[jira] [Created] (REEF-1658) Gracefully shut down all threads at the end of the REEF job

["Sergiy Matusevych (JIRA)" <ji...@apache.org>]

Sergiy Matusevych created REEF-1658:
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             Summary: Gracefully shut down all threads at the end of the REEF job
                 Key: REEF-1658
                 URL: https://issues.apache.org/jira/browse/REEF-1658
             Project: REEF
          Issue Type: Sub-task
          Components: REEF Driver, REEF Runtime Local, REEF-Common, Wake
            Reporter: Sergiy Matusevych
            Assignee: Sergiy Matusevych


Currently, REEF launcher explicitly runs
{code:java}
System.exit(0);
{code}
at the end of the REEF job to shut down all threads that are still running.

This is not acceptable when REEF is launched as a library alongside with other applications on the same JVM. We need to properly clean-up the resources and shut down all threads on REEF application shutdown.



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