David Hunsinger

VP Technical Operations, Genius.com Inc

Chief DBA in a multi-homed, multi-master, many slave high transaction mixed Percona 5.0 and 5.5 environment.


Are you still running a huge monolithic 5.0 MySQL database in production? Afraid of upgrading? Intended for inexperienced DBAs, this talk will chart the path we took at LeadRocket to upgrade our production instances from Percona 5.0 to 5.5. In the process we had to deal with conversion of a near-terabyte 5.0 innodb database to file-per-table, we discovered the effect of non-deterministic queries... [read more]