管理節點

mysql-mgm

192.168.1.150

資料節點 1

mysql-data01

192.168.1.151

資料節點 2

mysql-data02

192.168.1.152

SQL 節點 1

mysql-01

192.168.1.153

SQL 節點 2

mysql-02

192.168.1.154

SELINUX=disabled

[ndbd default]

# Options affecting ndbd processes on all data nodes:

NoOfReplicas=2    # Number of replicas

DataMemory=80M    # How much memory to allocate for data storage

IndexMemory=18M   # How much memory to allocate for index storage

#ServerPort=2202   # This the default value; however, you can use any

[ndb_mgmd]

# Management process options:

NodeId=1

HostName=192.168.1.150           # Hostname or IP address of MGM node

DataDir=/var/lib/mysql-cluster  # Directory for MGM node log files

[ndbd]

HostName=192.168.1.151           # Hostname or IP address

NodeId=2                      # Node ID for this data node

DataDir=/usr/local/mysql/data   # Directory for this data node's data files

[ndbd]

# Options for data node "B":

HostName=192.168.1.152          # Hostname or IP address

NodeId=3                        # Node ID for this data node

DataDir=/usr/local/mysql/data   # Directory for this data node's data files

[mysqld]

# SQL node options:

NodeId=4

HostName=192.168.1.153           # Hostname or IP address

                                # (additional mysqld connections can be

                                # specified for this node for various

                                # purposes such as running ndb_restore)

[mysqld]

NodeId=5

HostName=192.168.1.154

[mysqld]

basedir=/usr/local/mysql

datadir=/usr/local/mysql/data

socket=/usr/local/mysql/sock/mysql.sock

user=mysql

symbolic-links=0

ndbcluster

ndb-connectstring=192.168.1.150

[mysqld_safe]

log-error=/var/log/mysqld.log

pid-file=/var/run/mysqld/mysqld.pid

[mysql_cluster]

ndb-connectstring=192.168.1.150

[client]

socket=/usr/local/mysql/sock/mysql.sock

[mysqld]

ndbcluster

datadir=/usr/local/mysql/data

socket=/usr/local/mysql/sock/mysql.sock

ndb-connectstring=192.168.1.150

[mysql_cluster]

ndb-connectstring=192.168.1.150

-- NDB Cluster -- Management Client --

ndb_mgm> show

Connected to Management Server at: localhost:1186

Cluster Configuration

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

[ndbd(NDB)]     2 node(s)

id=2    @192.168.1.151  (mysql-5.7.18 ndb-7.6.2, Nodegroup: 0, *)

id=3    @192.168.1.152  (mysql-5.7.18 ndb-7.6.2, Nodegroup: 0)

[ndb_mgmd(MGM)] 1 node(s)

id=1    @192.168.1.150  (mysql-5.7.18 ndb-7.6.2)

[mysqld(API)]   2 node(s)

id=4    @192.168.1.153  (mysql-5.7.18 ndb-7.6.2)

id=5    @192.168.1.154  (mysql-5.7.18 ndb-7.6.2)

mysql> create database aa;

mysql> use aa;

mysql> create table student(id int(10) primary key auto_increment,name varchar(30),age tinyint(2))engine=ndb;

 # 資料庫表的引擎必須為 NDB，不然就同步失敗了可以用 show create table 表名;  來檢視引擎

mysql> insert into student (id,name,age) value(321281,"mzh",18);

mysql> quit

Bye

mysql> show databases;

+--------------------+

| Database           |

+--------------------+

| information_schema |

| aa                 |

| mysql              |

| ndbinfo            |

| performance_schema |

| sys                |

+--------------------+

6 rows in set (0.00 sec)

mysql> use aa;

mysql> show tables;

+--------------+

| Tables_in_aa |

+--------------+

| student      |

+--------------+

1 row in set (0.01 sec)

mysql> select * from student;

+--------+------+------+

| id     | name | age  |

+--------+------+------+

| 321281 | mzh  |   18 |

+--------+------+------+

1 row in set (4.27 sec)

+--------+------+------+

| id     | name | age  |

+--------+------+------+

|  12121 | hp   |   19 |

| 321281 | mzh  |   18 |

+--------+------+------+

2 rows in set (0.00 sec)

+--------+------+------+

| id     | name | age  |

+--------+------+------+

|  12121 | hp   |   19 |

| 321281 | mzh  |   18 |

+--------+------+------+

2 rows in set (0.00 sec)

Connected to Management Server at: localhost:1186

3 NDB Cluster node(s) have shutdown.

Disconnecting to allow management server to shutdown.