How to implement connection pool in spark https://github.com/YulinGUO/BigDataTips/blob/master/spark/How%20to%20implement%20connection%20pool%20in%20Spark.md 问题所在 在Spark Streaming Guid中,提到: dstream.foreachRDD { rdd => rdd.foreachPartition { partitionO
1.Spring整合JDBC (1)导包(共12个): c3p0连接池.JDBC驱动(4个) Spring-jdbc.Spring-tx事务(2个) (2)JDBC模板对象(JDBCTemplate) public class JDBCDemo { public void test() throws PropertyVetoException { ComboPooledDataSource comboPooledDataSource=new ComboPooledDataSource(); co