sbbb/base/monitoring/tempo-values.yaml

# Tempo — monolithic single-binary, local filesystem backend.
# Receives OTLP over gRPC (:4317) and HTTP (:4318).
tempo:
  reportingEnabled: false
  receivers:
    otlp:
      protocols:
        grpc:
          endpoint: "0.0.0.0:4317"
        http:
          endpoint: "0.0.0.0:4318"
  storage:
    trace:
      backend: local
      local:
        path: /var/tempo/traces
      wal:
        path: /var/tempo/wal
  # Generate span-derived RED metrics (rate / errors / duration) and push
  # them into Prometheus so Grafana can show service-level indicators
  # even without application-level metrics exporters.
  metricsGenerator:
    enabled: true
    remoteWriteUrl: "http://kube-prometheus-stack-prometheus.monitoring.svc.cluster.local:9090/api/v1/write"
  overrides:
    defaults:
      metrics_generator:
        processors:
          - service-graphs
          - span-metrics

persistence:
  enabled: true
  size: 20Gi

# Expose OTLP ports as a ClusterIP service
service:
  type: ClusterIP