08db3580a7
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根因 1: cadvisor 持續掃描 overlay2 磁碟用量 (每次 1-4s × N 容器) → 加 --disable_metrics=disk,diskIO,tcp,udp,percpu,sched,process → --housekeeping_interval=30s --docker_only=true → CPU 從 239% 降到 <1% 根因 2: node_exporter scrape_timeout 預設 10s，高 load 下超時→broken pipe→瘋狂重試 → 加 scrape_interval: 30s / scrape_timeout: 25s → CPU 從 48% 降到 0% 整體 load average: 20 → 9 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>