package tracepb

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View/edit binary Protocol Buffers messages

• rpc Subscribe (TraceRecordRequest, stream TraceRecord)

  tracepb.proto:20

  Subscribe the Trace records generated on this service. The service will periodically (e.g. per minute) publishes Trace records to clients via gRPC stream.

  message TraceRecordRequest

  tracepb.proto:23

  (message has no fields)

  message TraceRecord

  tracepb.proto:25

  • oneof record_oneof

    • Report report = 1

    • NotifyCollect notify_collect = 2

Notify the subscriber to persis the spans of the trace.

Used in: TraceRecord

• uint64 trace_id = 1

Used in: Span

• string key = 1

• string value = 2

Used in: Report, TraceContext

• uint64 trace_id = 1

  A unique id to identify the request. It's usually a UUID.

• uint64 span_id = 2

  The span of remote caller that is awaiting the request.

Report the spans collected when handling a request on a service.

Used in: TraceRecord

• repeated RemoteParentSpan remote_parent_spans = 1

• repeated Span spans = 2

Used in: Report

• uint64 span_id = 1

  The unique span id within the spans with the same `trace_id`. The most significant 32 bits should be random number generated by each service instance.

• uint64 parent_id = 2

• uint64 begin_unix_ns = 3

• uint64 duration_ns = 4

• string event = 5

• repeated Property properties = 6

The context of the request to be traced.

Used in: kvrpcpb.Context

• repeated RemoteParentSpan remote_parent_spans = 1

• uint32 duration_threshold_ms = 2

  Report the trace records only if the duration of handling the request exceeds the threshold.