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b3b98b1322
- Read chunk size lines and trailers in 64-byte blocks instead of 1 byte at a time, pushing back excess data to the unreader buffer - Reuse BytesIO buffers with truncate/seek instead of creating new objects to reduce GC pressure in AsyncUnreader - Use bytearray.find() directly instead of converting to bytes first in header parsing loop - Use index-based iteration for header parsing instead of list.pop(0) which is O(n) per pop vs O(1) for index access Add tests for the optimized parsing code paths.
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.
License
Gunicorn is released under the MIT License. See the LICENSE file for details.