"Queuing" is distinct from the resource management component. If you don't have something like cpusets, processes on shared nodes can indeed hog CPU. There are

"Queuing" is distinct from the resource management component. If you don't have something like cpusets, processes on shared nodes can indeed hog CPU. There are worse issues with shared resources, like flattening the parallel filesystem, which is one of the things which is at least difficult to manage.