Mysql学习MySQL 读写分离实例详解
《Mysql学习MySQL 读写分离实例详解》要点: MYSQL教程MySQL 读写分离 MYSQL教程MySQL读写分离又一好方法 使用 com.mysql.jdbc.ReplicationDriver MYSQL教程在用过Amoeba 和 Cobar,还有dbware 等读写分离组件后,今天我的一个好朋友跟我讲,MySQL自身的也是可以读写分离的,因为他们提供了一个新的驱动,叫 com.mysql.jdbc.ReplicationDriver MYSQL教程说明文档:http://dev.mysql.com/doc/refman/5.1/en/connector-j-reference-replication-connection.html MYSQL教程?代码例子: MYSQL教程
import java.sql.Connection;
import java.sql.ResultSet;
import java.util.Properties;
import com.mysql.jdbc.ReplicationDriver;
public class ReplicationDriverDemo {
public static void main(String[] args) throws Exception {
ReplicationDriver driver = new ReplicationDriver();
Properties props = new Properties();
// We want this for failover on the slaves
props.put("autoReconnect","true");
// We want to load balance between the slaves
props.put("roundRobinLoadBalance","true");
props.put("user","foo");
props.put("password","bar");
//
// Looks like a normal MySQL JDBC url,with a
// comma-separated list of hosts,the first
// being the 'master',the rest being any number
// of slaves that the driver will load balance against
//
Connection conn =
driver.connect("jdbc:mysql:replication://master,slave1,slave2,slave3/test",props);
//
// Perform read/write work on the master
// by setting the read-only flag to "false"
//
conn.setReadOnly(false);
conn.setAutoCommit(false);
conn.createStatement().executeUpdate("UPDATE some_table ....");
conn.commit();
//
// Now,do a query from a slave,the driver automatically picks one
// from the list
//
conn.setReadOnly(true);
ResultSet rs =
conn.createStatement().executeQuery("SELECT a,b FROM alt_table");
.......
}
}
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