On Fri, Mar 31, 2023 at 06:24:09PM +1100, Michael Chapman wrote: > On Fri, 31 Mar 2023, Barry wrote: > [...] > > If you want to run in ram only then you must turn off the kernel overcommit. > > Have you done that? If not then you risk processes getting SEGV signals. > > Seriously. It's almost as if nobody here is actually reading anything of > what I've written! > > EVERYTHING fits in RAM. The non-guest processes total perhaps a GB in > total. The guest processes total maybe 200 GB in total. The server has > more RAM than all of that.
Your situation seems to be special. People in this thread seem to be focused on generic Linux computer use-case. > I know this works because I have literally done it on many, many > hypervisors for over a decade. On the other hand, kernel 4.0, which greatly changed how swap works*, was released half a decade ago. Maybe it's time to revisit assumptions? * according to Chris Down's blog note linked by Lennart at the beginning of the thread. -- Tomasz Torcz 72->| 80->| to...@pipebreaker.pl 72->| 80->|
