Some says that Symfony2, as every complex framework, is a slow one. Our answer’s that everything depends on you 😉 In that post, we’ll reveal some software architecture details of the Symfony2 based application running more than 1 000 000 000 requests every week.
Symfony2 is said to be slow. Nothing can be further from the truth! Our Symfony2 instances handle more than 600 req/s and are working great. To have such results, everything needs some performance optimizations.
Doctrine ORM is a powerful tool which can facilitate an access to the database layer providing mapping the source data to objects. Unfortunately, as every next abstraction layer, such possibilities come with a performance overhead.