TimescaleDB Compression: Hypercore and Columnar Storage with up to 98% Ratio in PostgreSQL
Summary
TimescaleDB's hypercore engine enables cross-row compression for time-series data, achieving up to 98% compression and major I/O savings. It contrasts with vanilla PostgreSQL TOAST and explains segmentby/orderby for optimizing batch compression, with practical IoT-focused guidance and performance comparisons. The article also covers encoding techniques, caveats, and deployment considerations.