feat(aliyun): ECI 冷启动测试 + 结果 (agent-runtime cn 候选)#1
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对标 AWS 侧 task-startup 测法。ECI 冷启 busybox N=8: p50 3.3s / p95 29s, ~1/4 概率 29s 尾巴(纯 provisioning, ImageCache 救不了), 消尾巴靠预热在跑的 ECI 池。 阿里云 NAS 无 EFS AP 约束, 预热权限设计比 AWS 省一步。关联 optima-terraform#84。 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
ECI 挂 cn-prod 共享 NAS(用户无关, server+path)成功; 容器内 user-init 500次 avg ~40ms (3 次 38-42ms, ≈AWS EFS 33ms); 冷启双峰 ~3s/~30s(挂NAS不增开销)。 证明共享NAS+预热复用路径在阿里云成立, 支撑方案A。关联 optima-terraform#84。 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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在阿里云 ECI 上对标 AWS 侧 warm-pool/startup 测试。
结果(busybox N=8): ECI 冷启 p50 3.3s / p95 29s —— 平时近秒级,~1/4 概率 29s 尾巴(纯 provisioning,ImageCache 救不了)。消尾巴靠预热在跑的 ECI 池。
权限: 阿里云 NAS 无 EFS AP 同款约束,预热用户无关 ECI 比 AWS 省一步(无 per-user AP 要拆)。
脚本
scripts/test-eci-cold-start.py+ 文档docs/aliyun-eci-cold-start-results.md。决策见 optima-terraform#84 / design-agent-runtime-warmpool.md。TODO: 真实大镜像 + ImageCache 对比、预热复用分配延迟实测。