Unverified50% confidenceFactExact time
A span is the smallest unit of work in distributed tracing, representing an operation with a start time, end time, and metadata, and multiple spans are combined into a trace through parent-child relationships or links.
1
Sources
50%
Confidence
Long-term
Relevance
10/15/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedSpans are the basic units of distributed tracing, representing the start and end of an operation, with multiple spans combined into a complete request chain.79% similarUnverifiedSpan metadata includes Trace ID and span ID, parent-child relationships, timing information, status, and operation type.69% similarUnverifiedOpenTelemetry tracing data is composed of multiple spans, where a span represents the time period of a single operation, and multiple spans form a tree structure through parent-child relationships to constitute a trace.68% similarUnverified在 Langfuse 中追踪被组织为层次化的 Span 结构，顶层 Trace 代表一次完整的用户请求，下面可嵌套 Generation Span、Tool Span、Retrieval Span 等子 Span67% similarUnverifiedStructured traces are an event stream that records each step of an agent run—inputs, decisions, tool calls, return values, latency, token consumption, and trigger reasons—in a machine-readable schema, can be queried, aggregated, and replayed by programs, and are distinct from ordinary human-readable logs.59% similar
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