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Description:
User mailing list for the Akka Project.
Akka: Simpler Scalability, Fault-Tolerance, Concurrency & Remoting through Actors
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Actors instantiation strategy
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Hi! I would like to know if there is a best practice in actors instanciation : we have a dozen of different actors, each performing a particular operation and and giving the result of this operation to the next actor. Our first idea was to create a master actor which would institate all actors then starting the process by sending a message to the first actor in... more »
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singleton actors
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It looks like singleton-actors[1] can cause strange bad things to happen.
Having stumbled upon this personally i now find a stackoverflow thread[2],
but still don't see anything in the documentation. Should there be
something in the docs warning against using singleton objects so others
don't have to stumble upon this?... more »
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Typed actor supervisor hierarchies (in Java)
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Is it possible to create a supervisor hierarchy consisting of typed actors in Java? The docs imply that it is possible: [link] "Since you can obtain a contextual Typed Actor Extension by passing in an ActorContext you can create child Typed Actors by invoking typedActorOf(..) on... more »
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Epic Logback Failure
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I'm using Logback with a groovy config file, and recently migrated to
use ActorLogging.
The same project starts just fine under sbt/jetty on my macbook, yet fails
under Tomcat on a small (single core) amazon instance.
For the most part, I'm completely stumped; but suspect that thread
starvation is occurring, given the difference in core count between the... more »
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gossip failed
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Hi guys,
i am playing with a cluster junit test. i start a cluster with 4 nodes
Node0, Node1, Node2, Node3. Each register a MembershipChangeListener,
and after all converged i stop node0 and ... gossip failed to elect a
new leader.
Regards
Bruno
if it may help here is the java code :... more »
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FSM Usage pattern
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Dear all,
I have an Actor which might be in two states.Idle or Processing.When
in Idle, if a message is received,it directly moves to Processing,
where it starts a long procedure. At the end
At the end of the procedure, the actor should
- Go back to Idle if no message is received during the Processing... more »
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2.0(.1) feedback requested
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Dear hAkkers,
Now it's almost been 3 months since we released Akka 2.0, and we, the
committers would really appreciate
getting some feedback on what your experiences have been during the past
months.
If you cannot share this publically, please feel free to send the feedback
to me personally and I'll keep it confidential.... more »
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Process only last message pattern
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Dear users,
I have to implement a system where a given number of event might occur in a
certain lifetime and I want to process in batch. Namely each event should
trigger the recomputation of the same object, let's say for example the
value of the dow Jones index.
At each time I need to compute it I should read from my data layer all the... more »
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best way to ask a million actors?
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Hey All, What's the best way to ? a million actors? I've tried using Future.fold, but that seems to try to have a thread for each actor that it's waiting on. Or perhaps I'm mistaken? Thanks, Ben
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