dde91606_Chapter_5__Advanced_Concepts__Description
[Name] queue_enabled [Description] 
Whether of not to use a (bounded) queue. If enabled, when all minimum threads are busy, work items are added to the queue. When the queue is full, additional threads are created, up to max_threads. When max_threads have been reached (and the queue is full), the rejection policy is consulted.
Chapter 5. Advanced Concepts
Description