| 您的当前位置:首页 --> MYSQL教程 --> MySQL 读写分离实例详解 |
| MYSQL教程 MySQL 读写分离实例详解 |
| 浏览次数:1486 关键词 ( ) |
| 查看使用该CPU的产品 查看CPU天梯 |
| CPU型号:MySQL 读写分离实例详解 |
| 主频:Ghz |
| 睿频:Ghz |
| 核心数:个 |
| 不支持超核心 |
| 制作工艺: |
| 插槽类型: |
| 功耗:0W |
| L3缓存:0MB |
| 支持最大内存: 0GB |
| CPU详细参数 |
|
MySQL 读写分离 MySQL读写分离又一好办法 使用 com.mysql.jdbc.ReplicationDriver 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 说明文档:http://dev.mysql.com/doc/refman/5.1/en/connector-j-reference-replication-connection.html 代码例子:
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");
.......
}
}
感谢阅读,希望能帮助到大家,谢谢大对本站的支持! |
| 下一个产品 SQL计算timestamp的差值的方法 上一个产品 Docker mysql 主从配置详解及实例 |