Hi Paul, I think you have identified the two options and understood the differences and trade-offs. To make it clear, some comments inline...
On Thu, Aug 14, 2014 at 3:17 PM, Paul Cleary <[email protected]> wrote: > I am looking into using Akka Remoting, I am using akka 2.2.3. > > I have to communicate with a bunch of remote actors. I have a few > questions about the best way to do this: > > 1. Do I simply send messages through an Actor Selection itself (there is a > tell on actor selection)? My concern is that this will not perform as well > as using an Actor Ref directly. > It is not as performant as with ActorRef, since it has to traverse the hierarchy of actors in the path. If you use remote sends the actor selection traversal will unlikely be the bottleneck, but you have to verify that for your specific usage. We optimized ActorSelection in 2.3.x, so it will be faster when you update to that version. > Also, I am concerned about the behavior in the event that the remote > actor is down, does the Actor Selection deliver the messages to dead letter > until the remote actor comes back to life? > Yes, that is correct > > - if not - > > 2. Do I instead get an Actor Ref and use that actor ref to send messages > (using the resolve method or Identify)? My concern here is, what happens > to the ActorRef if the remote actor dies? Do we "need" to watch the remote > actor and handle Terminated? > Yes > > - are there other options? - > > > It would "seem" as though option 1 insulates me from having to care if the > remote actor is there or not, because in my use case, I really don't care. > > Option 2 seems like I have to do my own gymnastics to handle remote actor > availability, but perhaps is better performing (or maybe is the recommended > approach?) > Right Regards, Patrik > > Any help is greatly appreciated. > > Thanks! > > -- > >>>>>>>>>> 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. > -- Patrik Nordwall Typesafe <http://typesafe.com/> - Reactive apps on the JVM Twitter: @patriknw -- >>>>>>>>>> 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.
