Wet-
Those OGR stubs do take some time and patience to do, not to mention that they vary greatly in size. Your 500 will average about 2 per day. The biggest will take a day and a half for one unit. On the other side, you may get a batch that you finish in minutes, although that hasn't happened to me yet. LOL
Don't worry about the stats though. They are based on the number of nodes, so it will all average out. Personally, I let my clients flush out every completed stub and download a replacement. I only keep about 4 in the in buffer on home machines and up to 50 on the remotes.
Welcome to the ruler calculators WetSprocket!!
viz