On: We replaced Firecracker with QEMU

[alexeldeib]

These blogs are wonderful. I'd read them before figuring out firecracker snapshot/restore, but wanted to say it here.

> i/o speed we use io_uring

custom io_uring based driver for the VM block devices? or what do you mean here?

[CompuIves → alexeldeib]

Thank you!

> custom io_uring based driver for the VM block devices? or what do you mean here?

We're using the async io backend that's shipped with Firecracker for our scratch disks.