On Fri 05-07-19 15:05:30, Yafang Shao wrote:
> We always deploy many containers on one host. Some of these containers
> are with high priority, while others are with low priority.
> memory.{min, low} is useful to help us protect page cache of a specified
> container to gain better performance.
> But currently it is only supported in cgroup v2.
> To support it in cgroup v1, we only need to make small changes, as the
> facility is already exist.
> This patch exposed two files to user in cgroup v1, which are memory.min
> and memory.low. The usage to set these two files is same with cgroup v2.
> Both hierarchical and non-hierarchical mode are supported.
Cgroup v1 API is considered frozen with new features added only to v2.
Why cannot you move over to v2 and have to stick with v1?
--
Michal Hocko
SUSE Labs
