Updated PDS-H benchmark results (May 2025)
https://pola.rs/posts/benchmarks/
Published: June 1, 2025 00:00
A fresh run of the PDS-H benchmark suite shows the performance of Polars versus other query processing engines.
🦜 Polars DataFrame blog
@pola.rs@rss-parrot.net
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A collection of articles on the usage / internal workings of Polars by the core team.
Site URL: pola.rs/
Feed URL: pola.rs/rss.xml
Posts: 10
Followers: 9
METRO.digital Optimized Their KPI Creation Process Across 19 Countries with Polars
https://pola.rs/posts/case-metro-digital/
Published: April 24, 2025 00:00
METRO.digital migrated from SQL to Polars for KPI creation across 19 countries, improving code maintainability and reducing resource requirements while handling large datasets more efficiently.
Polars Cloud; the distributed Cloud Architecture to run Polars anywhere
https://pola.rs/posts/polars-cloud-what-we-are-building/
Published: February 10, 2025 00:00
We introduce Polars Cloud, the distributed cloud architecture to scale and run Polars anywhere.
Exploring calendar-aware date operations in Polars
https://pola.rs/posts/exploring-calendar-aware-date-operations-in-polars/
Published: December 23, 2024 00:00
Explore the calendar-aware date operations that Polars supports to simplify working with dates.
Breaking the rules with expression expansion
https://pola.rs/posts/breaking-the-rules-with-expression-expansion/
Published: December 5, 2024 00:00
Polars has a rule that one expression must produce a single column as a result in a query. How do some expressions break this rule?
Polars in Aggregate: Faster I/O, inequality joins, and much more
https://pola.rs/posts/polars-in-aggregate-dec24/
Published: December 4, 2024 00:00
This edition covers plenty of performance improvements made to I/O, inequality joins, and much more.
Understanding Polars data types
https://pola.rs/posts/understanding-polars-data-types/
Published: November 26, 2024 00:00
Learn about all Polars data types, including when to use them and how to use them.
Efficient Cloud Data Processing with Polars – a DB Systel Case Study
https://pola.rs/posts/case-db-systel/
Published: October 17, 2024 00:00
The largest german railway company achieves nearly 20x speedup in data processing and identifies significant potential for cost savings on cloud resources.
Joulen accelerates the transition to sustainable energy practices using Polars
https://pola.rs/posts/case-joulen/
Published: September 25, 2024 00:00
Joulen builds a highly scalable and cost-effective infrastructure with Polars to power tools to optimize the use of renewable assets.
GPU acceleration with Polars and NVIDIA RAPIDS
https://pola.rs/posts/gpu-engine-release/
Published: September 17, 2024 00:00
Polars and NVIDIA RAPIDS have worked together to bring GPU acceleration to Polars.