Executive Summary
This white paper documents a real-world production failure where an OpenClaw gateway went down for 18+ hours without any alert reaching the operator. We present the root cause analysis, the self-healing health check architecture we built to prevent recurrence, and recommendations for any OpenClaw deployment.
Key Findings
- A Telegram polling conflict between two gateway instances silently disabled all cron jobs for days
- The existing health check detected failures but had no effective alerting or remediation
- A self-healing health check reduced mean-time-to-recovery (MTTR) from 18+ hours to under 3 minutes
The Solution
We built a self-healing health check with three design shifts:
- Alert through channels people actually monitor – Telegram DMs instead of macOS notifications
- Detect, then fix – Auto-restart gateway, restart containers, bypass failed schedulers
- Audit at the job level – Cron job auditor that triggers missed jobs
Results
| Metric | Before | After |
|---|---|---|
| Time to recovery | 18+ hours | < 3 minutes |
| Missed cron jobs | All of them | Zero |
| Alert delivery | Silent notification | Telegram DM + audio |