MySQL Ndb Cluster data nodes use a hybrid non blocking thread-per-core architecture for control, scalability and efficiency. This has been a unique advantage for years, rare in DDBMS even now.
http://messagepassing.blogspot.com/2009/09/ndb-software-architecture.html
http://messagepassing.blogspot.com/2009/09/mysql-cluster-development.html
https://mikaelronstrom.blogspot.com/2012/05/history-of-mysql-cluster-architecture.html
#mysql #ha #distributedsql #ndbcluster