<@U0A97FVU2>: I think you're after a Semaphore (<h...

# announcements

[andrewoma]

@mplatvoet: I think you're after a Semaphore (http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Semaphore.html). I agree with @cedric that a fixed pool with a queue would be a common solution.