Mark Callaghan

Mark lead the MySQL Engineering team at Google for 2.5 years and continues to focus on making MySQL perfect. The team supports a large and critical MySQL deployment. During this time the team has implemented, deployed and published many valuable features for MySQL including semi-sync replication, user and table monitoring via SHOW TABLE_STATISTICS and USER_STATISTICS, SMP and IO performance patches for InnoDB, global transaction IDs for replication, row-change logging, transactional replication and many bug fixes.

Prior to Google Mark worked at Identity Engines, Oracle and Informix on database internals. Mark holds an M.S. degree in Computer Science from the University of Wisconsin-Madison.

He maintains MySQL patches at code.google.com and launchpad.net and writes a popular blog at mysqlha.blogspot.com.

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