Commits on Aug 22, 2024

1. fix(llmobs): recreate writer on fork (#10249) …

   This PR ensures that the LLMObsSpanWriter is correctly recreated and
   restarted on a forked process.
   
   Previously, on a process fork we were not recreating/restarting the
   writer worker correctly. This resulted in situations with using
   celery/gunicorn where LLMObs spans were created, but never submitted as
   the forked worker process did not have a running writer thread.
   
   ## Checklist
   - [x] PR author has checked that all the criteria below are met
   - The PR description includes an overview of the change
   - The PR description articulates the motivation for the change
   - The change includes tests OR the PR description describes a testing
   strategy
   - The PR description notes risks associated with the change, if any
   - Newly-added code is easy to change
   - The change follows the [library release note
   guidelines](https://ddtrace.readthedocs.io/en/stable/releasenotes.html)
   - The change includes or references documentation updates if necessary
   - Backport labels are set (if
   [applicable](https://ddtrace.readthedocs.io/en/latest/contributing.html#backporting))
   
   ## Reviewer Checklist
   - [x] Reviewer has checked that all the criteria below are met
   - Title is accurate
   - All changes are related to the pull request's stated goal
   - Avoids breaking
   [API](https://ddtrace.readthedocs.io/en/stable/versioning.html#interfaces)
   changes
   - Testing strategy adequately addresses listed risks
   - Newly-added code is easy to change
   - Release note makes sense to a user of the library
   - If necessary, author has acknowledged and discussed the performance
   implications of this PR as reported in the benchmarks PR comment
   - Backport labels are set in a manner that is consistent with the
   [release branch maintenance
   policy](https://ddtrace.readthedocs.io/en/latest/contributing.html#backporting)
   
   ---------
   
   Co-authored-by: Sam Brenner <[email protected]>
   (cherry picked from commit 64b5804)

   

   Yun-Kim authored and github-actions[bot] committed Aug 22, 2024
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2. Merge branch '2.12' into backport-10249-to-2.12

   

   sabrenner authored Aug 22, 2024
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