:31:00 UTC

[jira] [Created] (SPARK-37009) Add checks to DebugFilesystem to ensure that FS operations are not performed in the DAGScheduler event loop

Josh Rosen created SPARK-37009:
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             Summary: Add checks to DebugFilesystem to ensure that FS operations are not performed in the DAGScheduler event loop
                 Key: SPARK-37009
                 URL: https://issues.apache.org/jira/browse/SPARK-37009
             Project: Spark
          Issue Type: Improvement
          Components: Scheduler, Tests
    Affects Versions: 3.0.0
            Reporter: Josh Rosen


As [~yuchen.huo] suggested at [https://github.com/apache/spark/pull/34265#discussion_r728805893,] we explore modifying {{DebugFilesystem}} to throw exceptions in case filesystem operations are performed from inside of the DAGScheduler's event processing thread. This could help prevent future issues that are similar to SPARK-23626. 



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