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Monitor Lumina services in production.

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Prometheus Metrics

Lumina exports Prometheus metrics: 
scrape_configs:
  - job_name: 'lumina-ingestion'
    static_configs:
      - targets: ['ingestion:9090']

  - job_name: 'lumina-api'
    static_configs:
      - targets: ['api:9090']

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Key Metrics

Ingestion:
  • lumina_traces_ingested_total
  • lumina_traces_ingested_errors_total
  • lumina_ingestion_duration_seconds
API:
  • lumina_api_requests_total
  • lumina_api_request_duration_seconds
  • lumina_database_query_duration_seconds
Worker:
  • lumina_traces_processed_total
  • lumina_worker_queue_depth
  • lumina_worker_processing_duration_seconds

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Grafana Dashboard

Import pre-built dashboard: 
kubectl apply -f https://charts.uselumina.io/grafana/dashboard.json

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Alerting

Configure Prometheus alerts: 
groups:
  - name: lumina
    rules:
      - alert: HighIngestionErrors
        expr: rate(lumina_traces_ingested_errors_total[5m]) > 100
        labels:
          severity: warning

      - alert: HighQueueDepth
        expr: lumina_worker_queue_depth > 10000
        labels:
          severity: critical