Documents the 16.7x test speedup achieved through pytest-xdist:
- Explains per-worker database isolation strategy
- Details SQLite WAL mode configuration for concurrency
- Describes automatic worker distribution and load balancing
- Covers implementation challenges and solutions
- Provides performance metrics and hardware requirements
- Includes best practices for parallel-safe tests
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
