I really don't see why you've chosen to link to that github issue multiple times in this thread. The discussion in that issue doesn't convincingly demonstrate a

I really don't see why you've chosen to link to that github issue multiple times in this thread. The discussion in that issue doesn't convincingly demonstrate anything except that some people are trying to be unnecessarily combative about io_uring. We don't need to be dragging that attitude into HN threads. If you want to talk about some real performance problems with io_uring, find a way to do so without that baggage.