Kore — Binary File Format Optimized for Modern Data Systems (Open Source)
Summary
Kore is a high-performance binary columnar file format designed for analytical workloads, with claimed 38% compression versus Parquet and 131x faster queries through column pruning and predicate pushdown. The open-source project includes a Rust library and native Spark/PySpark integration, plus quick start guidance and release notes. The repository emphasizes testing, CI, and building steps.