Have your cake and decompress it too
Summary
Vortex applies a recursive cascading of lightweight encodings to columnar data, inspired by the BtrBlocks approach. It uses sampling to select the best cascade and per-column strategies to optimize for size and random access, outperforming Parquet+ZSTD in tests. The article covers architecture, results (default ~38% smaller, compact ~55%), and future directions like domain-specific encodings and cross-column compression.