构建高性能web之路------mysql读写分离实战

1. <server>  
2.     <!-- proxy server绑定的端口 -->  
3.     <property name="port">8066</property>  
4.       
5.     <!-- proxy server绑定的IP -->  
6.     <!--  
7.     <property name="ipAddress">127.0.0.1</property> 
8.      -->  
9.     <!-- proxy server net IO Read thread size -->  
10.     <property name="readThreadPoolSize">20</property>  
11.       
12.     <!-- proxy server client process thread size -->  
13.     <property name="clientSideThreadPoolSize">30</property>  
14.       
15.     <!-- mysql server data packet process thread size -->  
16.     <property name="serverSideThreadPoolSize">30</property>  
17.       
18.     <!-- socket Send and receive BufferSize(unit:K)  -->  
19.     <property name="netBufferSize">128</property>  
20.       
21.     <!-- Enable/disable TCP_NODELAY (disable/enable Nagle‘s algorithm). -->  
22.     <property name="tcpNoDelay">true</property>  
23.       
24.     <!-- 对外验证的用户名 -->  
25.     <property name="user">root</property>  
26.       
27.     <!-- 对外验证的密码 -->  
28.     <property name="password">root</property>  
29. </server>  

<server> <!-- proxy server绑定的端口 --> <property name="port">8066</property> <!-- proxy server绑定的IP --> <!-- <property name="ipAddress">127.0.0.1</property> --> <!-- proxy server net IO Read thread size --> <property name="readThreadPoolSize">20</property> <!-- proxy server client process thread size --> <property name="clientSideThreadPoolSize">30</property> <!-- mysql server data packet process thread size --> <property name="serverSideThreadPoolSize">30</property> <!-- socket Send and receive BufferSize(unit:K) --> <property name="netBufferSize">128</property> <!-- Enable/disable TCP_NODELAY (disable/enable Nagle‘s algorithm). --> <property name="tcpNoDelay">true</property> <!-- 对外验证的用户名 --> <property name="user">root</property> <!-- 对外验证的密码 --> <property name="password">root</property> </server> 

以上是proxy提供给client的连接配置

1. <dbServerList>  
2.     <dbServer name="server1">           
3.         <!-- PoolableObjectFactory实现类 -->  
4.         <factoryConfig class="com.meidusa.amoeba.mysql.net.MysqlServerConnectionFactory">  
5.             <property name="manager">defaultManager</property>  
6.               
7.             <!-- 真实mysql数据库端口 -->  
8.             <property name="port">3306</property>  
9.               
10.             <!-- 真实mysql数据库IP -->  
11.             <property name="ipAddress">10.20.147.110</property>  
12.             <property name="schema">amoeba_study</property>  
13.               
14.             <!-- 用于登陆mysql的用户名 -->  
15.             <property name="user">root</property>  
16.               
17.             <!-- 用于登陆mysql的密码 -->  
18.             <property name="password"></property>  
19.               
20.         </factoryConfig>  
21.           
22.         <!-- ObjectPool实现类 -->  
23.         <poolConfig class="com.meidusa.amoeba.net.poolable.PoolableObjectPool">  
24.             <property name="maxActive">200</property>  
25.             <property name="maxIdle">200</property>  
26.             <property name="minIdle">10</property>  
27.             <property name="minEvictableIdleTimeMillis">600000</property>  
28.             <property name="timeBetweenEvictionRunsMillis">600000</property>  
29.             <property name="testOnBorrow">true</property>  
30.             <property name="testWhileIdle">true</property>  
31.         </poolConfig>  
32.     </dbServer>  
33.     <dbServer name="server2">  
34.           
35.         <!-- PoolableObjectFactory实现类 -->  
36.         <factoryConfig class="com.meidusa.amoeba.mysql.net.MysqlServerConnectionFactory">  
37.             <property name="manager">defaultManager</property>  
38.               
39.             <!-- 真实mysql数据库端口 -->  
40.             <property name="port">3306</property>  
41.               
42.             <!-- 真实mysql数据库IP -->  
43.             <property name="ipAddress">10.20.147.111</property>  
44.             <property name="schema">amoeba_study</property>  
45.               
46.             <!-- 用于登陆mysql的用户名 -->  
47.             <property name="user">root</property>  
48.               
49.             <!-- 用于登陆mysql的密码 -->  
50.             <property name="password"></property>  
51.               
52.         </factoryConfig>  
53.           
54.         <!-- ObjectPool实现类 -->  
55.         <poolConfig class="com.meidusa.amoeba.net.poolable.PoolableObjectPool">  
56.             <property name="maxActive">200</property>  
57.             <property name="maxIdle">200</property>  
58.             <property name="minIdle">10</property>  
59.             <property name="minEvictableIdleTimeMillis">600000</property>  
60.             <property name="timeBetweenEvictionRunsMillis">600000</property>  
61.             <property name="testOnBorrow">true</property>  
62.             <property name="testWhileIdle">true</property>  
63.         </poolConfig>  
64.     </dbServer>         
65. </dbServerList>  

<dbServerList> <dbServer name="server1"> <!-- PoolableObjectFactory实现类 --> <factoryConfig class="com.meidusa.amoeba.mysql.net.MysqlServerConnectionFactory"> <property name="manager">defaultManager</property> <!-- 真实mysql数据库端口 --> <property name="port">3306</property> <!-- 真实mysql数据库IP --> <property name="ipAddress">10.20.147.110</property> <property name="schema">amoeba_study</property> <!-- 用于登陆mysql的用户名 --> <property name="user">root</property> <!-- 用于登陆mysql的密码 --> <property name="password"></property> </factoryConfig> <!-- ObjectPool实现类 --> <poolConfig class="com.meidusa.amoeba.net.poolable.PoolableObjectPool"> <property name="maxActive">200</property> <property name="maxIdle">200</property> <property name="minIdle">10</property> <property name="minEvictableIdleTimeMillis">600000</property> <property name="timeBetweenEvictionRunsMillis">600000</property> <property name="testOnBorrow">true</property> <property name="testWhileIdle">true</property> </poolConfig> </dbServer> <dbServer name="server2"> <!-- PoolableObjectFactory实现类 --> <factoryConfig class="com.meidusa.amoeba.mysql.net.MysqlServerConnectionFactory"> <property name="manager">defaultManager</property> <!-- 真实mysql数据库端口 --> <property name="port">3306</property> <!-- 真实mysql数据库IP --> <property name="ipAddress">10.20.147.111</property> <property name="schema">amoeba_study</property> <!-- 用于登陆mysql的用户名 --> <property name="user">root</property> <!-- 用于登陆mysql的密码 --> <property name="password"></property> </factoryConfig> <!-- ObjectPool实现类 --> <poolConfig class="com.meidusa.amoeba.net.poolable.PoolableObjectPool"> <property name="maxActive">200</property> <property name="maxIdle">200</property> <property name="minIdle">10</property> <property name="minEvictableIdleTimeMillis">600000</property> <property name="timeBetweenEvictionRunsMillis">600000</property> <property name="testOnBorrow">true</property> <property name="testWhileIdle">true</property> </poolConfig> </dbServer> </dbServerList> 

以上是proxy与后端各mysql数据库服务器配置信息，具体配置见注释很明白了

最后配置读写分离策略：

1. <queryRouter class="com.meidusa.amoeba.mysql.parser.MysqlQueryRouter">  
2.     <property name="LRUMapSize">1500</property>  
3.     <property name="defaultPool">server1</property>  
4.     <property name="writePool">server1</property>  
5.     <property name="readPool">server2</property>  
6.     <property name="needParse">true</property>  
7. </queryRouter>  

<queryRouter class="com.meidusa.amoeba.mysql.parser.MysqlQueryRouter"> <property name="LRUMapSize">1500</property> <property name="defaultPool">server1</property> <property name="writePool">server1</property> <property name="readPool">server2</property> <property name="needParse">true</property> </queryRouter> 

从以上配置不然发现，写操作路由到server1（master），读操作路由到server2（slave）

3）启动amoeba

在命令行里运行D:/openSource/amoeba-mysql-1.2.0-GA/amoeba.bat即可：

log4j:WARN log4j config load completed from file:D:/openSource/amoeba-mysql-1.2.0-GA/conf/log4j.xml log4j:WARN ip access config load completed from file:D:/openSource/amoeba-mysql-1.2.0-GA/conf/access_list.conf 2010-07-03 09:55:33,821 INFO  net.ServerableConnectionManager - Server listening on 0.0.0.0/0.0.0.0:8066. 三.client端调用与测试

1）编写client调用程序

具体程序细节就不详述了，只是一个最普通的基于mysql driver的jdbc的数据库操作程序

2）配置数据库连接

本client基于c3p0，具体数据源配置如下：

1. <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"  
2.     destroy-method="close">  
3.     <property name="driverClass" value="com.mysql.jdbc.Driver" />  
4.     <property name="jdbcUrl" value="jdbc:mysql://localhost:8066/amoeba_study" />  
5.     <property name="user" value="root" />  
6.     <property name="password" value="root" />  
7.     <property name="minPoolSize" value="1" />  
8.     <property name="maxPoolSize" value="1" />  
9.     <property name="maxIdleTime" value="1800" />  
10.     <property name="acquireIncrement" value="1" />  
11.     <property name="maxStatements" value="0" />  
12.     <property name="initialPoolSize" value="1" />  
13.     <property name="idleConnectionTestPeriod" value="1800" />  
14.     <property name="acquireRetryAttempts" value="6" />  
15.     <property name="acquireRetryDelay" value="1000" />  
16.     <property name="breakAfterAcquireFailure" value="false" />  
17.     <property name="testConnectionOnCheckout" value="true" />  
18.     <property name="testConnectionOnCheckin" value="false" />  
19. </bean>  

<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close"> <property name="driverClass" value="com.mysql.jdbc.Driver" /> <property name="jdbcUrl" value="jdbc:mysql://localhost:8066/amoeba_study" /> <property name="user" value="root" /> <property name="password" value="root" /> <property name="minPoolSize" value="1" /> <property name="maxPoolSize" value="1" /> <property name="maxIdleTime" value="1800" /> <property name="acquireIncrement" value="1" /> <property name="maxStatements" value="0" /> <property name="initialPoolSize" value="1" /> <property name="idleConnectionTestPeriod" value="1800" /> <property name="acquireRetryAttempts" value="6" /> <property name="acquireRetryDelay" value="1000" /> <property name="breakAfterAcquireFailure" value="false" /> <property name="testConnectionOnCheckout" value="true" /> <property name="testConnectionOnCheckin" value="false" /> </bean> 

值得注意是，client端只需连到proxy，与实际的数据库没有任何关系，因此jdbcUrl、user、password配置都对应于amoeba暴露出来的配置信息

3）调用与测试

首先插入一条数据：insert into zone_by_id(id,name) values(20003,‘name_20003‘)

通过查看master机上的日志/var/lib/mysql/mysql_log.log：

100703 11:58:42       1 Query       set names latin1                       1 Query       SET NAMES latin1                       1 Query       SET character_set_results = NULL                       1 Query       SHOW VARIABLES                       1 Query       SHOW COLLATION                       1 Query       SET autocommit=1                       1 Query       SET sql_mode=‘STRICT_TRANS_TABLES‘                       1 Query       SHOW VARIABLES LIKE ‘tx_isolation‘                       1 Query       SHOW FULL TABLES FROM `amoeba_study` LIKE ‘PROBABLYNOT‘                       1 Prepare     [1] insert into zone_by_id(id,name) values(?,?)                       1 Prepare     [2] insert into zone_by_id(id,name) values(?,?)                                 1 Execute     [2] insert into zone_by_id(id,name) values(20003,‘name_20003‘)

得知写操作发生在master机上

通过查看slave机上的日志/var/lib/mysql/mysql_log.log：

100703 11:58:42       2 Query       insert into zone_by_id(id,name) values(20003,‘name_20003‘)

得知slave同步执行了这条语句

然后查一条数据：select t.name from zone_by_id t where t.id = 20003

通过查看slave机上的日志/var/lib/mysql/mysql_log.log：

100703 12:02:00      33 Query       set names latin1                      33 Prepare     [1] select t.name from zone_by_id t where t.id = ?                      33 Prepare     [2] select t.name from zone_by_id t where t.id = ?                         33 Execute     [2] select t.name from zone_by_id t where t.id = 20003 

得知读操作发生在slave机上

并且通过查看slave机上的日志/var/lib/mysql/mysql_log.log发现这条语句没在master上执行

通过以上验证得知简单的master-slave搭建和实战得以生效

构建高性能web之路------mysql读写分离实战

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