On Sun, Nov 06, 2022 at 02:04:29PM +0700, John Naylor wrote: > On Thu, Nov 3, 2022 at 8:11 AM Thomas Munro <thomas.mu...@gmail.com> wrote: > > > > I wonder if the problem here is that people are reluctant to add noise > > to every starting system. There are people who have not configured > > their system and don't want to see that noise, and then some people > > have configured their system and would like to know about it if it > > doesn't work so they can be aware of that, but don't want to use "off" > > because they don't want a hard failure. Would it be better if there > > were a new level "try_log" (or something), which only logs a message > > if it tries and fails? > > I think the best thing to do is change huge_pages='on' to log a WARNING and > fallback to regular pages if the mapping fails. That way, both dev and prod > can keep the same settings, since 'on' will have both visibility and > robustness. I don't see a good reason to refuse to start -- seems like an > anti-pattern.
I'm glad to see there's still discussion on this topic :) Another idea is to add a RUNTIME_COMPUTED GUC to *display* the state of huge pages, so I can stop parsing /proc/maps to find it. -- Justin
