Seppo Jaakola

CEO, Codership

Database replication specialist, with long track record of developing various replication and clustering solutions for MySQL and PostgreSQL databases. Currently holding CEO position at Codership, working for Galera open source project with the target of developing a universally applicable synchronous multi-master replication solution.


Galera Cluster is synchronous multi-master cluster, which allows clients to read and write to any cluster node, without any limitations. When two or several clients happen to write to same data element at the same time, the cluster must decide how to resolve the conflcit - the bottom line is that only one write can be accepted. Galera will resolve this by letting the first committting... [read more]
Galera Cluster for MySQL is a revolutionary step forward in MySQL high-availability. It provides synchronous, multi-master, active-active clustering for InnoDB. No longer do you have to make tradeoffs between data integrity/durability and failover time, nor do you have to accept a performance hit because you need high-availability. Galera Cluster version 3 was released in November 2013 and... [read more]