On Fri, Sep 05, 2003 at 07:58:04AM -0400, Rik van Riel wrote: > On Fri, 5 Sep 2003, Herbert Poetzl wrote: > > > here is a preliminary patch to allow Per Context > > Virtual Memory Limits for ctx17a ... > > Looks exactly like the non-overcommit AS accounting in the > -ac kernel, so I guess it's correct. The only thing I can't > verify this early in the morning is whether all the required > changes have been changed ... though it certainly looks right > to me.
thanks for taking the time, and checking the patch, I really appreciate it ... > > I'm not sure if virtual memory limits really are > > a GoodThing(tm) but without trying it, nobody will > > know ... > > It means you can configure your system to not run out of > memory+swap ever, in essence making it impossible for any > vserver to DoS the others. > > Definately a good thing. > > Now we just want per-vserver RSS limits too ;) > (but those are in CKRM and we can probably wait until 2.6) a simple version of rss limits should not be too hard (hear that murphy?), but it will have to wait till next week ... best, Herbert > regards, > > Rik > -- > "Debugging is twice as hard as writing the code in the first place. > Therefore, if you write the code as cleverly as possible, you are, > by definition, not smart enough to debug it." - Brian W. Kernighan
