DataDog

To enable the DataDog:

[tracing]
  [tracing.datadog]

--tracing
--tracing.datadog

Required, Default="127.0.0.1:8126"

Local Agent Host Port instructs reporter to send spans to datadog-tracing-agent at this address.

[tracing]
  [tracing.datadog]
    localAgentHostPort = "127.0.0.1:8126"

--tracing
--tracing.datadog.localAgentHostPort="127.0.0.1:8126"

Optional, Default=false

Enable DataDog debug.

[tracing]
  [tracing.datadog]
    debug = true

--tracing
--tracing.datadog.debug=true

Optional, Default=empty

Apply shared tag in a form of Key:Value to all the traces.

[tracing]
  [tracing.datadog]
    globalTag = "sample"

--tracing
--tracing.datadog.globalTag="sample"

Optional, Default=false

Enable priority sampling. When using distributed tracing, this option must be enabled in order to get all the parts of a distributed trace sampled.

[tracing]
  [tracing.datadog]
    prioritySampling = true

--tracing
--tracing.datadog.prioritySampling=true