# 安裝依賴
[root@host60 ~]# yum  -y   install  java-1.8.0-openjdk.x86_64
# 解壓軟件包
[root@host60 ~]# tar -xf Mycat-server-1.6-RELEASE-20161028204710-linux.tar.gz
# 移動(dòng)到local目錄下
[root@host60 ~]# mv mycat /usr/local/           
# 查看軟件包是否完整
# bin：mycat命令
# catlet：擴(kuò)展功能 
# conf：配置文件
# conf目錄下的.txt/..properties結(jié)尾：分片規(guī)則配置文件
# conf目錄下的.xml結(jié)尾：mycat服務(wù)配置文件
# lib：mycat使用的jar包
# logs：mycat啟動(dòng)日志和運(yùn)行日志
# version.txt：mycat軟件 說明文件
[root@host60 ~]# ls /usr/local/mycat/
bin  catlet  conf  lib  logs  version.txt

# 如果沒有庫名沒有要求就保持默認(rèn)
[root@host60 ~]# vim /usr/local/mycat/conf/server.xml 
# 設(shè)置root用戶讀寫都可以
<user name="root"> 用戶名
    <property name="password">123456</property> 密碼
    <property name="schemas">TESTDB</property>  虛擬庫名
</user>
# 設(shè)置user只讀權(quán)限
<user name="user"> 用戶名
    <property name="password">user</property> 密碼
    <property name="schemas">TESTDB</property> 虛擬庫名
    <property name="readOnly">true</property> 只讀訪問權(quán)限
</user> 

# schema name：虛擬庫名
<schema name="TESTDB" checkSQLschema="false" sqlMaxLimit="100">
    # table name：表名
    # dataNode：數(shù)據(jù)庫服務(wù)器名（對(duì)應(yīng)下面DataNode標(biāo)簽）
    # rule：分片規(guī)則
    # type：分片類型（global表示不分片）
    <table name="travelrecord" dataNode="dn1,dn2,dn3" 
           rule="auto-sharding-long" />
    <table name="company" primaryKey="ID" type="global" 
           dataNode="dn1,dn2,dn3" />
    <table name="goods" primaryKey="ID" type="global" 
           dataNode="dn1,dn2,dn3" />
    <table name="hotnews" primaryKey="ID" 
           autoIncrement="true" dataNode="dn1,dn2,dn3"
                          rule="mod-long" />
   <table name="employee" primaryKey="ID" dataNode="dn1,dn2,dn3"
                          rule="sharding-by-intfile" />
    <table name="customer" primaryKey="ID" dataNode="dn1,dn2,dn3"
                          rule="sharding-by-intfile">
        <childTable name="orders" primaryKey="ID" 
                    joinKey="customer_id" parentKey="id">
        <childTable name="order_items" joinKey="order_id"
                    parentKey="id" />
        </childTable>
        <childTable name="customer_addr" primaryKey="ID" 
                    joinKey="customer_id" parentKey="id" />
    </table>
</schema>

# name：節(jié)點(diǎn)名
# dataHost：數(shù)據(jù)庫服務(wù)器名
# database：數(shù)據(jù)庫服務(wù)器創(chuàng)建的數(shù)據(jù)庫名
# 定義3臺(tái)數(shù)據(jù)庫服務(wù)器的主機(jī)名（有幾臺(tái)就設(shè)置幾個(gè)節(jié)點(diǎn)）
<dataNode name="dn1" dataHost="mysql63" database="db1" />  第一臺(tái)
<dataNode name="dn2" dataHost="mysql64" database="db2" />  第二臺(tái)
<dataNode name="dn3" dataHost="mysql65" database="db3" />  第三臺(tái)

# host：數(shù)據(jù)庫服務(wù)器節(jié)點(diǎn)根據(jù)配置數(shù)據(jù)進(jìn)行hostM++遞增
# url：數(shù)據(jù)庫服務(wù)器的ip地址：mysql服務(wù)端口號(hào)
# user：數(shù)據(jù)庫服務(wù)器數(shù)據(jù)庫賬號(hào)
# password：數(shù)據(jù)庫服務(wù)器數(shù)據(jù)庫密碼
# 指定名稱叫mysql63主機(jī)的ip地址
<dataHost name="mysql63"   ...... >  
                 ......
    <writeHost host="hostM1" url="192.168.88.63:3306" 
               user="pljadmin" password="123qqq...A"> 
    </writeHost>
</dataHost>
# 指定名稱叫mysql64主機(jī)的ip地址   
<dataHost name="mysql64"   ...... > 
                 ......
    <writeHost host="hostM2" url="192.168.88.64:3306" 
               user="pljadmin" password="123qqq...A">
    </writeHost>
</dataHost>  
 # 指定名稱叫mysql65主機(jī)的ip地址  
<dataHost name="mysql65"   ...... >  
                 ......
    <writeHost host="hostM3" url="192.168.88.65:3306" 
               user="pljadmin" password="123qqq...A">
    </writeHost>
</dataHost>  

 [root@host65 mysql]# mysql -uroot -p123qqq...A  
Mysql> grant all on  *.*  to fmadmin@"%" identified by "123qqq...A";
[root@host64 mysql]# mysql -uroot -p123qqq...A 
Mysql> grant all on  *.*  to fmadmin@"%" identified by "123qqq...A";
 [root@host63 mysql]# mysql -uroot -p123qqq...A   
Mysql> grant all on  *.*  to fmadmin@"%" identified by "123qqq...A";

[root@host63 ~]# mysql -uroot -p123qqq...A 
Mysql> create database db1;
[root@host64 ~]# mysql -uroot -p123qqq...A 
Mysql>create database db2;
[root@host65 ~]# mysql -uroot -p123qqq...A 
Mysql> create database db3;

[root@mycat60 ~]# which  mysql || yum -y install mariadb
[root@mycat60 ~]# mysql -h192.168.88.63 -upljadmin  -p123qqq...A           
[root@mycat60 ~]# mysql -h192.168.88.64 -upljadmin  -p123qqq...A           
[root@mycat60 ~]# mysql -h192.168.88.65 -upljadmin  -p123qqq...A      

[root@mycat60 mycat]# /usr/local/mycat/bin/mycat  start     
Starting Mycat-server...
# 查看日志 文件
[root@mycat60  mycat]# ls /usr/local/mycat/logs/     
mycat.log  mycat.pid  wrapper.log
# 查看端口號(hào)
[root@mycat60 mycat]# netstat  -utnlp  | grep 8066   
tcp6       0      0 :::8066    :::*                    LISTEN      1808/java

# 停止服務(wù)的命令    
[root@mycat60  mycat]# /usr/local/mycat/bin/mycat  stop  
Stopping Mycat-server...
Stopped Mycat-server.

# 停止服務(wù)后查看端口號(hào)是否查詢不到
[root@mycat60 mycat]# netstat  -utnlp  | grep 8066 

# 停止服務(wù)后查看pid文件是否沒有了 
[root@mycat60 mycat]# ls /usr/local/mycat/logs/   
mycat.log  wrapper.log

# 查看日志文件獲取報(bào)錯(cuò)信息            
vim  /usr/local/mycat/logs/wrapper.log

[root@host50 ~]# mysql -h192.168.88.60 -P8066 -uroot -p123456
mysql> show databases;
+----------+
| DATABASE |
+----------+
| TESTDB   |
+----------+
1 row in set (0.00 sec)
mysql> use TESTDB;
Database changed
mysql> show  tables;
+------------------+
| Tables in TESTDB |
+------------------+
| company          |
| customer         |
| customer_addr    |
| employee         |
| goods            |
| hotnews          |
| orders           |
| order_items      |
| travelrecord     |
+------------------+
9 rows in set (0.00 sec)