2026-10-12 13:24:38 +03:30
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server:
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http_listen_port: 3200
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distributor:
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receivers:
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otlp:
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protocols:
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grpc:
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endpoint: 0.0.0.0:4317
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http:
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endpoint: 0.0.0.0:4318
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ingester:
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max_block_duration: 5m
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compactor:
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compaction:
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block_retention: 336h
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storage:
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trace:
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backend: local
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wal:
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path: /var/tempo/wal
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local:
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path: /var/tempo/blocks
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metrics_generator:
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registry:
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external_labels:
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source: tempo
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storage:
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path: /var/tempo/generator/wal
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remote_write:
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- url: http://prometheus:9090/api/v1/write
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send_exemplars: true
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# Not in the Ansible template, which is broken without it: the
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# local-blocks processor needs a traces WAL, and when it can't initialise,
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# Tempo 2.8 starts *no* processors for the tenant ("local blocks processor
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# requires traces wal"), so service-graphs and span-metrics never emit.
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traces_storage:
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path: /var/tempo/generator/traces
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overrides:
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defaults:
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metrics_generator:
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processors: [service-graphs, span-metrics, local-blocks]
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2026-10-24 22:40:58 +03:30
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# Not in the Ansible template. Without it the generator labels exemplars
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# traceID (the code default; the docs wrongly say trace_id), which the
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# Prometheus datasource's exemplarTraceIdDestinations (trace_id) never
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# matches, so exemplars render but don't link to Tempo.
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trace_id_label_name: trace_id
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