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Enable OpenTelemetry logging for unmodified default pipelines.#2283

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quentinmit wants to merge 2 commits intomasterfrom
quentin-builtin-otel
Open

Enable OpenTelemetry logging for unmodified default pipelines.#2283
quentinmit wants to merge 2 commits intomasterfrom
quentin-builtin-otel

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Description

This commit switches unmodified default pipelines from Fluent Bit to the OpenTelemetry Collector. To temporarily revert, add

logging:
  service:
    experimental_otel_logging: false

Note: Each service maintains its own record of the logs it has processed, so switching from either one to the other will cause duplicate logs to be processed.

Related issue

b/409018557

How has this been tested?

Integration tests already run with both configs.

Checklist:

  • Unit tests
    • Unit tests do not apply.
    • Unit tests have been added/modified and passed for this PR.
  • Integration tests
    • Integration tests do not apply.
    • Integration tests have been added/modified and passed for this PR.
  • Documentation
    • This PR introduces no user visible changes.
    • This PR introduces user visible changes and the corresponding documentation change has been made.
  • Minor version bump
    • This PR introduces no new features.
    • This PR introduces new features, and there is a separate PR to bump the minor version since the last release already.
    • This PR bumps the version.

This commit switches unmodified default pipelines from Fluent Bit to
the OpenTelemetry Collector. To temporarily revert, add

```yaml
logging:
  service:
    experimental_otel_logging: false
```

Note: Each service maintains its own record of the logs it has
processed, so switching from either one to the other will cause
duplicate logs to be processed.
@quentinmit quentinmit requested a review from jefferbrecht April 29, 2026 21:53
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