Table of Contents
前言
一、下载集群版mysql
二、配置MySQL集群
1、首先将下载压缩包解压到每台电脑的C:/mysql目录下:
2、配置管理节点
3、配置数据节点" >3、配置数据节点
三、启动MySQL集群" >三、启动MySQL集群
1、启动管理节点:" >1、启动管理节点:
2、启动每个数据节点:" >2、启动每个数据节点:
3、启动每个sql节点:" >3、启动每个sql节点:
4、查看每个节点的状态:" >4、查看每个节点的状态:
三、测试MySQL集群" >三、测试MySQL集群
1、在sql节点A建立数据库并插入数据:" >1、在sql节点A建立数据库并插入数据:
2、在sql节点B也可以查询到数据。" >2、在sql节点B也可以查询到数据。
Home Database Mysql Tutorial 在Windows环境下配置MySQL集群_MySQL

在Windows环境下配置MySQL集群_MySQL

Jun 02, 2016 am 08:49 AM
environment cluster

前言


最近在项目中用到了MySQL集群,所以就和小伙伴们研究了两天。下面给大家分享一下成果。

小编始终觉得对新事物的学习,没有比看图这种方式更好地理解了。所以先来看一张mysql集群的架构图(摘自百度百科-MySQL Cluster):

这里写图片描述

上图一共分了四层:Applications、SQL、Storage、Management。
如果您的英语不是体育老师教的的话,那么您肯定已经猜出来每一层的职责了:

—–Applications主要是指需要连接数据库的应用程序;
—–SQL中每一个mysqld都是一个sql节点,Applications需要通过连接sql节点来存储数据,您可以把它看成应用程序与数据库集群进行数据交换的大门
—–Storage有‘仓库’的意思,所以数据都是存在数据节点(ndbd)中的,而且每个数据节点的数据都是一致的,都是一整套最新的数据
—–Management中就是管理节点,一个MySQL中只有一个管理节点,用来管理其他节点

综上所述,一个MySQL集群中包括三种节点(不包括Applications):管理节点、数据节点,sql节点。


一、下载集群版mysql

下载mysql-cluster-gpl-7.4.7-win32或mysql-cluster-gpl-7.4.7-winx64

下载地址:http://yunpan.cn/cd892RtysQ3Vk (提取码:45c8)
MySQL官网下载地址:http://dev.mysql.com/downloads/cluster/


二、配置MySQL集群

需要用三台机器(没有条件的朋友可以考虑用虚拟机),一台配置管理节点:另外两台每台配置一个数据节点和一个SQL节点(也可以用五台计算机,每台计算机配置一个节点):
管理节点:192.168.25.50
数据节点A:192.168.25.49
数据节点B:192.168.25.48
SQL节点A:192.168.25.49
SQL节点B:192.168.25.48

1、首先将下载压缩包解压到每台电脑的C:/mysql目录下:

这里写图片描述

当然放在其他盘的目录里也可以。

2、配置管理节点

在配置管理节点(192.168.25.50)的计算机上的C:\Mysql\Bin目录下建立cluster-logs和config两个文件夹。cluster-logs用来存储日志文件,在config文件夹中建立my.ini和config.ini两个配置文件:

my.ini

<code class="hljs ruby">[mysql_cluster] 
# Options for management node process 
config-file=C:/mysql/bin/config/config.ini</code>
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config.ini

<code class="hljs ruby"><code class="hljs ruby">[ndbd default] 
# Options affecting ndbd processes on all data nodes: 
NoOfReplicas=2                      # Number of replicas 
DataDir=C:/mysql/bin/cluster-data   # Directory for each data node&#39;s data files 
                                    # Forward slashes used in directory path, 
                                    # rather than backslashes. This is correct; 
                                    # see Important note in text 

DataMemory=80M                      # Memory allocated to data storage 
IndexMemory=18M                     # Memory allocated to index storage 
                                    # For DataMemory and IndexMemory, we have used the 
                                    # default values. Since the "world" database takes up 
                                    # only about 500KB, this should be more than enough for 
                                    # this example Cluster setup.

[ndb_mgmd] 
# Management process options: 
HostName=192.168.25.50              # Hostname or IP address of management node 
DataDir=C:/mysql/bin/cluster-logs   # Directory for management node log files

[ndbd] 
# Options for data node "A":     
HostName=192.168.25.49              # Hostname or IP address

[ndbd] 
# Options for data node "B":
HostName=192.168.25.48              # Hostname or IP address

[mysqld] 
# SQL node A options:
HostName=192.168.25.49              # Hostname or IP address

[mysqld] 
# SQL node B options:
HostName=192.168.25.48              # Hostname or IP address</code></code>
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<code class="hljs ruby">3、配置数据节点

<code class="hljs ruby">在配置数据节点(192.168.25.48、192.168.25.49)的计算机上的C:\Mysql\Bin目录下建立cluster-data文件夹,用来存放数据:

<code class="hljs ruby">SQL节点不用任何配置,至此,整个MySQL集群就搭建完成了。

<code class="hljs ruby">三、启动MySQL集群


<code class="hljs ruby">启动MySQL集群时,有一个启动顺序:先启动管理节点,再启动数据节点,再启动sql节点。

<code class="hljs ruby">1、启动管理节点:

<code class="hljs ruby">在cmd中运行如下命令

<code class="hljs ruby"><code class="hljs ruby"><code class="hljs tex">c:\mysql\bin\ndb_mgmd.exe --configdir=c:\mysql\bin\config --config-file=c:\mysql\bin\config\config.ini --ndb-nodeid=1 --reload &ndash;initial</code></code></code>
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<code class="hljs ruby"><code class="hljs tex"><img src="/static/imghw/default1.png" data-src="http://img.bitscn.com/upimg/allimg/c150828/1440K00Q50-3M20.jpg" class="lazy" alt="这里写图片描述" title="\" />

<code class="hljs ruby"><code class="hljs tex">2、启动每个数据节点:

<code class="hljs ruby"><code class="hljs tex">在cmd中运行如下命令:

<code class="hljs ruby"><code class="hljs ruby"><code class="hljs tex"><code class="hljs tex">c:\mysql\bin\ndbd.exe --ndb-connectstring=192.168.25.50</code></code></code></code>
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<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><img src="/static/imghw/default1.png" data-src="http://img.bitscn.com/upimg/allimg/c150828/1440K00QF310-4B34.jpg" class="lazy" alt="这里写图片描述" title="\" />

<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex">3、启动每个sql节点:

<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex">在cmd中运行如下命令:

<code class="hljs ruby"><code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck">c:\mysql\bin\mysqld.exe --ndbcluster --ndb-connectstring=192.168.25.50 --console</code></code></code></code></code>
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<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><img src="/static/imghw/default1.png" data-src="http://img.bitscn.com/upimg/allimg/c150828/1440K00Q921Z-55413.jpg" class="lazy" alt="这里写图片描述" title="\" />

<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck">现在整个MySQL集群就已经启动了。

<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck">4、查看每个节点的状态:

<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck">在管理节点所在计算机上(192.168.25.50)打开ndb_mgm.exe,或者直接在cmd中运行

<code class="hljs ruby"><code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex">c:\mysql\bin\ndb_mgm</code></code></code></code></code></code>
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<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex">执行&ldquo;show&rdquo;命令,可以查看到每个节点的连接状态:

<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex"><img src="/static/imghw/default1.png" data-src="http://img.bitscn.com/upimg/allimg/c150828/1440K00R15620-A262.jpg" class="lazy" alt="这里写图片描述" title="\" />

<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex">这就表明每个节点均连接正常。下面测试数据。

<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex">三、测试MySQL集群


<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex">1、在sql节点A建立数据库并插入数据:

<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex">在sql节点A的计算机上(192.168.25.49)的cmd中运行C:\mysql\bin\mysql.exe -u root -p命令登录mysql,接下来需要输入密码时,密码默认为空(直接回车)。

<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex">创建数据库并插入数据:<br /> &mdash;&ndash;创建名为&rdquo;MySQL_Cluster_Test&rdquo;的数据库:

<code class="hljs ruby"><code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex"><code class="hljs sql"> create database MySQL_Cluster_Test;</code></code></code></code></code></code></code>
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<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex"><code class="hljs sql">&mdash;&ndash;创建表&rdquo;T_User&rdquo;:

<code class="hljs ruby"><code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex"><code class="hljs sql"><code class="hljs sql">use MySQL_Cluster_Test;
create table T_User(Name varchar(32),Age int) engine=ndbcluster;</code></code></code></code></code></code></code></code>
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<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex"><code class="hljs sql"><code class="hljs sql">注意建表语句后面一定要加上 engine=ndbcluster

<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex"><code class="hljs sql"><code class="hljs sql">&mdash;&ndash;插入数据:

<code class="hljs ruby"><code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex"><code class="hljs sql"><code class="hljs sql"><code class="hljs sql">insert into T_User values(&#39;DannyHoo&#39;,26);</code></code></code></code></code></code></code></code></code>
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<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex"><code class="hljs sql"><code class="hljs sql"><code class="hljs sql">&mdash;&ndash;查询数据:

<code class="hljs ruby"><code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex"><code class="hljs sql"><code class="hljs sql"><code class="hljs sql"><code class="hljs sql">select * from T_User;</code></code></code></code></code></code></code></code></code></code>
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<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex"><code class="hljs sql"><code class="hljs sql"><code class="hljs sql"><code class="hljs sql"><img src="/static/imghw/default1.png" data-src="http://img.bitscn.com/upimg/allimg/c150828/1440K00R32Q0-L038.jpg" class="lazy" alt="这里写图片描述" title="\">

<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex"><code class="hljs sql"><code class="hljs sql"><code class="hljs sql"><code class="hljs sql">2、在sql节点B也可以查询到数据。

<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex"><code class="hljs sql"><code class="hljs sql"><code class="hljs sql"><code class="hljs sql">同样在sql节点B的计算机上(192.168.25.48)的cmd中运行C:\mysql\bin\mysql.exe -u root -p命令登录mysql。

<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex"><code class="hljs sql"><code class="hljs sql"><code class="hljs sql"><code class="hljs sql">执行 show databases; 命令可以查看到在sql节点A新建的数据库;<br> 执行use MySQL_Cluster_Test;<br>     select * from T_User;<br> 可以查询到在sql节点A插入的数据。

<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex"><code class="hljs sql"><code class="hljs sql"><code class="hljs sql"><code class="hljs sql"><img src="/static/imghw/default1.png" data-src="http://img.bitscn.com/upimg/allimg/c150828/1440K00R56250-Y330.jpg" class="lazy" alt="这里写图片描述" title="\">


<code class="hljs ruby"><code class="hljs tex"><code class="hljs tex"><code class="hljs brainfuck"><code class="hljs tex"><code class="hljs sql"><code class="hljs sql"><code class="hljs sql"><code class="hljs sql">到这里,整个集群的搭建和测试就完成了。假如一个数据节点宕机,并不会影响整个集群的运行,任何一个数据节点死掉甚至物理损坏都不用担心,因为每个数据节点保存的数据都是完整的一份数据(在你操作数据的时候,它早就自动为你把最新的数据备份到每一个数据节点上啦)。你可以测试一下,这时手动停止某个数据节点和sql节点,另外一个数据节点和sql节点还会正常运行。当你把停止的数据节点和sql节点重新启动时,会发现又重新连接到集群里了,而且每个数据节点的数据都是最新的。

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