On Tue, Nov 30, 2004 at 09:13:03AM +1100, Peter Chubb scribbled: > >>>>> "Jeff" == Jeff Dike writes: > > Jeff> grendel@caudium.net said: > >> I would appreciate any pointers to the userland solutions for that > >> problem (if any exist) before I resort to Xen/UML. > > Jeff> UML would be exactly what you're looking for. > > Jeff> Jeff > > apart from the performance hit :-( that's the problem... > > There have been a number of different approaches proposed in the past > to limit real memory usage per-process; search for RSS limit in the > archives. per-process isn't enough. I specifically need something to limit the memory usage on a more global scale - per user ID or per process group or a similar way of grouping related processes. That's the only way to tame processes like apache. At this point the option I'm considering is Xen, unless I can find a userland solution to the problem... regards, marek