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docs(exporter-chain): add exporter chain overview with default#1243

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LikeTheSalad merged 2 commits into
open-telemetry:mainfrom
marcschaeferger:Issue-1127
Sep 26, 2025
Merged

docs(exporter-chain): add exporter chain overview with default#1243
LikeTheSalad merged 2 commits into
open-telemetry:mainfrom
marcschaeferger:Issue-1127

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@marcschaeferger

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This pull request introduces documentation for the new Exporter Chain feature in the OpenTelemetry Android RUM SDK. The main goal is to explain how the SDK handles asynchronous exporter initialization, buffering, and customization, ensuring reliable telemetry export even during startup or offline scenarios.

Documentation Additions:

  • Added a new EXPORTER_CHAIN.md document detailing the exporter delegation chain, including in-memory and disk buffering, asynchronous initialization, and customization hooks.
  • Updated README.md to reference the new Exporter Chain feature and documentation, highlighting its purpose and usage.

Motivation

Fills a gap in documentation around exporter-chain internals, configuration, and extension hooks that was request in Issue #1127
Addresses lack of centralized explanation of buffering layers, initialization order, and customization options.

@marcschaeferger marcschaeferger requested a review from a team as a code owner September 21, 2025 18:50
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codecov Bot commented Sep 21, 2025

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 64.29%. Comparing base (d28a0e5) to head (86b2835).
⚠️ Report is 10 commits behind head on main.

Additional details and impacted files
@@           Coverage Diff           @@
##             main    #1243   +/-   ##
=======================================
  Coverage   64.29%   64.29%           
=======================================
  Files         142      142           
  Lines        3011     3011           
  Branches      296      296           
=======================================
  Hits         1936     1936           
  Misses        998      998           
  Partials       77       77           

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@LikeTheSalad LikeTheSalad left a comment

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This is a very detailed explanation, thank you! 🙏 I have a couple of comments, but overall it looks great.

Comment thread docs/EXPORTER_CHAIN.md Outdated
Comment thread docs/EXPORTER_CHAIN.md Outdated
Comment thread docs/EXPORTER_CHAIN.md
@marcschaeferger

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@LikeTheSalad Applied all your Suggestion

@LikeTheSalad LikeTheSalad left a comment

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Thank you! 🙏

@LikeTheSalad LikeTheSalad merged commit e2a8baa into open-telemetry:main Sep 26, 2025
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@marcschaeferger marcschaeferger deleted the Issue-1127 branch September 26, 2025 18:13
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2 participants