On Thu, Apr 25, 2024 at 02:53:33PM +0200, Majid Garoosi wrote: > Unfortunately, I quit that company a month ago (I wish we could > discuss this earlier) and don't have access to the environment > anymore. > I'll try to ask my teammates and see if they can find anything about > the exact values of latency, bw, etc. > > Anyway, here is some description of the environment. Sadly, there > are no numbers in this description, but I'll try to provide as much details > as possible. > There is a k8s cluster running over some VMs. Each postgres > instance runs as a pod inside the k8s cluster. So, both the > primary and standby servers are in the same DC, but might be on > different baremetal nodes. There is an overlay network for the pods to > see each other, and there's also another overlay network for the VMs > to see each other. > The storage servers are in the same DC, but we're sure they're on some > racks other than the postgres pods. They run Ceph [1] project and provide > Rados Block Devices (RBD) [2] interface. In order for k8s to use ceph, a > Ceph-CSI [3] controller is running inside the k8s cluster. > BTW, the FS type is ext4.
Okay, seeing the feedback for this patch and Andres disagreeing with it as being a good idea, I have marked the patch as rejected as it was still in the CF app. -- Michael
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