Thank you, Cong. That will be very helpful.

-Lari

On 2023/04/27 04:55:24 Cong Zhao wrote:
> Hi Lari Hotar,
> 
> I would like to pick up this work, I will update 
> https://github.com/apache/pulsar/pull/16832 as soon.
> 
> Thanks,
> Cong Zhao
> 
> On 2023/04/26 15:17:37 Lari Hotari wrote:
> > Hi all,
> > 
> > Pulsar doesn't support cgroup v2 which becomes default in Kubernetes v1.25+.
> > Kubernetes announcement:
> > https://kubernetes.io/blog/2022/08/31/cgroupv2-ga-1-25/ .
> > Pulsar issue: https://github.com/apache/pulsar/issues/16601
> > 
> > The impact of this is that the Pulsar load balancer won't have correct
> > CPU and memory information for making load balancing decisions.
> > 
> > The cloud provider managed Kubernetes services have already switched
> > to cgroup v2 as the default. This happened in AKS v1.25, GKE v1.26 and
> > in EKS v1.26.
> > For GKE, it's possible to keep using cgroup v1 also in GKE v1.26
> > (https://cloud.google.com/kubernetes-engine/docs/how-to/node-system-config#cgroup-mode-options).
> > For AKS and EKS, it's unknown whether such a configuration option
> > exists.
> > 
> > There's a previous attempt in this PR to add cgroup v2 support to
> > Pulsar: https://github.com/apache/pulsar/pull/16832 . Would it be
> > possible to continue the work for supporting cgroup v2 in Pulsar
> > either with the existing PR or a new one?
> > 
> > Who would like to pick up this work?
> > This is urgent since cgroup v2 is enabled by default for all latest
> > managed Kubernetes services (AKS v1.25, GKE v1.26 and EKS v1.26).
> > 
> > Regards,
> > 
> > -Lari
> > 
> 

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