搭建基于MySQL的读写分离工具Amoeba

[root@localhost tools]# tar xf jdk-7u79-linux-x64.tar.gz

[root@localhost tools]# vim /etc/profile      ##编辑jdk需要的环境变量；
export JAVA_HOME=/root/tools/jdk1.7.0_79
export JRE_HOME=/root/tools/jdk1.7.0_79/jre
export PATH=/root/tools/jdk1.7.0_79/bin:$PATH
export CLASSAPTH=./:/root/tools/jdk1.7.0_79/lib:/root/tools/jdk1.7.0_79/lib

[root@localhost tools]# java -version        ##检测jdk是否安装成功，出现如下信息算安装成功；
java version "1.7.0_79"
Java(TM) SE Runtime Environment (build 1.7.0_79-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.79-b02, mixed mode)

[root@localhost tools]# mkdir /usr/local/amoeba       ##创建一个目录用来放amoeba的软件；

https://sourceforge.net/projects/amoeba/       ##windows主机登录网址到网页中部的地方下载 Released /OldFiles/amoeba-mysql-0.19.zip，通过xshell自带FTP工具放到服务器上；

[root@localhost amoeba]# cd /usr/local/amoeba/
[root@localhost amoeba]# unzip amoeba-mysql-0.19.zip

[root@localhost amoeba]# ls
LICENSE.txt README.html amoeba-mysql-0.19.zip bin build.xml conf doc lib logs src ##主要用到的目录是conf这个配置目录；

[root@localhost conf]# ls
access_list.conf amoeba.dtd amoeba.xml function.dtd functionMap.xml log4j.dtd log4j.xml rule.dtd rule.xml ruleFunctionMap.xml

[root@localhost conf]# vim amoeba.xml

<?xml version="1.0" encoding="gbk"?>

<!DOCTYPE amoeba:configuration SYSTEM "amoeba.dtd">
<amoeba:configuration xmlns:amoeba="http://amoeba.meidusa.com/">

<server>
<!-- proxy server°樵???-->
<property name="port">3306</property>       ##配置的是Amoeba的服务端口，这里用3306就可以，默认的是8806；

<!-- proxy server°樵éP -->
<property name="ipAddress">10.10.10.30</property>      ##配置的是Amoeba服务器的IP地址，默认的是127.0.0.1，改为物理网卡上的IP地址；

<!-- proxy server net IO Read thread size -->
<property name="readThreadPoolSize">100</property> ##下面的四个数字可以调大一点；

<!-- proxy server client process thread size -->
<property name="clientSideThreadPoolSize">100</property>

<!-- mysql server data packet process thread size -->
<property name="serverSideThreadPoolSize">200</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>

<!-- ????μ??§? -->
<property name="user">root</property>        ##配置客户端通过Amoeba连接数据库的用户，默认的是root；

<property name="password">xyp123123</property>     ##配置的是客户端通过Amoeba连接数据库的密码，默认是被注释掉的；

</server>

<dbServer name="server1"> ##定义mysql池的名字；

<!-- PoolableObjectFactory?Ж` -->
<factoryConfig>
<className>com.meidusa.amoeba.mysql.net.MysqlServerConnectionFactory</className>
<property name="manager">defaultManager</property>

<!-- ??mysql??????-->
<property name="port">3306</property>   ##主库的端口号；

<!-- ??mysql???? -->
<property name="ipAddress">10.10.10.20</property> ##主库的IP地址；
<property name="schema">xyp</property>	##需要进行操作的库；

<!-- ??μ??mysqlμ??§? -->
<property name="user">amoeba</property>	  ##用于Amoeba连接数据库的用户；

<!-- ??μ??mysqlμ??鞭->

<property name="password">123123</property>   ##用于Amoeba连接数据库的密码；

</factoryConfig>

<!-- ObjectPool?Ж` -->
<poolConfig>
<className>com.meidusa.amoeba.net.poolable.PoolableObjectPool</className>   ##这里的不用动；
<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 name="server2">   ##定义从库的池；

<!-- PoolableObjectFactory?Ж` -->
<factoryConfig>
<className>com.meidusa.amoeba.mysql.net.MysqlServerConnectionFactory</className>
<property name="manager">defaultManager</property>

<!-- ??mysql??????-->
<property name="port">3307</property>   ##从库端口；

<!-- ??mysql???? -->
<property name="ipAddress">10.10.10.20</property> ##从库ip地址；
<property name="schema">xyp</property>	 ##从库上需要进行操作的库；

<!-- ??μ??mysqlμ??§? -->
<property name="user">amoeba</property>	   ##amoeba连接从库的用户；

<!-- ??μ??mysqlμ??鞭->

<property name="password">123123</property>   ##amoeba连接从库的密码；

</factoryConfig>

<!-- ObjectPool?Ж` -->
<poolConfig>
<className>com.meidusa.amoeba.net.poolable.PoolableObjectPool</className>    ##下面的不用动；
<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="master" virtual="true">    ##定义操作的池，master为主库
<poolConfig>
<className>com.meidusa.amoeba.server.MultipleServerPool</className>
<!-- ?o???? 1=ROUNDROBIN , 2=WEIGHTBASED -->
<property name="loadbalance">1</property>

<!-- 2??pool?o???poolName±?oo???->
<property name="poolNames">server1</property>   ##调用上面主库的池；
</poolConfig>
</dbServer>

<dbServer name="slave" virtual="true">   ##定义从库的池，名字为slave；
<poolConfig>
<className>com.meidusa.amoeba.server.MultipleServerPool</className>
<!-- ?o???? 1=ROUNDROBIN , 2=WEIGHTBASED -->
<property name="loadbalance">1</property>

<!-- 2??pool?o???poolName±?oo???->
<property name="poolNames">server2</property>    ##调用上面从库的池；
</poolConfig>
</dbServer>

</dbServerList>


<queryRouter>
<className>com.meidusa.amoeba.mysql.parser.MysqlQueryRouter</className>
<property name="ruleConfig">${amoeba.home}/conf/rule.xml</property>
<property name="functionConfig">${amoeba.home}/conf/functionMap.xml</property>
<property name="ruleFunctionConfig">${amoeba.home}/conf/ruleFunctionMap.xml</property>
<property name="LRUMapSize">1500</property>
<property name="defaultPool">master</property>   ##默认的池的名字；


<property name="writePool">master</property>   ##写的池的名字；
<property name="readPool">slave</property>	##读的池的名字；

<property name="needParse">true</property>
</queryRouter>

[root@localhost conf]# chmod +x -R /usr/local/amoeba/bin/ ##给启动命令amoeba授权；

[root@localhost amoeba]# /usr/local/amoeba/bin/amoeba & ##后台启动；
log4j:WARN log4j config load completed from file:/usr/local/amoeba/conf/log4j.xml ##这条信息不是报错，属于正常现象；

[root@localhost amoeba]# jobs ##查看后台启动的服务；
[1]- Running ../bin/amoeba & (wd: /usr/local/amoeba/conf)

[root@localhost~]# mysql -uroot -pxyp123123 -h 10.10.10.30     ##通过客户端去连接amoeba服务器来登录到mysql；

mysql> show databases;      ##查看数据库，已经存在需要配置的库xyp；
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| test |
| xyp |
+--------------------+
5 rows in set (0.02 sec)

去从库上停掉slave，方便测试；

mysql> use xyp
Database changed
mysql> create table student(id int(10) not null,name char(20) not null,age int(2) not null);      ##在库里面创建一个表；

mysql> insert into student values(1,‘x‘,23);     ##插入一条信息做测试；

mysql> select * from xyp.student;     ##先去主库上去查，有数据；
+----+------+-----+
| id | name | age |
+----+------+-----+
| 1 | x | 23 |
+----+------+-----+
1 row in set (0.02 sec)

mysql> select * from xyp.student;     ##在amoeba上通过select去查结果没东西，因为从库的状态是停掉的
Empty set (0.01 sec)

mysql> start slave; ##在从库上把状态打开；
Query OK, 0 rows affected (0.00 sec)

mysql> select * from xyp.student;     ##在从amoeba上查看，数据已经被同步过来了；
+----+------+-----+
| id | name | age |
+----+------+-----+
| 1 | x | 23 |
+----+------+-----+
1 row in set (0.02 sec)