Dave Hansen wrote: > On Tue, 2008-09-09 at 17:38 +0200, Andrea Righi wrote: >> It allows to control how much dirty file pages a cgroup can have at any >> given time. This feature is supposed to be strictly connected to a >> generic cgroup IO controller (see below). > > So, this functions similarly to our global dirty ratio? Is it just > intended to keep a cgroup from wedging itself too hard with too many > dirty pages, just like the global ratio? > > -- Dave Correct, it's the same functionality provided by vm.dirty_ratio and vm.dirty_background_ratio, except that is intended to be per-cgroup. Without this functionality, a cgroup can even dirty all its memory, allocated by the memory controller, since statistics and writeback configurations are global. -Andrea _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
