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Merge branch 'pratik/otel-phase2-rpc-tracing' into pratik/otel-phase3-tx-tracing
# Conflicts: # OpenTelemetryPlan/05-configuration-reference.md
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@@ -31,7 +31,7 @@ The authoritative `[telemetry]` example lives in `cfg/xrpld-example.cfg`. Teleme
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| `trace_ledger` | bool | `true` | Enable ledger tracing |
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| `tx_trace_strategy` | string | `"deterministic"` | TX trace ID strategy: `"deterministic"` (trace_id = txHash[0:16]) or `"attribute"` (random) |
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| `consensus_trace_strategy` | string | `"deterministic"` | Consensus trace ID strategy: `"deterministic"` (trace_id = prevLedgerHash[0:16]) or `"attribute"` (random) |
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| `service_name` | string | `"xrpld"` | Service name for traces |
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| `service_name` | string | `"xrpld"` | Service name (`service.name`) for traces and metrics |
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| `service_instance_id` | string | `<node_pubkey>` | Instance identifier |
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**Planned (not yet implemented)**: the following options appear in the design
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@@ -141,7 +141,7 @@ flowchart TB
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**Reading the diagram:**
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- **Validator / Stock Nodes**: All xrpld nodes emit trace data via OTLP. Validators and stock nodes are grouped separately because they may reside in different network zones.
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- **Collector Cluster (DC1, DC2)**: Regional collectors receive OTLP from nodes in their datacenter, apply processing (sampling, enrichment), and fan out to multiple backends.
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- **Collector Cluster (DC1, DC2)**: Regional collectors receive OTLP from nodes in their datacenter, apply processing (sampling, enrichment), and fan out to multiple backends. Enrichment includes deployment-tier tagging: each collector stamps `deployment.environment` and (as a fallback) `xrpl.network.type` so one Grafana stack can filter data from many collectors by tier.
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- **Storage Backends**: Tempo and Elastic provide queryable trace storage; S3/GCS Archive provides long-term cold storage for compliance or post-incident analysis.
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- **Grafana Dashboards**: The single visualization layer that queries both Tempo and Elastic, giving operators a unified view of all traces.
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- **Data flow direction**: Nodes → Collectors → Storage → Grafana. Each arrow represents a network hop; minimizing collector-to-backend hops reduces latency.
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