Type of span. Can be used to specify additional relationships
between spans in addition to a parent/child relationship.
Enums
Name
Description
SPAN_KIND_UNSPECIFIED
Unspecified. Do NOT use as default. Implementations MAY assume SpanKind.INTERNAL to be default.
INTERNAL
Indicates that the span is used internally. Default value.
SERVER
Indicates that the span covers server-side handling of an RPC or other remote network request.
CLIENT
Indicates that the span covers the client-side wrapper around an RPC or other remote request.
PRODUCER
Indicates that the span describes producer sending a message to a broker. Unlike client and server, there is no direct critical path latency relationship between producer and consumer spans (e.g. publishing a message to a pubsub service).
CONSUMER
Indicates that the span describes consumer receiving a message from a broker. Unlike client and server, there is no direct critical path latency relationship between producer and consumer spans (e.g. receiving a message from a pubsub service subscription).