> Team,
>
> I working on an app using akka persistence,akka remoting,akka sharding. We
> are taking DDD/CQRS approach.
>
> Below is the app configuration,
>
> akka {
> loglevel = INFO
>
> actor {
> provider = "akka.cluster.ClusterActorRefProvider"
> }
>
> remote {
> log-remote-lifecycle-events = off
> netty.tcp {
> hostname = "127.0.0.1"
> port = 9088
> }
> }
>
> cluster {
> seed-nodes = [
> "akka.tcp://[email protected]:9088"
> ]
> auto-down-unreachable-after = 20s
> }
>
> persistence {
> journal.plugin = "cassandra-journal"
>
> }
> }
>
> We are creating one actor system for entire app. Correct me if I am wrong,
> the
> default dispatcher by default uses a fork-join thread pool with at least 8
> threads.
>
> We need to support millions of requests from client. How to tune
> dispatcher of actor system when using akka persistence/sharding/clustering,
>
> 1. What is Recommended Type of Dispatcher
> 2. How to calculate threads per thread pool
> 3. Do we need to consider cores?
> 4. Do we need to consider type of OS
> 5. Will JVM configuration matter
>
> [Note:] Suggest any missed parameter in above list. Also how to specify
> custom dispatcher configuration in app conf.
>
> Basically want to understand criteria's to decide performing dispatcher
> per actor system.
>
> Is there any other configuration required to tune akka
> persistence/cluster/shard kind of application for good performance.
>
> Also recommendations for tuning akka persistence/cluster/shard kind of
> application would be great help.
>
> -Prakhyat M M
>
>
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