For about the last 10-ish days there was an aufs bug in the latest supported kernels that caused zombie processes to pile up and chew up CPU. I don't know how

For about the last 10-ish days there was an aufs bug in the latest supported kernels that caused zombie processes to pile up and chew up CPU. I don't know how much I can say publicly, but the tl;dr is that it really sucked for my ops and support colleagues.