开启 vmcache 需要 initrd 类型的image
修改 kata 的配置文件
# vi /opt/kata/share/defaults/kata-containers/configuration.toml
[hypervisor.qemu]
path = "/opt/kata/bin/qemu-system-x86_64"
kernel = "/opt/kata/share/kata-containers/vmlinuz.container"
#image = "/opt/kata/share/kata-containers/kata-containers.img"
initrd = "/opt/kata/share/kata-containers/kata-containers-initrd.img"
[factory]
enable_template = true
shared_fs = virtio-9p # vmcache 暂时不支持 vitio-fs
vm_cache_number = 3 # 这里是 vm cache 的大小宿主机运行
kata-runtime factory init # 初始化
kata-runtime factory status # 查看状态
kata-runtime factory destroy # 删除 vm 池注意：vmcache 暂时不支持 virtio-fs，见社区文档,