Hi Lawrence, this is a very good point to bring up: systematic errors in the event application logic will indeed just be recreated during replay, so persistence does not lead to resilience in this case. However, it does allow you to fix the implementation of your actor and rerun the log in the correct fashion, fixing the bug retroactively. This works a lot better for event-sourcing due to explicit control over the side-effects, which is why we are going to remove the Processor trait and enhance EventsourcedProcessor’s throughput (the lack of which is currently the reason for having Processor at all), see https://github.com/akka/akka/issues/15230.
Regards, Roland 14 maj 2014 kl. 22:21 skrev Lawrence Wagerfield <[email protected]>: > Akka documentation highlights that actor state is reset on failure in > standard actor systems. > > However, an actor powered by Persistent messages will simply have these > messages replayed and hence will rebuild the same state. > > Does akka-persistence therefore assume we have designed all processors/views > to have incorruptible internal state? > > -- > >>>>>>>>>> Read the docs: http://akka.io/docs/ > >>>>>>>>>> Check the FAQ: > >>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html > >>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user > --- > You received this message because you are subscribed to the Google Groups > "Akka User List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/akka-user. > For more options, visit https://groups.google.com/d/optout. Dr. Roland Kuhn Akka Tech Lead Typesafe – Reactive apps on the JVM. twitter: @rolandkuhn -- >>>>>>>>>> Read the docs: http://akka.io/docs/ >>>>>>>>>> Check the FAQ: >>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html >>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups "Akka User List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout.
