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@binsquare basically brute-force trimmed down unnecessary linux kernel modules, tried to get the vm started with just bare minimum. There are more rooms for improvement for sure. We will keep trying!
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With this approach I managed to get to sub-10ms start (to pid1), if you can accept a few constraints there's plenty of room!

Though my version was only tested on Linux hosts

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would be interested to see how you do it, how can I connect with you - emotionally?
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Start with booze; always works :)
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nice! for most local workloads, it is actually sufficient. so, do you ship a complete disk snapshot of the machines?
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Yes. files on the disks are kept across stop and restart. We also have a pack command to compress the machine as a single file so that it can shipped and rehydrated elsewhere
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