Overview
Implemented comprehensive JMX metrics exposure and scraping for Kafka Streams applications running in Kubernetes, enabling detailed monitoring of stream processing performance.
Key Features
- JMX Exporter: Deployed as sidecar for metric collection
- Prometheus Integration: Service monitor configuration
- Custom Dashboards: Stream processing visualization
- Alert Rules: Proactive monitoring for critical metrics
Key Metrics Exposed
- Processing rate and latency
- Consumer lag per partition
- State store metrics
- Thread utilization
- Commit and poll latencies
Technical Approach
- JMX Exporter sidecar deployment
- Prometheus service discovery
- Grafana dashboard templates
- Alert rules for high lag and failures