On Thu, Apr 26, 2018 at 10:21:27AM +0300, Slawa Olhovchenkov wrote: > > > Pollers distinct from frontend? > > > Can I bind pollers to CPU? > > > > Each thread has its own poller. Since you map threads to CPUs you indeed > > have one poller per CPU. > > Each pooler pool all sockets or only sockets from binded frontends?
All sockets. All FDs in fact. This is normal, it's an event loop, it needs to be notified of *any* event (fd activity, signal). > > Please try this patch. It works for me. I finally managed to reproduce > > the issue even with epoll(), it's just that it's much harder to see it, > > but after trying multiple times eventually you see it as well. Under > > poll() however the issue occasionally happens and disappears by itself. > > Like work for me too, thank Great, thank you. You can use it for now to fix your production, it will likely be the one we'll use in 1.8 in the end. We're still working on addressing the root cause in 1.9 first. Willy

