janhoy opened a new pull request, #18:
URL: https://github.com/apache/solr-orbit/pull/18
## Summary
- Bumps minimum supported Python from 3.10 to 3.12 in `setup.py`,
`check_python_version()`, and `tox.ini`
- Documents the macOS 15 incompatibility in `DEVELOPER_GUIDE.md`
Closes apache/solr-orbit#17
## Background
Python 3.10/3.11 hang indefinitely (~200% CPU) during corpus downloads on
macOS 15 (Darwin 25.4.0). Root cause is a CPython bug where `os.stat()` on
files with high-precision nanosecond timestamps triggers infinite recursion:
```
os.stat() → fill_time() → PyNumber_Multiply → k_mul →
_PyErr_CheckSignalsTstate
→ (signal handler) → os.stat() → ...
```
Python 3.12 does not have this issue. Discovered by profiling the hung
benchmark process with `sample`.
## Test plan
- [ ] Install Python 3.12 via pyenv and confirm `pip install -e .[develop]`
succeeds
- [ ] Run `python3 -m pytest tests/` — all tests pass
- [ ] Run a benchmark with docker pipeline + test-mode on a fresh data
directory — completes without hanging
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