# Tempo config — minimal single-node setup
# Stores traces locally. Grafana queries via the HTTP API on port 3200.

server:
  http_listen_port: 3200

distributor:
  receivers:
    otlp:
      protocols:
        grpc:
          endpoint: 0.0.0.0:4317

ingester:
  trace_idle_period: 10s
  max_block_bytes: 104857600  # 100MB
  max_block_duration: 30m

compactor:
  compaction:
    block_retention: 720h  # 30 days

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

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

overrides:
  defaults:
    metrics_generator:
      processors: [service-graphs, span-metrics]
      generate_native_histograms: both