Updated PDS-H benchmark results (May 2025)
by Ritchie Vink
A fresh run of the PDS-H benchmark suite shows the performance of Polars versus other query processing engines.
Sun, 1 Jun 2025METRO.digital Optimized Their KPI Creation Process Across 19 Countries with Polars
by Dr. Patrick Bormann (Tech lead data scientist) @ METRO.digital
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.
Thu, 24 Apr 2025Polars Cloud; the distributed Cloud Architecture to run Polars anywhere
by Ritchie Vink
We introduce Polars Cloud, the distributed cloud architecture to scale and run Polars anywhere.
Mon, 10 Feb 2025Exploring calendar-aware date operations in Polars
by Rodrigo Girão Serrão
Explore the calendar-aware date operations that Polars supports to simplify working with dates.
Mon, 23 Dec 2024Breaking the rules with expression expansion
by Rodrigo Girão Serrão
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?
Thu, 5 Dec 2024Polars in Aggregate: Faster I/O, inequality joins, and much more
by Rodrigo Girão Serrão
This edition covers plenty of performance improvements made to I/O, inequality joins, and much more.
Wed, 4 Dec 2024