centos6.1
Mysql版本:
mysql-cluster-gpl-7.2.6-linux2.6-x86_6
下載地址: http://cdn.mysql.com/Downloads/MySQL-Cluster-7.2/mysql-cluster-gpl-7.2.6-linux2.6-x86_64.tar.gz
對於這第一個MySQL數據庫的集羣,它由1個單一的MySQL服務引擎(mysqlds)、兩個數據節點(ndbd)和一個單一的管理節點(ndb_mgmd)共同組成,所有的節點都運行在同一臺主機上。
爲配置文件和數據文件創建必要的存儲文件夾,分別要建立如下幾個文件夾:
① /home/mysql/my_cluster
② /home/mysql/my_cluster/ndb_data
③ /home/mysql/my_cluster/mysqld_data
④ /home/mysql/my_cluster/mysqld_data/mysql
⑤ /home/mysql/my_cluster/mysqld_data/ndbinfo
⑥ /home/mysql/my_cluster/conf
具體安裝步驟:
1. 添用加戶與組mysql
- shell> groupadd mysql
- shell> useradd -r -d /home/mysql -g mysql mysql
2. 切換到mysql用戶權限下
- shell> su - mysql
3. 下載mysql cluster
- shell> wget http://cdn.mysql.com/Downloads/MySQL-Cluster-7.2/mysql-cluster-gpl-7.2.6-linux2.6-x86_64.tar.gz
- shell> tar -zxvf mysql-cluster-gpl-7.2.6-linux2.6-x86_64.tar.gz
- shell> ln -s mysql-cluster-gpl-7.2.6-linux2.6-x86_64 mysqlc
4. 安裝mysql cluster
- shell> cd /home/mysql
- shell> mkdir my_cluster my_cluster/ndb_data my_cluster/mysqld_data my_cluster/conf
- 在conf目錄添加以下2個配置文件(注意:“/home/mysql”需要替換爲你自己的用戶目錄)
- my.cnf:
- [mysqld]
- ndbcluster
- datadir=/home/mysql/my_cluster/mysqld_data
- basedir=/home/mysql/mysqlc
- port=5000
- config.ini:
- [ndb_mgmd]
- hostname=localhost
- datadir=/home/mysql/my_cluster/ndb_data
- NodeId=1
- [ndbd default]
- noofreplicas=2
- datadir=/home/mysql/my_cluster/ndb_data
- [ndbd]
- hostname=localhost
- NodeId=3
- [ndbd]
- hostname=localhost
- NodeId=4
- [mysqld]
- NodeId=50
- 安裝
- shell> cd /home/mysql/mysqlc
- shell> scripts/mysql_install_db --no-defaults --datadir=/home/mysql/my_cluster/mysqld_data/
5. 運行
進程需要啓動management node, data nodes 與 MySQL Server
- shell> cd ../my_cluster/
- ① 最先啓動的是管理節點(ndb_mgmd)
- shell> /home/mysql/mysqlc/bin/ndb_mgmd -f conf/config.ini --initial --configdir=/home/mysql/my_cluster/conf/
- ② 啓動第一個數據節點(ndbd)
- shell> /home/mysql/mysqlc/bin/ndbd -c localhost:1186
- ③ 啓動第二個數據節點(ndbd)
- shell> /home/mysql/mysqlc/bin/ndbd -c localhost:1186
- 在啓動MySQL服務引擎(mysqld)之前,一定要等到所有的數據節點全部啓動完畢,然後才能啓動MySQL服務引擎。查看數據節點是否啓動完畢的命令語句如下:
- shell> /home/mysql/mysqlc/bin/ndb_mgm -e show
- 顯示結果:
- Connected to Management Server at: localhost:1186
- Cluster Configuration
- ---------------------
- [ndbd(NDB)] 2 node(s)
- id=3 @127.0.0.1 (mysql-5.5.22 ndb-7.2.6, Nodegroup: 0, Master)
- id=4 @127.0.0.1 (mysql-5.5.22 ndb-7.2.6, Nodegroup: 0)
- [ndb_mgmd(MGM)] 1 node(s)
- id=1 @127.0.0.1 (mysql-5.5.22 ndb-7.2.6)
- [mysqld(API)] 1 node(s)
- id=50 (not connected, accepting connect from any host)
- ④ 啓動MySQL服務引擎
- shell> /home/mysql/mysqlc/bin/mysqld --defaults-file=conf/my.cnf &
啓動成功後的進程如下:
- mysql 1738 0.1 0.5 575408 5752 ? Ssl 00:58 0:14 /home/mysql/mysqlc/bin/ndb_mgmd -f conf/config.ini --initial --configdir=/home/mysql/my_cluster/conf/
- mysql 1751 0.0 0.0 101116 660 ? Ss 00:58 0:00 /home/mysql/mysqlc/bin/ndbd -c localhost:1186
- mysql 1752 0.3 31.5 1048328 320704 ? Sl 00:58 0:41 /home/mysql/mysqlc/bin/ndbd -c localhost:1186
- mysql 1790 0.0 0.0 101116 708 ? Ss 00:58 0:00 /home/mysql/mysqlc/bin/ndbd -c localhost:1186
- mysql 1791 0.3 40.9 1048328 417228 ? Sl 00:58 0:38 /home/mysql/mysqlc/bin/ndbd -c localhost:1186
- mysql 1835 0.0 5.4 886712 55296 pts/0 Sl 00:59 0:11 /home/mysql/mysqlc/bin/mysqld --defaults-file=conf/my.cnf
- mysql 1897 0.0 0.1 198204 2032 pts/1 S+ 01:00 0:00 /home/mysql/mysqlc/bin/mysql -h 127.0.0.1 -P 5000 -u root
連接到MySQL服務器,並確認使用MySQL集羣(NDB)可以創建表① 連接到MySQL服務器:
- shell> /home/mysql/mysqlc/bin/mysql -h 127.0.0.1 -P 5000 -u root
- mysql> create database clusterdb;use clusterdb;
- mysql> create table simples (id int not null primary key) engine=ndb;
- mysql> insert into simples values (1),(2),(3),(4);
- mysql> select * from simples;
- +----+
- | id |
- +----+
- | 3 |
- | 1 |
- | 2 |
- | 4 |
- +----+
7. 停止服務
MySQL服務必須手動停止,服務停止後,其他集羣節點的停止可以使用管理節點(ndb_mgm)來
- shell> /home/mysql/mysqlc/bin/mysqladmin -u root -h 127.0.0.1 -P 5000 shutdown
- shell> /home/mysql/mysqlc/bin/ndb_mgm -e shutdown
原文地址:http://blog.csdn.net/chengfei112233/article/details/7700559/