[jira] [Created] (MESOS-4111) Provide a means for libprocess users to exit while ensuring messages are flushed.

["Benjamin Mahler (JIRA)" <ji...@apache.org>]

Benjamin Mahler created MESOS-4111:
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             Summary: Provide a means for libprocess users to exit while ensuring messages are flushed.
                 Key: MESOS-4111
                 URL: https://issues.apache.org/jira/browse/MESOS-4111
             Project: Mesos
          Issue Type: Bug
          Components: libprocess
            Reporter: Benjamin Mahler
            Priority: Minor


Currently after a {{send}} there is no way to ensure that the message is flushed on the socket before terminating. We work around this by inserting {{os::sleep}} calls (see MESOS-243, MESOS-4106).

There are a number of approaches to this:

(1) Return a Future from send that notifies when the message is flushed from the system.

(2) Call process::finalize before exiting. This would require that process::finalize flushes all of the outstanding data on any active sockets, which may block.

Regardless of the approach, there needs to be a timer if we want to guarantee termination.



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