I am a newbie to akka, so please excuse me if this sounds like a dumb
question.
I am trying to understand akka's default dispatcher configuration with
fork-join-pool executor.
I have 8 core cpu and this is my dispatcher configuration,
akka.actor.default-dispatcher {
fork-join-executor {
parallelism-factor = 4.0
parallelism-min = 4
parallelism-max = 64
}
}
My understanding is the with the above configuration is,
base-no of threads that will be created = (8 * 4.0) ~ 32 threads
min-no of threads to keep alive = 4 threads
max-no of threads that can ever be created = 64 threads
Is this correct ?
I am finding contradicting informations the net like the max-no of threads
that can be created will be (parallelism-max * factor) ~ (64 * 4.0) = 256
threads.
Could someone please explain what does parallelism-max and parallelism-min
numbers mean ?
Also on the startup, will the base-no of threads or min-no of threads be
created ?
Thanks in advance.
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