{"entity": "Apache Spark", "url": "https://wpnews.pro/entity/Apache Spark", "count": 1, "articles": [{"slug": "single-node-data-engineering-duckdb-datafusion-polars-and-lakesail", "title": "Single-Node Data Engineering: DuckDB, DataFusion, Polars, and LakeSail", "url": "https://wpnews.pro/news/single-node-data-engineering-duckdb-datafusion-polars-and-lakesail", "published_at": "2026-05-24 00:50:59+00:00"}]}