[jira] [Created] (MESOS-5740) Consider adding `relink` functionality to libprocess

["Joseph Wu (JIRA)" <ji...@apache.org>]

Joseph Wu created MESOS-5740:
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             Summary: Consider adding `relink` functionality to libprocess
                 Key: MESOS-5740
                 URL: https://issues.apache.org/jira/browse/MESOS-5740
             Project: Mesos
          Issue Type: Improvement
          Components: libprocess
            Reporter: Joseph Wu
            Assignee: Joseph Wu


Currently we don't have the {{relink}} functionality in libprocess.  i.e. A way to create a new persistent connection between actors, even if a connection already exists. 

This can benefit us in a couple of ways:
- The application may have more information on the state of a connection than libprocess does, as libprocess only checks if the connection is alive or not.  For example, a linkee may accept a connection, then fork, pass the connection to a child, and subsequently exit.  As the connection is still active, libprocess may not detect the exit.
- Sometimes, the {{ExitedEvent}} might be delayed or might be dropped due to the remote instance being unavailable (e.g., partition, network intermediaries not sending RST's etc). 




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