Big Data Technology Tribe

Aug 14, 2026 · Big Data

How lance‑spark Implements Blob V2 Support: A Deep Dive

The article explains how lance‑spark enables Lance's Blob V2 storage by marking a column with blob encoding and setting file_format_version ≥ 2.2, describes the metadata‑driven descriptor schema, the write path that still accepts Spark BINARY, and the size‑based placement of binary data into inline, packed, dedicated or external blob files.