- 
    Type:Bug Report 
- 
    Resolution: Fixed
- 
    Priority:L3 - Default 
- 
    Affects Version/s: None
- 
    Component/s: spring-boot
- 
    None
That means the queue size is Integer.MAX_VALUE by default. This has two effects:
- Jobs will always immediately be acquired, regardless how full the queue already is
- The thread pool will never grow beyond core pool size, because that only happens when the queue is full