Details

    • Type: Sub-task
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.8.4
    • Fix Version/s: 3.3.0
    • Component/s: fs/s3
    • Labels:
      None

      Description

      S3AOutputStream by calling org.apache.hadoop.fs.s3a.S3AFileSystem#createTmpFileForWrite indirectly calls java.io.File#deleteOnExit and java.io.DeleteOnExitHook which are known for memory leaking:
       
      https://bugs.java.com/view_bug.do?bug_id=6664633
      https://bugs.java.com/view_bug.do?bug_id=4872014
       
      Apparently it was even fixed (same bug but in unrelated issue) for different component couple of years ago https://issues.apache.org/jira/browse/HADOOP-8635 . 

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              • Assignee:
                stevel@apache.org Steve Loughran
                Reporter:
                pnowojski Piotr Nowojski
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                • Created:
                  Updated:
                  Resolved: