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Checkpoint/restore is supported by runc and there were demos of live migrating Docker containers several years ago. A better question is why Kubernetes isn't wo
by cyphar 4y ago
Checkpoint/restore is supported by runc and there were demos of live migrating Docker containers several years ago. A better question is why Kubernetes isn't working on integrating it (though I suspect there's a KEP for it somewhere).
- dinvlad 4y agoCould you share a link please? I've only seen similar demos of a Doom game migration on LXD (I believe). EDIT: very interesting, thanks TIL! Here's at least someone from RH playing with it in the context of K8s: https://youtu.be/DDJxqV98b4U?t=1932 https://youtu.be/DDJxqV98b4U?t=1932 EDIT2: and apparently, at least its minimal implementation has been merged: https://github.com/kubernetes/kubernetes/pull/104907 https://github.com/kubernetes/kubernetes/pull/104907
- cyphar 4y agoAdrian is one of the CRIU folks and has been working on integrating CRIU and containers for a while.