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Posted to issues@flink.apache.org by "Gabor Gevay (JIRA)" <ji...@apache.org> on 2016/01/20 16:23:39 UTC

[jira] [Created] (FLINK-3266) LocalFlinkMiniCluster leaks resources when multiple jobs are submitted

Gabor Gevay created FLINK-3266:
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             Summary: LocalFlinkMiniCluster leaks resources when multiple jobs are submitted
                 Key: FLINK-3266
                 URL: https://issues.apache.org/jira/browse/FLINK-3266
             Project: Flink
          Issue Type: Bug
          Components: Local Runtime
    Affects Versions: 1.0.0
            Reporter: Gabor Gevay
            Priority: Minor


After a job submitted to a LocalEnvironment finishes, some threads are not stopped, and are stuck in waiting forever.

You can observe this, if you enclose the body of the main function of the WordCount example with a loop that executes 100 times, and monitor the thread count (with VisualVM for example).

(The problem only happens if I use a mini cluster. If I use start-local.sh and submit jobs to it, then there is no leak.)



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