I've always found the multi-process approach taken by both nginx and apache to be nothing but a hindrance when you have to write a custom module. It means that

I've always found the multi-process approach taken by both nginx and apache to be nothing but a hindrance when you have to write a custom module. It means that you may have to use shared memory, which is a PITA. I don't know why they haven't moved on from it; it only really made sense when uni-core processors were the norm.