-
安装MySQL yum源
yum localinstall http://repo.mysql.com//mysql57-community-release-el7-7.noarch.rpm
-
修改源
vi /etc/yum.repos.d/mysql-community.repo [mysql-connectors-community] name=MySQL Connectors Community baseurl=http://repo.mysql.com/yum/mysql-connectors-community/el/7/$basearch/ enabled=0 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql[mysql-tools-community] name=MySQL Tools Community baseurl=http://repo.mysql.com/yum/mysql-tools-community/el/7/$basearch/ enabled=0 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql# Enable to use MySQL 5.5 [mysql55-community] name=MySQL 5.5 Community Server baseurl=http://repo.mysql.com/yum/mysql-5.5-community/el/7/$basearch/ enabled=0 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql# Enable to use MySQL 5.6 [mysql56-community] name=MySQL 5.6 Community Server baseurl=http://repo.mysql.com/yum/mysql-5.6-community/el/7/$basearch/ enabled=1 # 启用5.6 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql[mysql57-community] name=MySQL 5.7 Community Server baseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/7/$basearch/ enabled=0 # 禁用5.7 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
-
刷新源
yum repolist enabled | grep mysql
-
安装MySQL
yum install mysql-community-server
-
启动MySQL
systemctl start mysqld #启动MySQLDB systemctl stop mysqld #停止MySQLDB systemctl restart mysqld #重启MySQLDB systemctl enable mysqld #设置开机启动`
-
配置多实例
-
初始化实例目录
mysql_install_db --datadir=/var/lib/mysql/3306 --user=mysql mysql_install_db --datadir=/var/lib/mysql/3307 --user=mysql
-
修改配置
vi /etc/my.cnf [client] default-character-set = utf8[mysqld_multi] mysqld = /usr/bin/mysqld_safe mysqladmin = /usr/bin/mysqladmin user = root log = /var/log/mysqld.multi.log[mysqld1] user=mysql port=3306 datadir=/var/lib/mysql/3306 socket=/var/lib/mysql/3306.sock pid-file=/tmp/mysql3306.pid log-error=/var/log/3306-error.log max_allowed_packet=1M table_open_cache=4 thread_stack=128k character_set_server=utf8 lower_case_table_names=1 server-id=1 log-bin = master3306-bin #必须开启 log-bin-index = master3306-bin.index #必须开启[mysqld2] user=mysql port=3307 datadir=/var/lib/mysql/3307 socket=/var/lib/mysql/3307.sock pid-file=/tmp/mysql3307.pid log-error=/var/log/3307-error.log max_allowed_packet=1M table_open_cache=4 thread_stack=128k character_set_server=utf8 lower_case_table_names=1 server-id=2 log-bin=mysql3307-bin relay-log = relay-log relay-log-index = relay-log-index read-only = on
-
-
启动多实例
mysqld_multi start
-
开放端口
firewall-cmd --zone=public --add-port=3306/tcp --permanent firewall-cmd --zone=public --add-port=3307/tcp --permanent firewall-cmd --reload
-
连接主库
grant replication slave on *.* to 'reply'@'localhost' identified by 'reply'; FLUSH PRIVILEGES;
-
连接从库
change master to master_host='localhost',master_user='repl',master_password='repl',master_port=3306; start slave; show slave status;## Slave_IO_Running:Yes, Slave_SQL_Running:Yes
-
测试
-
主库
create database test; -- 主库建库
-
从库
show databases; -- 从库查看
-
安装JDK
-
下载JDK
http://download.oracle.com/otn-pub/java/jdk/8u65-b17/jdk-8u65-linux-x64.tar.gz?AuthParam=1446824947_759e61ddd65fdc24639703e1929d6e21
-
解压JDK
``` tar xzvf jdk-8u65-linux-x64.tar.gz mv jdk1.8.0_65 /usr/local/ ```
-
配置环境变量
vi /etc/profile export JAVA_HOME=/usr/local/jdk1.8.0_65 export PATH=$PATH:$JAVA_HOME/bin. /etc/profile
安装Mycat
-
下载Mycat
cd /opt wget https://github.com/MyCATApache/Mycat-download/raw/master/1.4.1-DEV/Mycat-server-1.4.1-dev-20151104100146-linux.tar.gz
-
解压Mycat
tar xzvf Mycat-server-1.4.1-dev-20151104100146-linux.tar.gz
-
配置
<?xml version="1.0"?> <!DOCTYPE mycat:schema SYSTEM "schema.dtd"> <mycat:schema xmlns:mycat="http://org.opencloudb/"><schema name="TESTDB" checkSQLschema="false" sqlMaxLimit="100"><table name="t_user" dataNode="dn1,dn2,dn3" rule="auto-sharding-long" /></schema><!-- <dataNode name="dn1$0-743" dataHost="localhost1" database="db$0-743" /> --><dataNode name="dn1" dataHost="localhost1" database="db1" /><dataNode name="dn2" dataHost="localhost1" database="db2" /><dataNode name="dn3" dataHost="localhost1" database="db3" /><dataHost name="localhost1" maxCon="1000" minCon="10" balance="0"writeType="0" dbType="mysql" dbDriver="native" switchType="1" slaveThreshold="100"><heartbeat>select user()</heartbeat><!-- can have multi write hosts --><writeHost host="hostM1" url="localhost:3306" user="root"password="123456"><!-- can have multi read hosts --></writeHost><writeHost host="hostS1" url="localhost:3307" user="root"password="123456" /><!-- <writeHost host="hostM2" url="localhost:3316" user="root" password="123456"/> --></dataHost> </mycat:schema>
-
启动
cd /opt/ ./bin/mycat start && tail -200f logs/mycat.log
安装Mycat-Web
-
下载
cd /opt wget http://nexus.mycat.io/content/groups/public/io/mycat/mycat/Mycat-web/1.0-SNAPSHOT/Mycat-web-1.0-20151020.024535-7-20151020104455-linux.tar.gz
-
解压
tar xzvf Mycat-web-1.0-20151020.024535-7-20151020104455-linux.tar.gz
-
启动
cd mycat-web ./start.sh
-
访问
点击访问 IP根据实际情况