1. A method for execution by a dispersed storage and task (DST) execution unit that includes a processor, the method comprises: generating low-load prediction data based on a plurality of historical load samplings, wherein generating the low-load prediction data includes selecting a time period corresponding to a predicted low-load; generating maintenance task scheduling data based on the low-load prediction data, wherein generating the maintenance task scheduling data includes assigning a maintenance task to a scheduled time that is within the time period corresponding to the predicted low-load; and executing the maintenance task at the scheduled time.