I'd recommend Lightbend Proffesional Support for such design consulting. If
you have found an issue or bottleneck in Akka you are welcome to continue
the discussion here or in the issue tracker with a reproducer of the
problem.

Thanks,
Patrik

On Wed, Jun 14, 2017 at 8:37 PM, Mainak Ghosh <[email protected]>
wrote:

> Hello Patrik,
>
> Any thoughts on this. We can setup a chat some time if that helps.
>
> Mainak
>
> On Thu, Jun 8, 2017 at 1:12 PM, Mainak Ghosh <[email protected]>
> wrote:
>
>> Hello Patrik,
>>
>> I am trying to explore the tradeoffs of instantiating a new routee when
>> there is overhead of state reconciliation. In my application, routees
>> themselves can be CPU intensive, and as a result distributing the load
>> across multiple machine improves performance (especially when we have a
>> lower core count machines). Additionally, we are exploring the impact of
>> controlled locality for remote actors.
>>
>> Thanks,
>> Mainak
>>
>>
>> On Thu, Jun 8, 2017 at 2:59 AM, Patrik Nordwall <
>> [email protected]> wrote:
>>
>>> I think resizer is only for local router. Also, I don't understand why
>>> adding more actors should improve performance if the bottleneck is outside
>>> of these actors. Have you tried by just using the local replicator from
>>> each node without any routers. If not, please explain why that is not a
>>> good fit for your application.
>>>
>>> /Patrik
>>>
>>> ons 7 juni 2017 kl. 17:20 skrev Mainak Ghosh <[email protected]>:
>>>
>>>> Hello Patrik and Johan,
>>>>
>>>> Thanks for your reply. The goal of my work is to test the performance
>>>> of resizer block in a cluster aware situation where the routees are
>>>> replicators who are trying to reconcile state among themselves based on
>>>> application's consistency requirement. Can you please shed some light on
>>>> whether I can do this in Akka?
>>>>
>>>> Here is what I have done so far. Resizers do not work with group
>>>> routers. So I am using pool routers for this. I am
>>>> using StatsSampleSingleMasterSpec as an example of pool based cluster
>>>> aware router. I have hooked up the ReplicatedCache actor as a routee. Now I
>>>> wanted to add the resizer block and it threw me an error that resizer block
>>>> cannot be used along side cluster block. Can I do it programmatically or is
>>>> this a limitation?
>>>>
>>>> Mainak
>>>>
>>>> On Wed, Jun 7, 2017 at 6:40 AM, Patrik Nordwall <
>>>> [email protected]> wrote:
>>>>
>>>>> Note that the intention is to use the local `Replicator` so there is
>>>>> not much point in delegating the message with a router to remote node,
>>>>> unless you use nodes with different roles, such as "frontend" and 
>>>>> "backend"
>>>>> and only run distributed data on the "backend" nodes and want to send the
>>>>> messages from the "frontend" to the "backend" with the routers. That is
>>>>> probably what you are trying to do and then you must have serialization 
>>>>> for
>>>>> that message.
>>>>>
>>>>> /Patrik
>>>>>
>>>>> On Wed, Jun 7, 2017 at 1:33 PM, Akka Team <[email protected]>
>>>>> wrote:
>>>>>
>>>>>> The error message says that you have not configured serialization for
>>>>>> the message sample.distributeddata.ReplicatedCache.PutInCache
>>>>>> which something tries to send between nodes.
>>>>>>
>>>>>> --
>>>>>> Johan
>>>>>> Akka Team
>>>>>>
>>>>>> On Tue, May 30, 2017 at 10:37 PM, Mainak Ghosh <
>>>>>> [email protected]> wrote:
>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>> I am recently playing around with cluster aware routers and
>>>>>>> distributed data and I have a few questions. I extended the multi jvm 
>>>>>>> test
>>>>>>> code ReplicatedCacheSpec to create a cluster aware router which creates 
>>>>>>> a
>>>>>>> pool of ReplicatedCache worker routees. Here is the code:
>>>>>>> https://gist.github.com/mghosh4/55f96a7402960923c528ea69a103c5af
>>>>>>>
>>>>>>> When I try running this code: I get the following exception:
>>>>>>>
>>>>>>> Failed to serialize remote message [class
>>>>>>> akka.actor.ActorSelectionMessage] using serializer [class
>>>>>>> akka.remote.serialization.MessageContainerSerializer]. Transient
>>>>>>> association error (association remains live)
>>>>>>> [JVM-1]         at akka.remote.MessageSerializer$
>>>>>>> .serialize(MessageSerializer.scala:62)
>>>>>>> [JVM-1]         at akka.remote.EndpointWriter.$an
>>>>>>> onfun$serializeMessage$1(Endpoint.scala:895)
>>>>>>> [JVM-1]         at scala.util.DynamicVariable.wit
>>>>>>> hValue(DynamicVariable.scala:58)
>>>>>>> [JVM-1]         at akka.remote.EndpointWriter.ser
>>>>>>> ializeMessage(Endpoint.scala:895)
>>>>>>> [JVM-1]         at akka.remote.EndpointWriter.wri
>>>>>>> teSend(Endpoint.scala:786)
>>>>>>> [JVM-1]         at akka.remote.EndpointWriter$$an
>>>>>>> onfun$4.applyOrElse(Endpoint.scala:761)
>>>>>>> [JVM-1]         at akka.actor.Actor.aroundReceive(Actor.scala:513)
>>>>>>> [JVM-1]         at akka.actor.Actor.aroundReceive$(Actor.scala:511)
>>>>>>> [JVM-1]         at akka.remote.EndpointActor.arou
>>>>>>> ndReceive(Endpoint.scala:452)
>>>>>>> [JVM-1]         at akka.actor.ActorCell.receiveMe
>>>>>>> ssage(ActorCell.scala:519)
>>>>>>> [JVM-1]         at akka.actor.ActorCell.invoke(ActorCell.scala:488)
>>>>>>> [JVM-1]         at akka.dispatch.Mailbox.processM
>>>>>>> ailbox(Mailbox.scala:257)
>>>>>>> [JVM-1]         at akka.dispatch.Mailbox.run(Mailbox.scala:224)
>>>>>>> [JVM-1]         at akka.dispatch.Mailbox.exec(Mailbox.scala:234)
>>>>>>> [JVM-1]         at akka.dispatch.forkjoin.ForkJoi
>>>>>>> nTask.doExec(ForkJoinTask.java:260)
>>>>>>> [JVM-1]         at akka.dispatch.forkjoin.ForkJoi
>>>>>>> nPool$WorkQueue.runTask(ForkJoinPool.java:1339)
>>>>>>> [JVM-1]         at akka.dispatch.forkjoin.ForkJoi
>>>>>>> nPool.runWorker(ForkJoinPool.java:1979)
>>>>>>> [JVM-1]         at akka.dispatch.forkjoin.ForkJoi
>>>>>>> nWorkerThread.run(ForkJoinWorkerThread.java:107)
>>>>>>> [JVM-1] Caused by: java.io.NotSerializableException: No configured
>>>>>>> serialization-bindings for class [sample.distributeddata.Replic
>>>>>>> atedCache$PutInCache]
>>>>>>> [JVM-1]         at akka.serialization.Serializati
>>>>>>> on.serializerFor(Serialization.scala:235)
>>>>>>> [JVM-1]         at akka.serialization.Serializati
>>>>>>> on.findSerializerFor(Serialization.scala:211)
>>>>>>> [JVM-1]         at akka.remote.serialization.Mess
>>>>>>> ageContainerSerializer.serializeSelection(MessageContainerSe
>>>>>>> rializer.scala:35)
>>>>>>>
>>>>>>> When I change line 83 in the gist from
>>>>>>>
>>>>>>> context.actorOf(FromConfig.props(ReplicatedCache.props()), name = "
>>>>>>> replicatedCache")
>>>>>>>
>>>>>>> to
>>>>>>>
>>>>>>> context.actorOf(ReplicatedCache.props), name = "replicatedCache")
>>>>>>>
>>>>>>> this error goes away. Is there something that I do not understand?
>>>>>>>
>>>>>>> Finally, I tried adding a resizer block in the configuration. I saw
>>>>>>> an exception saying something like resizer and cluster block cannot work
>>>>>>> together. Is that a current limitation?
>>>>>>>
>>>>>>> Thanks,
>>>>>>> Mainak
>>>>>>>
>>>>>>> --
>>>>>>> >>>>>>>>>> Read the docs: http://akka.io/docs/
>>>>>>> >>>>>>>>>> Check the FAQ: http://doc.akka.io/docs/akka/c
>>>>>>> urrent/additional/faq.html
>>>>>>> >>>>>>>>>> Search the archives: https://groups.google.com/grou
>>>>>>> p/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 https://groups.google.com/group/akka-user.
>>>>>>> For more options, visit https://groups.google.com/d/optout.
>>>>>>>
>>>>>>
>>>>>> --
>>>>>> >>>>>>>>>> Read the docs: http://akka.io/docs/
>>>>>> >>>>>>>>>> Check the FAQ: http://doc.akka.io/docs/akka/c
>>>>>> urrent/additional/faq.html
>>>>>> >>>>>>>>>> Search the archives: https://groups.google.com/grou
>>>>>> p/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 https://groups.google.com/group/akka-user.
>>>>>> For more options, visit https://groups.google.com/d/optout.
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>>
>>>>> Patrik Nordwall
>>>>> Akka Tech Lead
>>>>> Lightbend <http://www.lightbend.com/> -  Reactive apps on the JVM
>>>>> Twitter: @patriknw
>>>>>
>>>>> --
>>>>> >>>>>>>>>> Read the docs: http://akka.io/docs/
>>>>> >>>>>>>>>> Check the FAQ: http://doc.akka.io/docs/akka/c
>>>>> urrent/additional/faq.html
>>>>> >>>>>>>>>> Search the archives: https://groups.google.com/grou
>>>>> p/akka-user
>>>>> ---
>>>>>
>>>> You received this message because you are subscribed to a topic in the
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>>>>> pic/akka-user/6QE7iFL3IHA/unsubscribe.
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>>>>>
>>>>
>>>>> To post to this group, send email to [email protected].
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>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Mainak Ghosh
>>>>
>>>>
>>>>
>>>> --
>>>> >>>>>>>>>> Read the docs: http://akka.io/docs/
>>>> >>>>>>>>>> Check the FAQ: http://doc.akka.io/docs/akka/c
>>>> urrent/additional/faq.html
>>>> >>>>>>>>>> Search the archives: https://groups.google.com/grou
>>>> p/akka-user
>>>> ---
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>>>>
>>> --
>>> >>>>>>>>>> Read the docs: http://akka.io/docs/
>>> >>>>>>>>>> Check the FAQ: http://doc.akka.io/docs/akka/c
>>> urrent/additional/faq.html
>>> >>>>>>>>>> Search the archives: https://groups.google.com/grou
>>> p/akka-user
>>> ---
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>>>
>>
>>
>>
>> --
>> Mainak Ghosh
>>
>>
>>
>>
>
>
> --
> Mainak Ghosh
>
>
>
> --
> >>>>>>>>>> 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
> ---
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>



-- 

Patrik Nordwall
Akka Tech Lead
Lightbend <http://www.lightbend.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
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