Spring DAO - first query with JdbcTemplate takes much longer time

Question

In my application I use Spring MVC with DAO pattern to access MSSql database with JdbcTemplate. Everything is working fine but I have noticed that first query takes a bit lo

Answer 1

Your DataSource is a connection pool. The first query needs to connect. Subsequent queries reuse the connection. You could either configure dbcp to pre-create a few connections or connect and release manually right after the app starts.