Daily Archives: April 19, 2010

MySQL Conference 2010 Day 1

By | April 19, 2010

What’s New in MySQL 5.5? Performance Unleashed! – slides Default storage engine is InnoDB (what had been called the InnoDB plugin, but now is the only version). Many locks and mutexes held back scalability in 5.1. Biggest win was fixing uses of LOCK_open. It was used for many things, some of which made no sense. Introduced… Read More »