Katakate: Dozens of VMs per node for safe code exec: K8s+Kata+Firecracker

Re:Katakate: Dozens of VMs per node for safe code exec: K8s+... by gbxk on Tuesday October 21, 2025 @01:19PM (#45658498)

(sorry I didn't reply in-thread, I'm new to HN, re-posting response here:)

Exactly! The main local requirement is to have hardware virtualization available (e.g. /dev/kvm) but that should be fine on your local linux machine. Won't work in cloud machines or on Mac ARM in current form but maybe if I extend

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Re:Katakate: Dozens of VMs per node for safe code exec: K8s+... by ofrzeta on Tuesday October 21, 2025 @01:21PM (#45658539)

There are some providers that offer KVM nested virtualization, I think Google Cloud, Digital Ocean ... any others?

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Re:Katakate: Dozens of VMs per node for safe code exec: K8s+... by gbxk on Tuesday October 21, 2025 @01:27PM (#45658639)

True! GCP does. I haven't tested it yet. I didn't know D.O does. If anyone knows others, I'm interested too!

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Re:Katakate: Dozens of VMs per node for safe code exec: K8s+... by eyberg on Tuesday October 21, 2025 @05:23PM (#45661910)

We (NanoVMs) can run (both unikernel and normal linux) virtualized workloads on plain old ec2 instances (eg: t2.small).

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Re:Katakate: Dozens of VMs per node for safe code exec: K8s+... by gbxk on Wednesday October 22, 2025 @05:20AM (#45666616)

Interesting, thanks for sharing!

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