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HomeDatabaseMysql Tutorial【预编译二进制源码安装】MySQL Cluster 7.3.5 集群配置实例_MySQL

Mysql集群

一、环境说明: CentOS6.3(32位) + MySQL Cluster 7.3.5,规划5台机器,资料如下:

节点分布情况:

MGM:192.168.10.102

NDBD1:192.168.10.101

NDBD2:192.168.10.99

SQL1:192.168.10.98

SQL2:192.168.10.97

二、下载安装包:

主要有三种类型的安装包:1:rpm安装包;2:预编译二进制安装包; 3:源码包。 这里选择第二种安装包“预编译二进制安装包”,它只需要解压即可。

先官网下载页面http://dev.mysql.com/downloads/cluster/ ,选择 Linux - Generic 下面的 mysql-cluster-gpl-7.3.5-linux-glibc2.5-i686.tar.gz 这个安装包!

注意:我的CentOS是32位的,如果是64位系统则应该下载64位的安装包 mysql-cluster-gpl-7.3.5-linux-glibc2.5-x86_64.tar.gz

三、环境清理(在各台服务器上都要执行)

清除MySQL旧版本:

首先使用如下命令来清理之前操作系统自带的MySQL安装:

yum -y remove mysql

然后使用如下命令:

[root@localhost src]#

 rpm -qa | grep mysql*

mysql-libs-5.1.61-4.el6.i686

apr-util-mysql-1.3.9-3.el6_0.1.i686

对于找到的2个剩余MySQL包,按照如下的命令格式予以删除:

rpm  -e  --nodeps  mysql-libs-5.1.61-4.el6.i686

rpm  -e  --nodeps  apr-util-mysql-1.3.9-3.el6_0.1.i686

四、软件准备(在各台服务器上都要执行)

4.1 将 mysql-cluster-gpl-7.3.5-linux-glibc2.5-i686.tar.gz 上传到各服务器的某个目录下(如/usr/local/src) 下面,然后解压并移到/usr/local/mysql目录下

tar  -xzvf   /usr/local/src/mysql-cluster-gpl-7.3.5-linux-glibc2.5-i686.tar.gz

mv  /usr/local/src/mysql-cluster-gpl-7.3.5-linux-glibc2.5-i686/*   /usr/local/mysql

4.2 新建mysql用户及用户组:

groupadd mysql

useradd -g mysql -s /usr/sbin/nologin mysql

chown -R mysql:mysql /usr/local/mysql

4.3安装 My Cluster:

cd /usr/local/mysql

./scripts/mysql_install_db --user=mysql --datadir=/usr/local/mysql/data

五、配置节点

5.1 配置管理节点(192.168.10.102)

#新建配置文件存放目录

mkdir /usr/local/etc

chown mysql:mysql /usr/local/mysql/etc

#创建配置文件 config.ini

vim /usr/local/mysql/etc/config.ini

config.ini内容如下:

[ndb_mgmd default]datadir = /usr/local/mysql/data

[ndbd default]

NoOfReplicas = 2

DataMemory = 3G

IndexMemory = 1G

datadir = /usr/local/mysql/data

[ndb_mgmd]

NodeId = 1

hostname = 192.168.10.102

[ndbd]

NodeId = 11  

hostname = 192.168.10.101

[ndbd]

NodeId = 12

hostname = 192.168.10.99

[mysqld]

NodeId = 81

hostname = 192.168.10.98

[mysqld]

NodeId = 82

hostname = 192.168.10.97

[mysqld]

5.2 配置数据节点(192.168.10.101、192.168.10.99)

vim /etc/my.cnf

my.cnf内容如下:

[mysqld]

ndbcluster

ndb-connectstring = 192.168.10.102

[mysql_cluster]ndb-connectstring = 192.168.10.102

5.3 配置SQL节点(192.168.10.98、192.168.10.97)

vim /etc/my.cnf

my.cnf内容如下:

[mysqld]

basedir = /usr/local/mysql

datadir = /usr/local/mysql/data

ndbclusterndb-connectstring = 192.168.10.102

[mysql_cluster]ndb-connectstring = 192.168.10.102

六、启动节点

启动需要按照如下顺序进行:Management Node > Data Node > SQL Node

6.1启动管理节点(192.168.10.102)

/usr/local/mysql/bin/ndb_mgmd -f /usr/local/etc/config.ini

其他常用操作:

#查看ndb_mgmd是否启动

[root@localhost mysql]#

ps -ef | grep ndb_mgmd

root      2948     1  1 23:47 ?        00:00:03 /usr/local/mysql/bin/ndb_mgmd -f /usr/local/mysql/etc/config.ini

root      2984  2073  0 23:52 pts/0    00:00:00 grep ndb_mgmd

[root@localhost mysql]# 

#ndb_mgmd默认启动1186端口

[root@localhost mysql]#

netstat -ntlp | grep ndb_mgmd

tcp        0      0 0.0.0.0:1186                0.0.0.0:*                   LISTEN      2948/ndb_mgmd       

[root@localhost mysql]#

#查看集群状态

[root@localhost mysql]#

/usr/local/mysql/bin/ndb_mgm

-- NDB Cluster -- Management Client --

ndb_mgm> show

Connected to Management Server at: localhost:1186

Cluster Configuration

---------------------

[ndbd(NDB)]    2 node(s)

id=11 (not connected, accepting connect from 192.168.10.101)

id=12 (not connected, accepting connect from 192.168.10.99)

[ndb_mgmd(MGM)]    1 node(s)id=1    @192.168.10.102  (mysql-5.6.17 ndb-7.3.5)

[mysqld(API)]    3 node(s)

id=81 (not connected, accepting connect from 192.168.10.98)

id=82 (not connected, accepting connect from 192.168.10.97)

id=83 (not connected, accepting connect from any host)

参考:

【百度百科】MySQL Cluster

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