Smallpond is a high-performance data processing framework designed for large-scale data processing. Built on DuckDB and 3FS, it can efficiently handle petabyte-scale datasets without requiring long-running services. Smallpond provides a simple and easy-to-use API, supporting Python 3.8 to 3.12, making it ideal for data scientists and engineers to quickly develop and deploy data processing tasks. Its open-source nature allows developers to freely customize and extend its functionality.