I know that Akka in general does not provide any strong reliability guarnatees. However, if I receive a RemoteClientWriteFailed notification for a specific remote actor and message, can I know for sure that the message was not put into the mailbox in the remote system?
I know that Akka in general does not provide any strong reliability guarnatees. However,
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Since we haven’t expressed such a guarantee, not only do we know for sure nor do we know if it will be preserved. 2.1 sheds the RemoteClientWriteFailed and insteads puts it into the DeadLetters (as it should be).
If you have something popping up in DeadLetters it’s reasonable to assume that it hasn’t been delivered.
Please refer to this for discussion on how to operate.