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[DOCS-9945] Fix Istio service name default and add DD_SERVICE override#36279

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brett0000FF merged 1 commit into
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Apr 27, 2026
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[DOCS-9945] Fix Istio service name default and add DD_SERVICE override#36279
brett0000FF merged 1 commit into
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brett.blue/fix-istio-service-name-docs

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What does this PR do? What is the motivation?

Fixes DOCS-9945

Corrects the Istio proxy setup documentation for service naming:

  • Fixes inaccurate default description: The docs stated the default service name is "generated from the deployment name and namespace." The actual default (per Istio's APP_LABEL_AND_NAMESPACE TracingServiceName mode) is derived from the app label on the pod and the pod's namespace. If the app label is not set, the service name defaults to istio-proxy.
  • Adds DD_SERVICE override: Documents how to override the service name using the DD_SERVICE environment variable through the proxy.istio.io/config annotation, which is the Datadog-native approach.

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Merge readiness:

  • Ready for merge

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@brett0000FF brett0000FF marked this pull request as ready for review April 24, 2026 23:58
@brett0000FF brett0000FF requested a review from a team as a code owner April 24, 2026 23:58
@brett0000FF brett0000FF merged commit f3241c2 into master Apr 27, 2026
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@brett0000FF brett0000FF deleted the brett.blue/fix-istio-service-name-docs branch April 27, 2026 17:29
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2 participants