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#firecracker

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To those who believe #Firecracker is a good idea for running #containers in another protective layer, should just migrate to #QEMU #microvms on #SmartOS, which will protect the #VM within a container.

Hey
@dexter@bsd.network, when will #bhyve support microvms (https://www.qemu.org/docs/master/system/i386/microvm.html) ? I am curious to see if @cperciva@mastodon.social 's #FreeBSD kernel work allowing it to boot in ~20ms, works over there, and gets carried over into #OmniOS.

www.qemu.org‘microvm’ virtual platform (microvm) — QEMU documentation

I was inspired by jvns.ca/blog/2021/01/23/firecr and wanted to try out making a #firecracker #vm from a Dockerfile myself. Got it all up and running. But, as you'd expected from a hobby project, it's lacking a lot of polish. So I took a step back and started thinking if I could maybe opt for using BSD #jails instead? Any tips for how to get started with #jails as a long time Docker user?

Julia EvansFirecracker: start a VM in less than a secondFirecracker: start a VM in less than a second

Very interesting read from the #CodeSandbox blog

How we clone a running #VM in 2 seconds (September 2022)

codesandbox.io/blog/how-we-clo

Amongst others, they are using #Firecracker and memory snapshots with Copy-On-Write to achieve this level of #performance

Very interesting and it clearly shows that even very complicated things that require a lot of heavy lifting can be made _blazingly fast_!

There is no excuse for software being slow! Make it #fast!

CodeSandboxHow we clone a running VM in 2 secondsOr... how to clone a running Minecraft server