This script generates a heavy load of storing dicom data, the same image is sent over an over again with modified UIDs to make it look as a new image, with a new series per 100 images and a new study per 1000 images:
Call e.g. from a windows command prompt as:
where the value p you pass must be unique for each client that you start at the same time (as many as you like). My fast PC (mysql database) stores about 100 512^2 images per second and seems to limited mostly by disk speed.
ForwardAssociationLevel = SERIES
to dicom.ini to use one association per generated series of 100 images.