System Reference
System reference for monitoring, observability, and system management.
Overview
The NATS Server provides comprehensive interfaces for:
- Real-time event notifications via advisories
- Performance monitoring through metrics
- HTTP endpoints for health checks and statistics
- Detailed error reporting for troubleshooting
Categories
Advisory
System event notifications:
- Client connection and disconnection events
- Account limit warnings
- Cluster state changes
- Authentication events
Metrics
Performance and telemetry data:
- Resource utilization metrics
- Throughput measurements
Monitoring
HTTP monitoring endpoints:
- Health check endpoints
- Cluster state information
- Connection details
Errors
Server error responses:
- Protocol violations
- Authentication failures
- Resource limits
- Configuration errors