# Tempo — local-disk trace store. Receives OTLP from Alloy on :4319 (Alloy owns :4317/:4318),
# and runs the metrics_generator to emit RED + service-graph metrics, remote-written into
# Prometheus so Grafana can draw request rates and the service map without any app metrics.
server:
  http_listen_address: 0.0.0.0
  http_listen_port: 3200
  grpc_listen_port: 9095
  log_level: info

distributor:
  receivers:
    otlp:
      protocols:
        grpc:
          endpoint: "0.0.0.0:4319"

ingester:
  max_block_duration: 5m

compactor:
  compaction:
    block_retention: 168h          # 7 days of traces

metrics_generator:
  registry:
    external_labels:
      source: tempo
  storage:
    path: /var/lib/tempo/generator/wal
    remote_write:
      - url: http://localhost:9090/api/v1/write
        send_exemplars: true
  traces_storage:
    path: /var/lib/tempo/generator/traces

storage:
  trace:
    backend: local
    wal:
      path: /var/lib/tempo/wal
    local:
      path: /var/lib/tempo/blocks

# Turn the generator on for every tenant (single-tenant here).
overrides:
  defaults:
    metrics_generator:
      processors: [service-graphs, span-metrics]