On Mon, Sep 12, 2022 at 11:53:14AM +0900, Michael Paquier wrote: > On Mon, Sep 12, 2022 at 02:34:48PM +1200, Thomas Munro wrote: > > On Mon, Sep 12, 2022 at 2:27 PM Justin Pryzby <pry...@telsasoft.com> wrote: > >> Yeah ... I just realized that I've already forgotten the relevant > >> chronology. > >> > >> The io_concurrency bugfix wasn't included in 15b4, so (if I understood > >> you correctly), that might explain these symptoms - right ? > > > > Yeah. > > Could you double-check if the issues you are seeing persist after > syncing up with the latest point of REL_15_STABLE? For now, I have > added an open item just to be on the safe side.
After another round of restore-from-backup, and sqlsmith-with-kill-9, it looks to be okay. The issue was evidently another possible symptom of the recovery prefetch bug, which is already fixed in REL_15_STABLE (but not in pg15b4). -- Justin
