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From "Gabor Gevay (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-3266) LocalFlinkMiniCluster leaks resources when multiple jobs are submitted
Date Wed, 20 Jan 2016 15:23:39 GMT
Gabor Gevay created FLINK-3266:
----------------------------------

             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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