Articles by Tag #polars
Browse our collection of articles on various topics related to IT technologies. Dive in and explore something new!
We Stopped Reaching for PySpark by Habit. Polars Made Our Small Jobs Boringly Fast.
You know those “we migrated and everything is 10x faster” posts that leave out the messy bits? This...
Pandas vs Polars: Which Data Processor Runs Faster
When your data science workflows start hitting performance walls, the choice between Python's Pandas...
Reading partitioned Delta table with Polars
I recently had the occasion to revisit some findings about the best practice for reading partitioned...
Pandas vs Polars: Is It Time to Rethink Python’s Trusted DataFrame Library?
For over a decade, Pandas has been the cornerstone of tabular data manipulation in Python. Its...
Polars + Delta Lake: Azure Function vs. Laptop on Small Data
Have you ever wondered how the performance of Polars + Deltalake on Azure compares to a consumer...
Building Flowfile: Architecting a Visual ETL Tool with Polars
Flowfile is my open-source project, born from trying to build an Alteryx alternative that combined...
Pandas vs Polars in 2025: Who Wins the Data Speed Race?
⚔️ Pandas is mature, flexible, battle-tested. 🚀 Polars is fast, lean, and written in Rust. Tested on...