AliSQL: Alibaba's Enterprise MySQL Branch

2026-05-14 · source · source ↗ · raw capture · wiki page

Main Purpose

Open-source MySQL fork developed by Alibaba Group that extends MySQL with DuckDB's analytical engine and native vector search.

Key Features

Feature Description Status
DuckDB Storage Engine Columnar OLAP engine with automatic compression Available
Vector Index (VIDX) Native vector storage with HNSW, up to 16,383 dimensions Available
DDL Optimization Instant DDL, parallel B+tree construction, non-blocking locks Planned
RTO Optimization Accelerated crash recovery Planned
Replication Boost Binlog Parallel Flush, Binlog in Redo, large transaction optimization Planned

Performance

DuckDB engine delivers approximately 200x speedup on analytical queries compared to InnoDB. Suitable for AI/ML workloads with native vector search supporting COSINE and EUCLIDEAN distance metrics.

Compatibility

"Use your existing MySQL tools, drivers, and SQL -- zero learning curve." 100% MySQL compatibility.

Production

Battle-tested across millions of databases in Alibaba's production environment.

Technical