----- Original Message ----- > On Thu, May 20, 2010 at 02:01:04PM +0100, --[ UxBoD ]-- wrote: > > Hello all, > > > > Slowly getting to grips with VServer though have a question over > > resource sharing. We have a server with 8 CPUs and 32GB RAM; and 20 > > contexts running. The nature of each context is a virtual desktop > > and recently have experienced a problem where one context has > > consumed a > > high amount of CPU and memory. > > > I have read the documentation on context rlimits though am a little > > confused on how best to set the fill and interval rates. My aim is > > not to impede our desktops, and allow bursting when required, but I > > wish to stop runaway processes from bringing down the other > > contexts. > > > The initial thoughts are that we should set each context to > > sched_prio > > and for the limits use: > > > fill-rate : 3 > > interval : 10 > > max-tokens : 5000 > > min-tokens : 1000 > > > How do you these values sound ? > > sound good to me, what kernel/patch do you use? > > > I see how the values are updated in /proc/virtual/<CTX>/sched though > > is there any easy way to keep a running track of how many tokens are > > being consumed by each context ? > > not really, although the number of tokens currently > in the bucket is shown too, so it is possible to > calculate that (to some extend) > > HTH, > Herbert > > > Looking forward to any responses. > > -- Thanks, Phil Hello Herbert, Thank you for your response. I am running 2.6.28.7-vs2.3.0.36.7 though plan to update too a 2.6.32 kernel in the near future. Looking at the vsched command it also has options for: --fill-rate2 <fill-rate2> --interval2 <interval2> how are these used as I was unable to find an example ? -- Thanks, Phil