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e-linds merged 2 commits into from
Dec 17, 2025
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Update setting_primary_tags_to_scope.md #33418

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Update setting_primary_tags_to_scope.md
e-linds Dec 17, 2025
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Update content/en/tracing/guide/setting_primary_tags_to_scope.md
e-linds Dec 17, 2025
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1 change: 1 addition & 0 deletions content/en/tracing/guide/setting_primary_tags_to_scope.md
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Expand Up @@ -80,6 +80,7 @@ Go to the [APM Settings][6] page to define, change, or remove your primary tags.
* Changes may take up to two hours to be reflected in the UI.
* The tracer always adds `resource`, `name`, and `service` tags to spans. Datadog recommends never adding these as host level tags to avoid confusion.
* The additional primary tags support up to 100 unique values per tag. See [APM data volume guidelines][9] for details.
* Additional primary tags can be host or container tags. Span-level tags added by the tracer cannot be used as primary tags.

If you change a previously set primary tag, be aware of the following:

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