An unbounded queue means you are allocating a lot of stuff during the time you want to cap end all resources handling traffic. It means you slow down when busie

An unbounded queue means you are allocating a lot of stuff during the time you want to cap end all resources handling traffic. It means you slow down when busier. Depending on the framework it often means the system can't recover automatically but will crash if the queue is in memory or need DBAs to flush the queues or whatever.