Improved logging for OTLP receiver#1981
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jmacd merged 6 commits intoopen-telemetry:mainfrom Feb 7, 2026
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #1981 +/- ##
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- Coverage 85.77% 85.76% -0.01%
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Files 513 513
Lines 162908 162908
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- Hits 139731 139719 -12
- Misses 22643 22655 +12
Partials 534 534
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jmacd
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Feb 6, 2026
cijothomas
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Feb 6, 2026
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Reverting #1973 Fixing the empty "" from our internal macros, that caused the `message="user friendly message here"` from being omitted in stdout! Taking https://github.com/open-telemetry/otel-arrow/blob/main/rust/otap-dataflow/crates/controller/src/lib.rs#L668-L671 as example ```rust otel_warn!( "core_affinity.set_failed", message = "Failed to set core affinity for pipeline thread. Performance may be less predictable." ); ``` Before ```txt 2026-02-06T22:15:09.891Z WARN otap-df-controller::core_affinity.set_failed (crates/controller/src/lib.rs:668): ``` (Missing message!) After (i.e with this PR) ```txt 2026-02-06T22:11:19.095Z WARN otap-df-controller::core_affinity.set_failed (crates/controller/src/lib.rs:668): Failed to set core affinity for pipeline thread. Performance may be less predictable. ``` (Message is back) "message" is already special cased in this repo, OTel Rust repo, and `tracing` itself. Passing user friendly string as an attribute named "message" is *[faster](https://github.com/open-telemetry/opentelemetry-rust/pull/2001/changes)* too! Also, we avoid the less friendly syntax - #1981 (comment)
cijothomas
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Feb 6, 2026
cijothomas
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Feb 6, 2026
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Change Summary
Minor but important improvement to logging to include the endpoint where OTLP receiver is listening.
Also downgraded a registry log to debug - its polluting startup with a ton of logs, which I don't find useful, so downgrading to DEBUG from INFO. Its too much for INFO level, IMHO.