SRE On-call Runbook：故障排查与应急响应指南

为SRE on-call工程师提供全面的运行手册，涵盖常见系统问题、详细故障排除步骤、明确的升级流程及关键监控指标，确保高效响应与问题解决。 Draft a comprehensive runbook for on-call engineers handling [service/system]. Include: common issues, troubleshooting steps, escalation procedures, and key metrics to monitor. runbook, on-call, 故障排除, SRE, 系统运维