GlobalKaleidoServer is not thread-safe
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- Dominant language
- Python
- Stars
- 498
- Forks
- 62
- Avg merge
- 1d 11h
- Merged PRs (30d)
- 2
Description
Reported by @talleibman in #431:
We hit an issue in production where concurrent call_function calls occasionally returned each other's results. The shared _return_queue has no guarantee that the caller who put the task gets the matching result back.
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating GlobalKaleidoServer and tracing concurrent call_function calls through the shared _return_queue. Reproduce the reported case with concurrent calls and inspect how tasks and results are matched. Done means concurrent callers consistently receive their own results, with coverage for the regression.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- backend
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 48/100