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Posted to issues@beam.apache.org by "sunjincheng (Jira)" <ji...@apache.org> on 2019/12/20 03:20:00 UTC

[jira] [Created] (BEAM-9006) Meta space memory leak caused by the shutdown hook of ProcessManager

sunjincheng created BEAM-9006:
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             Summary: Meta space memory leak caused by the shutdown hook of ProcessManager 
                 Key: BEAM-9006
                 URL: https://issues.apache.org/jira/browse/BEAM-9006
             Project: Beam
          Issue Type: Bug
          Components: java-fn-execution
            Reporter: sunjincheng
            Assignee: sunjincheng
             Fix For: 2.18.0


Currently the class `ProcessManager` will add a shutdown hook to stop all the living processes before JVM exits. The shutdown hook will never be removed. If this class is loaded by the user class loader, it will cause the user class loader could not be garbage collected which causes meta space memory leak eventually.



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