DruidDataSource dataSource = new DruidDataSource(); dataSource.setUrl("jdbc:mysql://localhost:3306/mydb"); dataSource.setUsername("username"); dataSource.setPassword("password"); dataSource.setInitialSize(10); dataSource.setMaxActive(100); dataSource.setMinIdle(5); dataSource.setFilters("stat,wall"); dataSource.addFilter(new MyFilter()); dataSource.setConnectionProperties("druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000"); dataSource.setStatLogger(new MyStatLogger()); dataSource.setRealIpHeader("X-Real-IP"); Connection conn = dataSource.getConnection();