On Tue, Sep 26, 2023 at 2:22 AM Kui-Feng Lee <sinquersw@xxxxxxxxx> wrote: > > > > On 9/22/23 04:28, Yafang Shao wrote: > > Currently, BPF is primarily confined to cgroup2, with the exception of > > cgroup_iter, which supports cgroup1 fds. Unfortunately, this limitation > > prevents us from harnessing the full potential of BPF within cgroup1 > > environments. > > > > In our endeavor to seamlessly integrate BPF within our Kubernetes > > environment, which relies on cgroup1, we have been exploring the > > possibility of transitioning to cgroup2. While this transition is > > forward-looking, it poses challenges due to the necessity for numerous > > applications to adapt. > > > > While we acknowledge that cgroup2 represents the future, we also recognize > > that such transitions demand time and effort. As a result, we are > > considering an alternative approach. Instead of migrating to cgroup2, we > > are contemplating modifications to the BPF kernel code to ensure > > compatibility with cgroup1. These adjustments appear to be relatively > > minor, making this option more feasible. > > Do you mean giving up moving to cgroup2? Or, is it just a tentative > solution? Our transition to cgroup2 won't happen in the near future. It's a long-term job. -- Regards Yafang