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docs: clarify OTLP HTTP client runtime compatibility#3513

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cijothomas merged 1 commit into
open-telemetry:mainfrom
scottgerring:sgg/runtime-docs
May 12, 2026
Merged

docs: clarify OTLP HTTP client runtime compatibility#3513
cijothomas merged 1 commit into
open-telemetry:mainfrom
scottgerring:sgg/runtime-docs

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@scottgerring scottgerring commented May 11, 2026

We have a bunch of HTTP client features and some unintuitive rules around their usage; this PR tries to make the rules explicit.

I think long run we can probably do better than this but as we've had some feedback on this I think we should make it clearer immediately.

The advice is:

  • Just getting started? --> Use reqwest-blocking-client - this is the default behaviour with the stable processors. The async clients should not be used here.
  • **Using experimental_async_runtime ? Use reqwest-client, or hyper-client

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codecov Bot commented May 11, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.8%. Comparing base (dfdc478) to head (650ac18).

Additional details and impacted files
@@          Coverage Diff          @@
##            main   #3513   +/-   ##
=====================================
  Coverage   82.8%   82.8%           
=====================================
  Files        130     130           
  Lines      27289   27289           
=====================================
  Hits       22622   22622           
  Misses      4667    4667           

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@scottgerring scottgerring marked this pull request as ready for review May 11, 2026 10:29
@scottgerring scottgerring requested a review from a team as a code owner May 11, 2026 10:29
Comment thread opentelemetry-otlp/src/lib.rs Outdated
@scottgerring scottgerring requested a review from cijothomas May 12, 2026 06:54
@cijothomas cijothomas added this pull request to the merge queue May 12, 2026
Merged via the queue into open-telemetry:main with commit 8db5a12 May 12, 2026
28 checks passed
@scottgerring scottgerring deleted the sgg/runtime-docs branch May 13, 2026 14:53
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3 participants