scala Akka 调度程序的默认配置值是什么?
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What are the default Akka dispatcher configuration values?
提问by Tsume
In the Akka documentation it states that if a dispatcher is not configured a default dispatcher will be used. What are the properties of the default dispatcher i.e parallelism-min, parallelism-factor, parallelism-max etc. ?
在 Akka 文档中,它指出如果未配置调度程序,将使用默认调度程序。默认调度程序的属性是什么,即 parallelism-min、parallelism-factor、parallelism-max 等?
回答by Rodrigo Sasaki
By default the dispatcher provided by Akkais one with a fork-join-executor, and the default parallelism values are these:
默认情况下,提供的调度程序Akka是一个带有 a的调度程序fork-join-executor,默认并行值是这些:
- parallelism-min:8
- parallelism-factor:3.0
- parallelism-max:64
- 并行度最小:8
- 并行因子:3.0
- 最大并行度:64
You can see all of this in the documentation.
您可以在文档中看到所有这些。
There is a section named: Listing of the Reference Configuration
有一个部分名为:参考配置列表
Here is the relevant part of the configuration file (I only removed the comments):
下面是配置文件的相关部分(我只去掉了注释):
default-dispatcher {
type = "Dispatcher"
executor = "fork-join-executor"
fork-join-executor {
parallelism-min = 8
parallelism-factor = 3.0
parallelism-max = 64
}
thread-pool-executor {
keep-alive-time = 60s
core-pool-size-min = 8
core-pool-size-factor = 3.0
core-pool-size-max = 64
max-pool-size-min = 8
max-pool-size-factor = 3.0
max-pool-size-max = 64
task-queue-size = -1
task-queue-type = "linked"
allow-core-timeout = on
}
}

