ParentSpanID

• ParentSpanID
• Relation to SpanID
• References

ParentSpanID

ParentSpanID can either but NULL/empty or contain the 8 byte SpanID of the span that caused this span.

• A span without a ParentSpanID is called a “Root span”
• A span with a ParentSpanID is called a “Child span”
• Many spans can have the same ParentSpanID and they are all children of the parent
• A span can ONLY have one parent
• A child span can also be a parent of a span that it spawns

References