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Trace

The tracing system allows developers to visualize io flows to locate the problem.

Elastic Stream uses OpenTracing, an open standard designed for distributed tracing and supports OpenTelemetry as tracing backends:

OpenTelemetry​

To enable the OpenTelemetry trace exporter:

observation:
  trace:
    enable: false
    endpoint: "http://localhost:4317"

Configuration​

enable​

Required, Default="false"

Enable trace exporter.

observation:
  trace:
    enable: true

endpoint​

Required, Default="http://localhost:4317", Format="http://<host>:<port>"

Address of the OpenTelemetry Collector to send spans to.

observation:
  trace:
    endpoint: "http://localhost:4317"

protocol​

Optional, Default="grpc"

This instructs the exporter to send spans to the OpenTelemetry Collector using which protocol.

Currently, only gRPC with plain text is supported.

observation:
  trace:
    protocol: "grpc"

timeout​

Optional, Default="3"

Max waiting time for exporting spans to the OpenTelemetry Collector, unit is seconds.

observation:
  trace:
    timeout: 3