[jira] [Created] (MESOS-5364) Consider adding `unlink` functionality to libprocess

["Anand Mazumdar (JIRA)" <ji...@apache.org>]

Anand Mazumdar created MESOS-5364:
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             Summary: Consider adding `unlink` functionality to libprocess
                 Key: MESOS-5364
                 URL: https://issues.apache.org/jira/browse/MESOS-5364
             Project: Mesos
          Issue Type: Improvement
            Reporter: Anand Mazumdar


Currently we don't have the {{unlink}} functionality in libprocess i.e. Erlang's equivalent of http://erlang.org/doc/man/erlang.html#unlink-1. We have a lot of places in our current code with {{TODO's}} for implementing it.

It can benefit us in a couple of ways:
- Based on the business logic of the actor, it would want to authoritatively communicate that it is no longer interested in {{ExitedEvent}} for the external remote link.
- 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). 

I did not find any old JIRA's pertaining to this but I did come across an initial attempt to add this though albeit for injecting {{exited}} events as part of the initial review for MESOS-1059.



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