主服务器:192.168.1.126
从服务器:192.168.1.163
amoeba代理服务器:192.168.1.237
系统全部是CentOS 6.7
1、配置主从同步
1.1、修改主服务器(192.168.1.126)的my.conf配置文件
vim /etc/my.cnf
server-id:必须是唯一的,不能与其他服务器相同
1.2、重启mysql服务,在主服务器上建立帐户并授权,查看主数据库的binlog文件,以及位置
注:执行完此步骤后不要再操作主服务器的mysql,防止主服务器的状态值发生变化
1.3、修改从服务器(192.168.1.163)的my.conf配置文件
server_id = 2
relay-log = /data/mysql/relay-bin #启用中继日志
完成后重启mysql服务
[root@server ~]# /etc/init.d/mysql restart
Shutting down MySQL. SUCCESS! Starting MySQL.. SUCCESS! [root@server ~]#1.4、配置从服务器(192.168.1.163)
1.5、解锁主库(192.168.1.126)
1.6、查看状态(192.168.1.163)
主从复制配置完毕,下面配置读写分离
2、配置读写分离
2.1、在amoeba代理服务器(192.168.1.237)上安装java环境
配置java环境变量
[root@cento ~]# vim /etc/profile
JAVA_HOME=/usr/java/jdk1.8.0_20
JRE_HOME=/usr/java/jdk1.8.0_20/jreCLASS_PATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/libPATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/binexport JAVA_HOME JRE_HOME CLASS_PATH PATH[root@cento ~]# source /etc/profile
查看是否安装成功
2.2、安装amoeba
解压amoeba,移动到/usr/local/目录下
2.3、配置amoeba
dbServers.xml和amoeba.xml配置文件在百度云盘-->文档-->配置文件-->amoeba
amoeba的配置文件都在/usr/local/amoeba/conf/目录下,如果只配置读写分离,只需要配置dbServers.xml和amoeba.xml文件即可
vim /usr/local/amoeba/conf/dbServers.xml
<?xml version="1.0" encoding="gbk"?>
<!DOCTYPE amoeba:dbServers SYSTEM "dbserver.dtd">
<amoeba:dbServers xmlns:amoeba="http://amoeba.meidusa.com/"><!--
Each dbServer needs to be configured into a Pool, If you need to configure multiple dbServer with load balancing that can be simplified by the following configuration: add attribute with name virtual = "true" in dbServer, but the configuration does not allow the element with name factoryConfig such as 'multiPool' dbServer --> <dbServer name="abstractServer" abstractive="true"> <factoryConfig class="com.meidusa.amoeba.mysql.net.MysqlServerConnectionFactory"> <property name="connectionManager">${defaultManager}</property> <property name="sendBufferSize">64</property> <property name="receiveBufferSize">128</property> <!-- mysql port --> <property name="port">3306</property> #设置Amoeba要连接的mysql数据库的端口,默认是3306 <!-- mysql schema --> <property name="schema">test</property> #设置缺省的数据库,当连接amoeba时,操作表必须显式的指定数据库名,即采用dbname.tablename的方式,不支持 use dbname指定缺省库,因为操作会调度到各个后端dbserver <!-- mysql user --> <property name="user">root</property> #设置amoeba连接后端数据库服务器的账号和密码,因此需要在所有后端数据库上创建该用户,并授权amoeba服务器可连接 <property name="password">123456</property> #设置amoeba连接后端数据库服务器的账号和密码 </factoryConfig><poolConfig class="com.meidusa.toolkit.common.poolable.PoolableObjectPool">
<property name="maxActive">500</property> #最大连接数,默认500 <property name="maxIdle">500</property> #最大空闲连接数 <property name="minIdle">1</property> #最小空闲连接数 <property name="minEvictableIdleTimeMillis">600000</property> <property name="timeBetweenEvictionRunsMillis">600000</property> <property name="testOnBorrow">true</property> <property name="testOnReturn">true</property> <property name="testWhileIdle">true</property> </poolConfig> </dbServer><dbServer name="writedb" parent="abstractServer"> #设置后端可写的dbServer,这里定义为writedb,这个名字可以任意命名,后面还会用到
<factoryConfig> <!-- mysql ip --> <property name="ipAddress">192.168.1.126</property> #设置后端可写服务器IP </factoryConfig> </dbServer> <dbServer name="slave" parent="abstractServer"> #设置后端可读dbserver <factoryConfig> <!-- mysql ip --> <property name="ipAddress">192.168.1.163</property> #设置后端可读服务器IP </factoryConfig> </dbServer> <dbServer name="myslave" virtual="true"> #设置定义一个虚拟的dbserver,实际上相当于一个dbserver组,这里将可读的数据库ip统一放到一个组中,将这个组的名字命名为myslave <poolConfig class="com.meidusa.amoeba.server.MultipleServerPool"> <!-- Load balancing strategy: 1=ROUNDROBIN , 2=WEIGHTBASED , 3=HA--> <property name="loadbalance">1</property> #选择调度算法,1表示复制均衡,2表示权重,3表示HA, 这里选择1 <!-- Separated by commas,such as: server1,server2,server1 --> <property name="poolNames">slave</property> #myslave组成员 </poolConfig> </dbServer></amoeba:dbServers>vim /usr/local/amoeba/conf/amoeba.xml
<?xml version="1.0" encoding="gbk"?>
<!DOCTYPE amoeba:configuration SYSTEM "amoeba.dtd">
<amoeba:configuration xmlns:amoeba="http://amoeba.meidusa.com/"><proxy>
<!-- service class must implements com.meidusa.amoeba.service.Service --> <service name="Amoeba for Mysql" class="com.meidusa.amoeba.mysql.server.MySQLService"> <!-- port --> <property name="port">8066</property> #设置amoeba监听的端口,默认是8066 <!-- bind ipAddress --> <!-- <property name="ipAddress">127.0.0.1</property> #配置监听的接口,如果不设置,默认监听所有的IP --> <property name="connectionFactory"> <bean class="com.meidusa.amoeba.mysql.net.MysqlClientConnectionFactory"> <property name="sendBufferSize">128</property> <property name="receiveBufferSize">64</property> </bean> </property> <property name="authenticateProvider"> <bean class="com.meidusa.amoeba.mysql.server.MysqlClientAuthenticator"> <property name="user">root</property># 提供客户端连接amoeba时需要使用这里设定的账号 (这里的账号密码和amoeba连接后端数据库服务器的密码无关) <property name="password">123456</property> <property name="filter"> <bean class="com.meidusa.toolkit.net.authenticate.server.IPAccessController"> <property name="ipFile">${amoeba.home}/conf/access_list.conf</property> </bean> </property> </bean> </property> </service> <runtime class="com.meidusa.amoeba.mysql.context.MysqlRuntimeContext"> <!-- proxy server client process thread size --> <property name="executeThreadSize">128</property> <!-- per connection cache prepared statement size --> <property name="statementCacheSize">500</property> <!-- default charset --> <property name="serverCharset">utf8</property> <!-- query timeout( default: 60 second , TimeUnit:second) --> <property name="queryTimeout">60</property> </runtime> </proxy> <!-- Each ConnectionManager will start as thread manager responsible for the Connection IO read , Death Detection --> <connectionManagerList> <connectionManager name="defaultManager" class="com.meidusa.toolkit.net.MultiConnectionManagerWrapper"> <property name="subManagerClassName">com.meidusa.toolkit.net.AuthingableConnectionManager</property> </connectionManager> </connectionManagerList> <!-- default using file loader --> <dbServerLoader class="com.meidusa.amoeba.context.DBServerConfigFileLoader"> <property name="configFile">${amoeba.home}/conf/dbServers.xml</property> </dbServerLoader> <queryRouter class="com.meidusa.amoeba.mysql.parser.MysqlQueryRouter"> <property name="ruleLoader"> <bean class="com.meidusa.amoeba.route.TableRuleFileLoader"> <property name="ruleFile">${amoeba.home}/conf/rule.xml</property> <property name="functionFile">${amoeba.home}/conf/ruleFunctionMap.xml</property> </bean> </property> <property name="sqlFunctionFile">${amoeba.home}/conf/functionMap.xml</property> <property name="LRUMapSize">1500</property> <property name="defaultPool">writedb</property> #设置amoeba默认的池,这里设置为writedb <property name="writePool">writedb</property> #这两个选项默认是注销掉的,需要取消注释,这里用来指定前面定义好的俩个读写池 <property name="readPool">slave</property> #这两个选项默认是注销掉的,需要取消注释,这里用来指定前面定义好的俩个读写池<property name="needParse">true</property>
</queryRouter></amoeba:configuration>2.4、修改JDK配置,否则启动amoeba会报错
[root@cento ~]# vim /usr/local/amoeba/jvm.properties
原: JVM_OPTIONS="-server -Xms256m -Xmx1024m -Xss196k -XX:PermSize=16m -XX:MaxPermSize=96m"
改为:JVM_OPTIONS="-server -Xms1024m -Xmx1024m -Xss256k -XX:PermSize=16m -XX:MaxPermSize=96m"
启动amoeda服务
查看端口
2.5、测试
远程登录mysql通过amoeba中指定的用户名、密码、IP、端口连接mysql数据库