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HomeDatabaseMysql TutorialMySql配置主从复制 读写分开

MySql配置主从复制 读写分开

Jun 07, 2016 pm 04:14 PM
mysqlcopyRead and writeConfiguration

MySql配置主从复制 读写分离 ? mysql版本:5.6.13 OS:windows server 2008 Master 配置 ? my.ini配置文件中 主从复制需要通过二进制日志文件进行,须开启二进制日志功能并配置Server ID ? [mysqld]log-bin=mysql-binserver-id=1 server-id 为1-2 32 ? -1 ? 之

MySql配置主从复制 读写分离

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mysql版本:5.6.13

OS:windows server 2008

Master 配置

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my.ini配置文件中

主从复制需要通过二进制日志文件进行,须开启二进制日志功能并配置Server ID

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[mysqld]
log-bin=mysql-bin
server-id=1

server-id 为1-232?-1? 之间,默认为0(拒绝所有slave

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innodb引擎耐用性增强

innodb_flush_log_at_trx_commit=1?and?sync_binlog=1

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For the greatest possible durability and consistency in a replication setup using?InnoDB?with transactions, you should use?innodb_flush_log_at_trx_commit=1?and?sync_binlog=1?in the master?my.cnf?file.

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?slave 配置

server-id=2

防止服务器主机名修改

?relay-log=mysqld-relay-bin

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master

创建具有复制权限的账户repl

GRANT REPLICATION SLAVE ON *.*
-> TO 'repl'@'remotehost.mydomain.com' IDENTIFIED BY 'slavepass';

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<span><span><span>mysql> </span></span><strong  class="userinput"><code ><span><span>FLUSH TABLES WITH READ LOCK;</span></span></code></strong></span>

对于<span><span>InnoDB</span></span>表的注意?<span><span>FLUSH TABLES WITH READ LOCK</span></span>?<span><span>COMMIT</span></span>操作。

保留客户端发出?<span><span>FLUSH TABLES</span></span>语句运行,这样,读锁仍然有效。如果你退出客户端,该锁被释放。

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?

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使用?<span><span>SHOW MASTER STATUS</span></span>语句来确定当前的二进制日志文件的名称和位置:

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<span><span><span>的mysql> </span></span><strong  class="userinput"><code ><span><span>SHOW MASTER STATUS;</span></span></code></strong></span><span><span>
<span>+ ------------------ + ---------- + -------------- + ---- -------------- +</span></span></span><span><span>
<span>|“文件”|“位置| Binlog_Do_DB | Binlog_Ignore_DB |</span></span></span><span><span>
<span>+ ------------------ + ---------- + -------------- + ---- -------------- +</span></span></span><span><span>
<span>MYSQL-bin.000003 | 73 |测试|说明书,MYSQL |</span></span></span><span><span>
<span>+ ------------------ + ---------- + -------------- + ---- -------------- +</span></span></span>

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<span><span>文件</span></span>栏显示的日志文件的名称和<span><span>位置</span></span>显示在文件中的位置。在这个例子中,二进制日志文件是?<span><span>mysql-bin.000003的</span></span>位置是73。记录这些值。你需要它们,以后当你设立的奴隶。他们表示复制坐标奴隶从主应该开始处理新的更新。

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如果主已经运行以前没有二进制日志启用,通过<span><span>SHOW MASTER STATUS</span></span>mysqldump的-主数据显示日志文件的名称和位置值将是空的。在这种情况下,你需要使用指定的奴隶的日志文件和位置后的值是空字符串(<span><span>''</span></span>)和<span><span>4</span></span>

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你现在有你需要的信息,可以让从开始读取的二进制日志在正确的位置开始复制。

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设置主从连接信息

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mysql> <span><strong  class="userinput"><code >CHANGE MASTER TO</code></strong>
    ->     <strong  class="userinput"><code >MASTER_HOST='<em  class="replaceable"><code >master_host_name</code></em>',</code></strong>
    ->     <strong  class="userinput"><code >MASTER_USER='<em  class="replaceable"><code >replication_user_name</code></em>',</code></strong>
    ->     <strong  class="userinput"><code >MASTER_PASSWORD='<em  class="replaceable"><code >replication_password</code></em>',</code></strong>
    ->     <strong  class="userinput"><code >MASTER_LOG_FILE='<em  class="replaceable"><code >recorded_log_file_name</code></em>',</code></strong>
    ->     <strong  class="userinput"><code >MASTER_LOG_POS=<em  class="replaceable"><code >recorded_log_position</code></em>;</code></strong></span>

查看连接状态 show slave status\G;

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?读写分离配置

windows设置PATH?

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创建代理 222为Master 223为只读

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<span><strong  class="userinput"><code >sc create "Proxy" DisplayName= "MySQL Proxy" start= "auto" binPath= "F:\tool\mysql-proxy-0.8.2-winx64-x86\bin\mysql-proxy-svc.exe 
--proxy-address=localhost:3306 --proxy-backend-addresses=10.133.10.222:3306 --proxy-read-only-backend-addresses=10.133.10.223:3306"
</code></strong></span>

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 <strong  class="userinput"><code ><span>net start proxy</span></code></strong>
C:\> <strong  class="userinput"><code ><span>sc delete proxy</span></code></strong>

配置完之后测试,从服务器 stop slava

通过代理进行insert操作,在进行查询。然后start slave ,主从复制没有问题。

读写分离暂时还未测试

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