57 lines
2.2 KiB
Markdown
57 lines
2.2 KiB
Markdown
<!--- Hugo front matter used to generate the website version of this page:
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linkTitle: Tracing Compatibility
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# Semantic Conventions for Tracing Compatibility Components
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**Status**: [Experimental][DocumentStatus]
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This document defines trace semantic conventions used by the
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compatibility components, e.g. OpenTracing Shim layer.
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- [OpenTracing](#opentracing)
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## OpenTracing
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`Link`s created by the OpenTracing Shim MUST set `opentracing.ref_type`
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with one of the accepted values, describing the direct causal relationships
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between a child Span and a parent Span, as defined by
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[OpenTracing](https://github.com/opentracing/specification/blob/master/specification.md).
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| Attribute | Type | Description | Examples | [Requirement Level](https://opentelemetry.io/docs/specs/semconv/general/attribute-requirement-level/) | Stability |
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|---|---|---|---|---|---|
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| [`opentracing.ref_type`](/docs/attributes-registry/opentracing.md) | string | Parent-child Reference type [1] | `child_of`; `follows_from` | `Recommended` |  |
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**[1]:** The causal relationship between a child Span and a parent Span.
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`opentracing.ref_type` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used.
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| Value | Description | Stability |
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|---|---|---|
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| `child_of` | The parent Span depends on the child Span in some capacity |  |
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| `follows_from` | The parent Span doesn't depend in any way on the result of the child Span |  |
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[DocumentStatus]: https://opentelemetry.io/docs/specs/otel/document-status
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