He is a PostgreSQL contributor and database engineer at Tokyo. He has been insterested in replication, vacuum, MVCC, distributed transaction and patch reviews. Also he is a maintainer of some PostgreSQL related tools: pg_bigm、pg_repack.
Contribution to PostgreSQL
- Quorum-based Synchronous Replication (10)
- Freeze map (9.6)
- Priority-based Synchronous Replicatoin (9.6)
- Bug fixes
Contribution of artcle to magazine
- SoftwareDesign 2018年5月号 (第3章 MySQLとPostgreSQL比較)