On the 24th of November I attended a talk given by one of of Sun's benchmark specialists , Dimitri Kravtchuk, at the Sun Solution Center of Paris.
The talk was simply called MySQL performance, and I was expecting, as many I suppose (the auditorium was packed !) tips and tricks on how to optimize a MySQL database. However I was quite positively surprised since the 3 hours session wasn't just a long list of tricks and “how to's” but was actually a journey through one and a half year of improvement of the InnoDB engine.
InnoDB could easily scale horizontally but not vertically. Horizontal scaling is the fact to put many small servers with each running a MySQL server (typically in a Master-Slave mode) where vertical scaling would be to put a unique MySQL server on a bigger server, expecting to get better performances. The latter is more and more needed given the multiplication of cores and threads within the CPUs even in entry level …
[Read more]