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What does the vm abstraction buy you vs processes? If one entity "owns" all the servers what is the draw in seperating the servers out in their own VM?
by dman 13y ago
What does the vm abstraction buy you vs processes? If one entity "owns" all the servers what is the draw in seperating the servers out in their own VM?
- mateuszf 13y agoHigh speed, low memory consumption with proper snapshots/separation.
- derefr 13y agoYou don't have to think of them as VMs, that's just a simplification for the sake of the conversation. They're resource-isolated process groups. It's exactly the same idea as the original Unix-paradigm security approach of making each service run under a separate system-uid, but with a much more complete isolation.