Tag: Parquet

A data file at a switching yard where scan, random-access, object-storage, geospatial and time-series paths diverge

Beyond Parquet and Avro: Choosing a Data File Format by Access Pattern

Lance, Vortex, Nimble, FastLanes, GeoParquet, cloud-optimized geo formats and new time-series encodings each optimize one access pattern on one storage tier. A field guide to what their published numbers measure, where tuned Parquet still wins, and how to choose.

By Julien Laurenceau, 4 days ago

Tesla’s .SMOL Format Shows Why Most Enterprise Data Lakes Are Architecturally Wrong

When Tesla published patent WO2024073080 describing a new file format internally called “.smol”, the headline was simple: 4x reduction in IOPS for AI training. Most people read this as a hardware story. It isn’t. It’s a data architecture story. And it exposes a structural weakness in how most enterprise data Read more

By Julien Laurenceau, 9 months2026-02-11 ago