Hi, On 2022-12-07 14:12:37 +1300, Thomas Munro wrote: > On Wed, Dec 7, 2022 at 12:12 PM Andres Freund <and...@anarazel.de> wrote: > > On 2022-12-07 00:58:06 +1300, Thomas Munro wrote: > > > One way to fix that for the epoll version is to EPOLL_CTL_DEL and > > > EPOLL_CTL_ADD, whenever transitioning to/from a zero event mask. > > > Tried like that in this version. Another approach would be to > > > (finally) write DeleteWaitEvent() to do the same thing at a higher > > > level... seems overkill for this. > > > > What about just recreating the WES during crash restart? > > It seems a bit like cheating but yeah that's a super simple solution, > and removes one patch from the stack. Done like that in this version.
I somewhat wish we'd do that more aggressively during crash-restart, rather than the opposite. Mostly around shared memory contents though, so perhaps that's not that comparable... Greetings, Andres Freund
