Yan Xu created MESOS-7786:
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Summary: Create a convention for special
Key: MESOS-7786
URL: https://issues.apache.org/jira/browse/MESOS-7786
Project: Mesos
Issue Type: Bug
Reporter: Yan Xu
In libprocess we have this "fire and forget" messaging semantics, (e.g.,
MESOS-7753 and a few places in tests).
Right now these kind of messages use an empty sender PID, i.e., {{@0.0.0.0:0}}
which is could fail some checks like MESOS-7401.
At a high level I think
- It's OK if libprocess messages don't have a sender actor, akin to the
[no-sender|http://doc.akka.io/japi/akka/current/akka/actor/ActorRef.html#noSender--]
concept in Akka.
- However all remote messages should have a valid source address i.e., ip and
port in its {{Libprocess-From}}.
So we can create a special *no-sender* ID and just make sure real actors can't
use this ID. The ID could {{\_\_no\_sender\_\_}} or simply {{\_}}? The UPID
would then look like {{[email protected]:5050}}.
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