The following might also be helpful:
akka.remote {
#log-remote-lifecycle-events = off
netty.tcp {
#port = 0
server-socket-worker-pool {
pool-size-min = 4
pool-size-factor = 1
pool-size-max = 8
}
client-socket-worker-pool {
pool-size-min = 4
pool-size-factor = 1
pool-size-max = 8
}
}
}
On Saturday, July 2, 2016 at 12:31:12 PM UTC+1, Guido Medina wrote:
>
> Didn't read the serialization part, must be that I need my coffee, Kryo is
> very well optimized, you don't know if is going to help until you test it.
> Kryo also also has a pool of serializers that are ready to be used and can
> be improved if you declared the classes you are serializing.
>
> On Saturday, July 2, 2016 at 12:27:28 PM UTC+1, Guido Medina wrote:
>>
>> Try the following, these values work great,
>> you can try higher but I don't think it is going to help because the most
>> of the bottleneck is because of design,
>> a problem related with how akka-remote is designed around Netty, but that
>> will change soon: https://github.com/akka/akka-meta/issues/22
>>
>> akka.remote.default-remote-dispatcher {
>> type = Dispatcher
>> executor = "fork-join-executor"
>>
>> fork-join-executor {
>> parallelism-min = 4
>> parallelism-factor = 1
>> parallelism-max = 8
>> }
>> }
>>
>> Also, what serialization are you using? Hopefully is the not default Java
>> serialization, most people use Kryo serialization.
>>
>> Non-related but could help:
>>
>> - Set Akka version to "2.3.15" (next week 2.3.16 is probably going to
>> be released)
>> - Set Netty version to "3.10.6.Final" which will be part of next
>> release.
>>
>> See https://github.com/netty/netty/issues?q=milestone%3A3.10.6.Final and
>> https://github.com/akka/akka/pull/20857
>>
>> HTH,
>>
>> Guido.
>>
>> On Saturday, July 2, 2016 at 12:14:24 AM UTC+1, Eduardo Fernandes wrote:
>>>
>>> Hi.
>>>
>>> I'm using Akka 2.3.13, Java edition.
>>>
>>> I'm making some performance tests and in the same machine with 8 cores I
>>> see that the serialization process is my bottleneck. I know that because
>>> after an increment of actor cpu usage the throughput is exactly the same.
>>>
>>> My actor system talks to 2 other nodes so I see 2 cores dedicated to
>>> serialization. Is is possible to increase the number of threads for
>>> serialization?
>>>
>>> I'm using standard Java serialization but I have my own serialization
>>> implementation in my write/readObject methods so I think that switching to
>>> kryo or similar will not enhance too much the throughput.
>>>
>>> Many thanks for your help.
>>>
>>> /Eduardo
>>>
>>>
--
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>>>>>>>>>> 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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