Longda Feng

Longda Feng's technical blog: focused on distributed databases, OceanBase / seekdb, vector search, and AI Agent engineering practice, sharing database kernel source-code analysis and frontline hands-on experience.

Vector Index Tag

2026

05-21

OceanBase Community Monthly: Major Updates to PowerMem, OMS, and obdiag

2025

12-19

A Guide to Optimizing Vector Indexes in OceanBase

09-24

A Guide to Using the OceanBase Vector Database

08-19

Hybrid Query Methods for Vector Indexes — Did You Pick the Right One?