Software Development Senior Manager, MySQL @ Oracle
Mark has worked on MySQL, Oracle, Sybase and SQL Server servers, and monitoring and management tools for these, for an extensive time. He joined MySQL in 2005 as a Support Engineer and is now Senior Software Development Manager in Oracle's MySQL Enterprise Tools group where he helps lead development of MySQL Enterprise Monitor, MySQL Proxy, and works closely with the MySQL server team on the Performance Schema, and MySQL instrumentation in general. Mark is the original developer of the sys schema, a collection of views, procedures and functions, that can be used to help interpret Performance Schema data.
Performance Schema within MySQL 5.6 exposed a wealth of new instrumentation useful to DBAs and Developers, bringing statement instrumentation, table usage statistics and more.