Configure spring datasource for hibernate and @Transactional

Question

At this moment I\'m using DriverManagerDataSource with @Transactional annotation to manage transactions. But all transactions are very very slow, probably because data sourc

Answer 1

I am using in my application combination of two approaches. the first one is c3p0 connection pooling, its almost the same solution as chkal sugested. The second approach is to use Spring lazyConnectionDataSourceProxy, which creates lazy loading proxy that loads connection only if you hit the database. This is very useful, when you have second level cache and you are only reading cached data and queries - database wont be hit, and you don't need to acquire connection (which is pretty expensive).