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NR-572481: Document NEW_RELIC_APP_NAME support for Lambda APM mode#24382

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NR-572481: Document NEW_RELIC_APP_NAME support for Lambda APM mode#24382
cbehera-newrelic wants to merge 5 commits into
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NR-572481-new-relic-app-name-lambda-apm

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@cbehera-newrelic cbehera-newrelic commented Jun 11, 2026

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Summary

  • Corrected NEW_RELIC_APP_NAME descriptions in env-variables-lambda.mdx — removed the inaccurate "not used in the New Relic UI" statement across Node.js, Python, Go, .NET, and Lambda extension tabs
  • Added NEW_RELIC_APP_NAME row to the Java and Ruby tabs (previously missing)
  • Created a standalone page for NEW_RELIC_APP_NAME detailed behaviour at /docs/serverless-function-monitoring/aws-lambda-monitoring/instrument-lambda-function/app-name-apm-lambda/ (not added to nav)
  • The standalone page covers: Entity Behaviour, Multi-Region Reporting, Cross-Runtime Reporting, and Same App Name Across Lambda and Non-Lambda Services
  • Updated all tabs in the env-variables table to link to the new standalone page

Jira ticket

NR-572481

cbehera-newrelic and others added 5 commits June 9, 2026 18:42
- Corrected NEW_RELIC_APP_NAME description in env-variables-lambda.mdx:
  removed "not used in the New Relic UI" across Node.js, Python, Go,
  .NET, and Lambda extension tabs; clarified APM mode entity grouping behavior
- Added new guide: set-lambda-apm-entity-name.mdx
- Added new guide: group-lambdas-single-apm-entity.mdx
- Updated serverless-function-monitoring.yml nav to include both new guides

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Replaced the feature description with a problem/solution narrative:
explains entity sprawl (10 functions = 10 entities), the monitoring
overhead it causes, and how NEW_RELIC_APP_NAME resolves it. Added
the non-Lambda unification use case from the engineering demo.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Removed thin how-to guides (set-lambda-apm-entity-name.mdx and
group-lambdas-single-apm-entity.mdx) — the procedure was just setting
one env var, not enough to justify standalone pages.

Moved all behavioral detail into the NEW_RELIC_APP_NAME table entries
in env-variables-lambda.mdx: entity grouping rules, cross-runtime
limitation, ARN filtering tip, and entity lifecycle warning.
Updated nav to remove the two deleted pages.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Hi @cbehera-newrelic 👋

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@cbehera-newrelic cbehera-newrelic self-assigned this Jun 11, 2026
@cbehera-newrelic cbehera-newrelic added content requests related to docs site content from_tw Identifies issues/PRs from Tech Docs writers labels Jun 11, 2026
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