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80 lines
1.3 KiB
Markdown
80 lines
1.3 KiB
Markdown
# Tracing
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Visualize the Requests Flow
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{: .subtitle }
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The tracing system allows developers to visualize call flows in their infrastructure.
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Traefik uses OpenTracing, an open standard designed for distributed tracing.
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Traefik supports five tracing backends:
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- [Jaeger](./jaeger.md)
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- [Zipkin](./zipkin.md)
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- [Datadog](./datadog.md)
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- [Instana](./instana.md)
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- [Haystack](./haystack.md)
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## Configuration
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By default, Traefik uses Jaeger as tracing backend.
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To enable the tracing:
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```toml tab="File (TOML)"
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[tracing]
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```
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```yaml tab="File (YAML)"
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tracing: {}
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```
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```bash tab="CLI"
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--tracing=true
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```
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### Common Options
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#### `serviceName`
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_Required, Default="traefik"_
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Service name used in selected backend.
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```toml tab="File (TOML)"
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[tracing]
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serviceName = "traefik"
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```
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```yaml tab="File (YAML)"
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tracing:
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serviceName: traefik
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```
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```bash tab="CLI"
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--tracing.serviceName=traefik
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```
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#### `spanNameLimit`
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_Required, Default=0_
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Span name limit allows for name truncation in case of very long names.
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This can prevent certain tracing providers to drop traces that exceed their length limits.
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`0` means no truncation will occur.
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```toml tab="File (TOML)"
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[tracing]
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spanNameLimit = 150
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```
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```yaml tab="File (YAML)"
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tracing:
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spanNameLimit: 150
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```
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```bash tab="CLI"
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--tracing.spanNameLimit=150
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```
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