GuidesMonitoring
Monitoring
Monitor your MQTT connections, sessions, and troubleshoot issues.
CloudSignal gives you visibility into your MQTT infrastructure. Use this section when you need to verify clients are connected, diagnose connection failures, or watch usage against your plan.
Dashboard overview
The monitoring features in CloudSignal help you:
| Goal | Where to look |
|---|---|
| See what's connected | Active sessions view |
| Understand patterns | Session history |
| Debug issues | Disconnect reasons + troubleshooting guide |
| Track usage | Plan limits dashboard |
Key metrics
| Metric | Description |
|---|---|
| Active sessions | Currently connected MQTT clients |
| Connection history | Past connections and disconnections |
| Messages | Publish and subscribe activity |
| Errors | Authentication failures, ACL denials |
Guides
Active sessions
View and manage currently connected MQTT clients
Session history
Review past connections and analyze patterns
Troubleshooting
Diagnose and fix common connection issues
Quick health check
To quickly verify your system:
- Check active sessions, go to Sessions then Active in the dashboard
- Verify expected clients, confirm your services and apps are connected
- Review recent errors, check for authentication or ACL failures
- Test a connection, use MQTTX to verify credentials work
Monitoring best practices
Set up alerts
Configure notifications for:
- Connection count dropping below expected minimum
- Unusual error rates
- Approaching plan limits
Regular reviews
Weekly checks:
- Review session patterns for anomalies
- Check for stuck or zombie sessions
- Verify expected clients are reporting
Document expected state
Keep a record of:
- How many clients should be connected
- Typical connection patterns (for example, batch jobs reconnect at midnight)
- Expected error rates (some failed attempts may be normal)
Start with Active sessions to see your current connections.