Os Zaitsev

This document summarizes several open source transactional storage engines for MySQL including InnoDB, Falcon, SolidDB, PBXT, and MyISAM. It describes the key design aspects and strengths and weaknesses of each engine. InnoDB is the most commonly used engine while Falcon and SolidDB are newer with active development but still have bugs to address. Each engine has different performance characteristics and suitability depending on the workload and requirements.