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bcb13b1e74
_handle_stream_ended() in async_connection.py (used by the ASGI worker) did not set stream._body_complete = True or signal stream._body_event. This caused the receive() closure in protocol.py to never see the body as complete via the streaming path, so on the next call the fast path re-read the entire body from BytesIO, doubling it. The sync handler in connection.py already had a partial fix from #3559 but was also missing _body_event signalling, which is needed to unblock any pending read_body_chunk() await. Fixes https://github.com/benoitc/gunicorn/discussions/3567
Gunicorn
Gunicorn is maintained by volunteers. If it powers your production, please consider supporting us:
Gunicorn 'Green Unicorn' is a Python WSGI HTTP Server for UNIX. It's a pre-fork worker model ported from Ruby's Unicorn project. The Gunicorn server is broadly compatible with various web frameworks, simply implemented, light on server resource usage, and fairly speedy.
New in v25: Per-app worker allocation for dirty arbiters, HTTP/2 support (beta)!
Quick Start
pip install gunicorn
gunicorn myapp:app --workers 4
For ASGI applications (FastAPI, Starlette):
gunicorn myapp:app --worker-class asgi
Features
- WSGI support for Django, Flask, Pyramid, and any WSGI framework
- ASGI support for FastAPI, Starlette, Quart
- HTTP/2 support (beta) with multiplexed streams
- Dirty Arbiters (beta) for heavy workloads (ML models, long-running tasks)
- uWSGI binary protocol for nginx integration
- Multiple worker types: sync, gthread, gevent, eventlet, asgi
- Graceful worker process management
- Compatible with Python 3.9+
Documentation
Full documentation at https://gunicorn.org
Community
- Report bugs on GitHub Issues
- Chat in #gunicorn on Libera.chat
- See CONTRIBUTING.md for contribution guidelines
Support
Powering Python apps since 2010. Support continued development.
Sponsors
License
Gunicorn is released under the MIT License. See the LICENSE file for details.