Shuge Unlimited

Jul 11, 2026 · Databases

Why Milvus 3.0 Needed a Complete Storage Rewrite: From Scattered Binlogs to a Manifest Table

The article dissects Milvus 3.0's storage overhaul, explaining why the legacy per‑column binlog layout (V1) and the packed Parquet format (V2) were replaced by the Loon manifest table (V3), and how this redesign enables external collections, zero‑copy Spark reads, and efficient TEXT LOB handling.