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How to reaload scala application after code change using actors and sbt


How to reaload scala application after code change using actors and sbt

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How to reaload scala application after code change using actors and sbt
Tag : scala , By : user158220
Date : November 26 2020, 01:01 AM


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Strange GC behaviour of Scala actors application


Tag : scala , By : Nate Bedortha
Date : March 29 2020, 07:55 AM
will be helpful for those in need Do you have any reason to expect your heap to slowly grow in size? It looks like in both traces it is growing. One thing I've done on many occasions is reduce my heap to try to make the problem worse. However, 256M is about the lower limit for Scala.
One thing I've noticed before is that if you have short-lived objects that make it out of the eden generation due to too much pressure it can gradually kill you. This can happen when there's a burst of activity (maybe you have a burst in the morning?) and your eden space isn't big enough. Scala in general and actors in particular make heavy use of small short-lived objects, and it seems there's this magic threshold that once you cross it's all down hill. So one run will be fine and the next crashes and burns.
-XX:+UseParallelGC

How do I change actors.maxPoolSize in scala from java?


Tag : java , By : Eric
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , So I have two bash scripts. One for calling the bytecode using the "scala" command, the other to call the same code using the "java" command. My problem is the following, when I use scala, I can see that I can get about 80 threads ( which I created, and shows in my "Task Manager" ) while when I use the java command, I only get about 20 threads created. instead of 80. What is the equivalent "define" option under java for actors.corePoolSize and actors.maxPoolSize? , As far as I know, you can set System Properties in your application:
System.setProperty("actors.minPoolSize" , numberOfActors)
System.setProperty("actors.maxPoolSize" , numberOfActors)
System.setProperty("actors.corePoolSize", numberOfActors)

Turning Scala Actors To Akka Actors: One Instance To Call Methods On


Tag : scala , By : user93312
Date : March 29 2020, 07:55 AM
it fixes the issue What you're doing is a terrible idea. So just stop right now, step away from the keyboard, and go to the Akka Documentation and read up on Actors.
Consider this:
class YourActor extends Actor {
  var mutableStuff = ...
  def receive = {
    case _ =>
      // mess with mutableStuff
  }
  def publicMethod = // mess with mutableStuff
}

application.conf for Scala SBT Akka Actors


Tag : scala , By : Cosmin
Date : March 29 2020, 07:55 AM
will help you It should end up on the classpath if you put it in src/main/resources/application.conf

Is it OK to use `scala.actors.Actor` object in an Android application?


Tag : android , By : Tom
Date : March 29 2020, 07:55 AM
Any of those help You shouldn't be using native scala actors, as they're deprecated. But you can run AKKA on Android. You can see this thread for more information and sample code: https://groups.google.com/forum/?fromgroups=#!topic/akka-user/1W41nAONv90
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