Re: [kubernetes-users] Share the IPC namespace between pods

Rodrigo you are correct, that results in a co-location hell. Also that requires careful calculations ahead of time to ensure that you can co-locate the corresponding data partitions (in case of a 1:N, where we have a high-demand database) at all times. Even in case of node failures. Moreover if

Re: [kubernetes-users] Share the IPC namespace between pods

On Thu, Nov 9, 2017 at 2:27 AM, wrote: > We measured that we lose at least one order of magnitude in terms of latency, > which is our key KPI in this setup. If you are moving from a model where your apps were guaranteed to be colocated into Kubernetes, you are going to

Re: [kubernetes-users] Share the IPC namespace between pods

We measured that we lose at least one order of magnitude in terms of latency, which is our key KPI in this setup. Pods are not always on the same host, but we play with co-location a lot. 1:1 mainly. Matthias, Tim, I will get back to you with a decent benchmark on our metals. Thanks so far for

Re: [kubernetes-users] Share the IPC namespace between pods

Are you concerned about perf because you measured it? Or because you suspect it might become a thing later? Are you really sure that your pods will ALWAYS be on the same host? Are your pods 1:1 or 1:N relationships? Could these highly-connected pods just be one bigger pod? To be sure, there's

Re: [kubernetes-users] Share the IPC namespace between pods

How big is the overhead from going through the bridge normally? On Wed, Nov 8, 2017, 19:08 wrote: > Thanks Tim, > > Do you know of any technique(s) to speed up the network between pods > (probably co-located onto the same machine)? Shared memory communication > seems to

Re: [kubernetes-users] Share the IPC namespace between pods

Thanks Tim, Do you know of any technique(s) to speed up the network between pods (probably co-located onto the same machine)? Shared memory communication seems to be a good candidate within pods. On Wednesday, November 8, 2017 at 6:42:39 PM UTC+1, Tim Hockin wrote: > Pods should make very few

[kubernetes-users] Share the IPC namespace between pods

Currently it is possible to share (shared memory) IPC namespace within pods, but not possible to share between pods. Is this something that will be supported in the future? Or goes against the very design of Kubernetes? What is the general opinion of the Community on this? Thanks, Z -- You