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记录 LXC guest 内存共享要求
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panxiao81
2026-09-16 17:42:52 +00:00
parent 401c1f9a00
commit c4aa6ee0af
2 changed files with 4 additions and 1 deletions
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README.md
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@@ -58,6 +58,9 @@ pytest
- guest runner 使用 `--ephemeral`，每台 VM 只执行一个 job。 - guest runner 使用 `--ephemeral`，每台 VM 只执行一个 job。
- launcher 只接受 UUID instance ID 和 URL-safe nonce，所有临时文件都位于独立目录。 - launcher 只接受 UUID instance ID 和 URL-safe nonce，所有临时文件都位于独立目录。
- base image 不得包含 runner identity、registration token、SSH 密码或 host key。 - base image 不得包含 runner identity、registration token、SSH 密码或 host key。
- LXC 内运行 Cloud Hypervisor 必须为 guest memory 启用 `shared=on`。默认的 private
memfd 映射会在 guest 写入后同时产生 shmem 与 anonymous CoW charge，使 LXC cgroup
对 guest RAM 接近双倍计费。
homelab 的 Kubernetes、OpenBao、LXC、bridge 和容量配置保留在 homelab 的 Kubernetes、OpenBao、LXC、bridge 和容量配置保留在
`panxiao81/homelab-infra`。 `panxiao81/homelab-infra`。
scripts/microvm-runner-launch
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@@ -19,7 +19,7 @@ bridge=${RUNNER_BRIDGE:-mvrbr0}
cloud_hypervisor=${CLOUD_HYPERVISOR:-/usr/local/bin/cloud-hypervisor} cloud_hypervisor=${CLOUD_HYPERVISOR:-/usr/local/bin/cloud-hypervisor}
vm_timeout=${RUNNER_VM_TIMEOUT:-3h} vm_timeout=${RUNNER_VM_TIMEOUT:-3h}
cpus=${RUNNER_VM_CPUS:-4} cpus=${RUNNER_VM_CPUS:-4}
memory=${RUNNER_VM_MEMORY:-2G} memory=${RUNNER_VM_MEMORY:-3G}
gitea_instance=${GITEA_INSTANCE:-https://git.ddupan.top} gitea_instance=${GITEA_INSTANCE:-https://git.ddupan.top}
runner_labels=${RUNNER_LABELS:-self-hosted:host,vm:host} runner_labels=${RUNNER_LABELS:-self-hosted:host,vm:host}
token_url=${RUNNER_TOKEN_URL:-http://172.30.0.1:8787} token_url=${RUNNER_TOKEN_URL:-http://172.30.0.1:8787}