ExecutionContextExecutor“scala.concurrent.ExecutionContext.Implicits.global"的监控队列 [英] Monitoring queue of ExecutionContextExecutor "scala.concurrent.ExecutionContext.Implicits.global"

问题描述

有没有办法监控scala.concurrent.ExecutionContext.Implicits.global的任务队列?即，查看等待线程释放的任务数?

解决方案

JDK 与 jconsole 和 jmc 一起提供.您可以使用它们来查看线程使用情况.你可以看到，

• 线程状态，
• 阻止计数
• 线程分配的字节等

scala 隐式线程名称以 scala-execution-context-global-n 开头.

jmc 截图:

相关:在执行上下文中获取后台运行的期货数量的最佳方法是什么?>

Is there any way to monitor the task queue of scala.concurrent.ExecutionContext.Implicits.global? ie., see the number of tasks waiting for a thread to be released?

解决方案

JDK comes along with jconsole and jmc. You can use them to see thread usage. You can see,

• Thread state,
• blocked count
• thread allocated bytes etc

scala implicit threads name start with scala-execution-context-global-n.

jmc screenshot:

Related: what is the best way to get the number of futures running in background in an execution context?

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