、、安装mysql Router
======================================================================================================
[root@vm701 111]# rpm -ivh
mysql-router-community-8.0.15-1.el7.x86_64.rpm
warning: mysql-router-community-8.0.15-1.el7.x86_64.rpm:
Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing...
################################# [100%]
package
mysql-router-community-8.0.15-1.el7.x86_64 is already
installed
[root@vm701 111]#
、、、 配置rw和ro段参数
======================================================================================================
[root@vm701 ~]# cat
/etc/mysqlrouter/mysqlrouter.conf
# Copyright (c) 2015, 2018, Oracle and/or its affiliates. All
rights reserved.
#
# This program is free software; you can redistribute it
and/or modify
# it under the terms of the GNU General Public License,
version 2.0,
# as published by the Free Software Foundation.
#
######### ##############################
## 省略了一些描述
######### ##############################
#
# MySQL Router configuration file
#
# Documentation is available at
#
http://dev.mysql.com/doc/mysql-router/en/
### DEFAULT 段没必要变化，都是规范的目录
[DEFAULT]
logging_folder = /var/log/mysqlrouter
runtime_folder = /var/run/mysqlrouter
config_folder = /etc/mysqlrouter
[logger]
level = INFO
# If no plugin is configured which starts a service,
keepalive
# will make sure MySQL Router will not immediately exit. It
is
# safe to remove once Router is configured.
[routing:read_write]
bind_address = 192.168.1.112
bind_port = 8001
mode = read-write
destinations = 192.168.1.112:3306
max_connections = 65535
max_connect_errors = 100
client_connect_timeout = 9
[routing:read_only]
bind_address = 192.168.1.112
bind_port = 7002
mode = read-only
destinations = 192.168.1.114:3306,192.168.1.115:3306
max_connections = 65535
max_connect_errors = 100
client_connect_timeout = 9
[keepalive]
interval = 30
、、、启动router
/usr/bin/mysqlrouter
-c
/etc/mysqlrouter/mysqlrouter.conf
&
======================================================================================================
[root@vm701 mysqlrouter]#
[root@vm701 mysqlrouter]#
[root@vm701 mysqlrouter]#
/usr/bin/mysqlrouter
-c
/etc/mysqlrouter/mysqlrouter.conf
&
[1] 4763
[root@vm701 mysqlrouter]#
[root@vm701 mysqlrouter]# pwd
/var/log/mysqlrouter
[root@vm701 mysqlrouter]# ll
total 4
-rw-r--r-- 1 root root 3241 Jul 4 16:56
mysqlrouter.log
[root@vm701 mysqlrouter]# cat *
2019-07-04 16:40:10 main INFO [7f7183ba9880] Loading all
plugins.
2019-07-04 16:40:10 main INFO [7f7183ba9880]
plugin 'keepalive:' loading
2019-07-04 16:40:10 main INFO [7f7183ba9880]
plugin 'routing:read_only' loading
2019-07-04 16:40:10 main INFO [7f7183ba9880]
plugin 'routing:read_write' loading
2019-07-04 16:40:10 main INFO [7f7183ba9880] Initializing all
plugins.
2019-07-04 16:40:10 main INFO [7f7183ba9880]
plugin 'keepalive' initializing
2019-07-04 16:40:10 main INFO [7f7183ba9880]
plugin 'routing' initializing
2019-07-04 16:40:10 main INFO [7f7183ba9880] Starting all
plugins.
2019-07-04 16:40:10 main INFO [7f717f513700]
plugin 'keepalive:' starting
2019-07-04 16:40:10 keepalive INFO [7f717f513700] keepalive
started with interval 30
2019-07-04 16:40:10 keepalive INFO [7f717f513700]
keepalive
2019-07-04 16:40:10 main INFO [7f717ed12700]
plugin 'routing:read_only' starting
2019-07-04 16:40:10 routing INFO [7f717ed12700]
[routing:read_only] started: listening on 192.168.1.112:7002
2019-07-04 16:40:10 main INFO [7f717e511700]
plugin 'routing:read_write' starting
2019-07-04 16:40:10 routing INFO [7f717e511700]
[routing:read_write] started: listening on 192.168.1.112:8001
2019-07-04 16:40:10 main INFO [7f7183ba9880] Running.
2019-07-04 16:40:40 keepalive INFO [7f717f513700]
keepalive
2019-07-04 16:41:10 keepalive INFO [7f717f513700]
keepalive
2019-07-04 16:41:40 keepalive INFO [7f717f513700]
keepalive
、、、测试脚本SQL
======================================================================================================
create table
ttid ( xid
int , primary key (xid
)) ;
insert into ttid select 101 ;
insert into ttid select 107;
insert into ttid select 102;
-hvm701
8001 测试 RW
端口连接 8001
==============================================================================
从8003 。。。 探测到 8001
[root@vm703 ~]# mysql -uroot -pRoot123!
-hvm701 -P8003
mysql: [Warning] Using a password on the command line
interface can be insecure.
ERROR 2003 (HY000): Can't connect to MySQL server on 'vm701'
(111)
[root@vm703 ~]#
[root@vm703 ~]#
[root@vm703 ~]# mysql -uroot -pRoot123!
-hvm701 -P8002
mysql: [Warning] Using a password on the command line
interface can be insecure.
ERROR 2003 (HY000): Can't connect to MySQL server on 'vm701'
(111)
[root@vm703 ~]#
[root@vm703 ~]#
[root@vm703 ~]# mysql -uroot -pRoot123!
-hvm701 -P8000
mysql: [Warning] Using a password on the command line
interface can be insecure.
ERROR 2003 (HY000): Can't connect to MySQL server on 'vm701'
(111)
[root@vm703 ~]#
[root@vm703 ~]#
[root@vm703 ~]# mysql -uroot -pRoot123!
-hvm701 -P8001
mysql: [Warning] Using a password on the command line
interface can be insecure.
Welcome to the MySQL monitor. Commands end
with ; or \g.
Your MySQL connection id is 49
Server version: 8.0.14 MySQL Community Server - GPL
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All
rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or
its
affiliates. Other names may be trademarks of their
respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current
input statement.
mysql>
、、、 SQL 测试
============================================================================
[root@vm703 ~]#
[root@vm703 ~]# mysql -uroot -pRoot123!
-hvm701 -P8001
mysql: [Warning] Using a password on the command line
interface can be insecure.
Welcome to the MySQL monitor. Commands end
with ; or \g.
Type 'help;' or '\h' for help. Type '\c' to clear the current
input statement.
mysql> use ISAAC
Reading table information for completion of table and column
names
You can turn off this feature to get a quicker startup with
-A
Database changed
mysql> show tables;
+-----------------+
| Tables_in_ISAAC |
+-----------------+
| customer
|
| order
|
| store
|
| store_sales
|
| ticket_order |
+-----------------+
5 rows in set (0.00 sec)
mysql>
mysql>
mysql>
mysql> create table
ttid ( xid
int , primary key (xid
)) ;
insert into ttid select 101 ;Query OK, 0 rows affected (0.07
sec)
mysql>
mysql> insert into ttid select 101 ;
Query OK, 1 row affected (0.07 sec)
Records: 1 Duplicates: 0
Warnings: 0
mysql> insert into ttid select 107;
Query OK, 1 row affected (0.51 sec)
Records: 1 Duplicates: 0
Warnings: 0
mysql> insert into ttid select 102;
Query OK, 1 row affected (0.04 sec)
Records: 1 Duplicates: 0
Warnings: 0
mysql>
mysql> commit;
Query OK, 0 rows affected (0.00 sec)
mysql>
、、、-hvm703 从节点连数据库 对比 不用
-P
================================================================================================
[root@vm703 ~]# mysql -uroot -pRoot123!
-hvm703
mysql: [Warning] Using a password on the command line
interface can be insecure.
Welcome to the MySQL monitor. Commands end
with ; or \g.
Your MySQL connection id is 35
Server version: 8.0.14 MySQL Community Server - GPL
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All
rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or
its
affiliates. Other names may be trademarks of their
respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current
input statement.
mysql> show variables like '%read_on%'
;
+-----------------------+-------+
| Variable_name
| Value
|
+-----------------------+-------+
| innodb_read_only
| OFF
|
| read_only
| ON
|
| super_read_only
| ON
|
| transaction_read_only | OFF
|
+-----------------------+-------+
4 rows in set (0.04 sec)
mysql>
mysql>
mysql>
mysql> use ISAAC
Reading table information for completion of table and column
names
You can turn off this feature to get a quicker startup with
-A
Database changed
mysql>
mysql>
mysql>
mysql> show tables;
+-----------------+
| Tables_in_ISAAC |
+-----------------+
| customer
|
| order
|
| store
|
| store_sales
|
| ticket_order |
+-----------------+
5 rows in set (0.00 sec)
mysql> select * from ttid ;
ERROR 1146 (42S02): Table 'ISAAC.ttid' doesn't exist
mysql>
mysql>
mysql>
mysql> select * from ttid ;
+-----+
| xid |
+-----+
| 101 |
+-----+
1 row in set (0.00 sec)
mysql> exit
Bye
[root@vm703 ~]# mysql -uroot -pRoot123!
-hvm703 -P7000
mysql: [Warning] Using a password on the command line
interface can be insecure.
ERROR 2003 (HY000): Can't connect to MySQL server on 'vm703'
(111)
[root@vm703 ~]#
[root@vm703 ~]#
[root@vm703 ~]# mysql -uroot -pRoot123!
-hvm703 -P7002
mysql: [Warning] Using a password on the command line
interface can be insecure.
、、、-hvm70
7002
router的ro端口
7002 后面改为 8008
================================================================================================
[root@vm703 ~]#
[root@vm703 ~]#
[root@vm703 ~]# mysql -uroot -pRoot123!
-hvm701 -P7001
mysql: [Warning] Using a password on the command line
interface can be insecure.
ERROR 2003 (HY000): Can't connect to MySQL server on 'vm701'
(111)
[root@vm703 ~]#
[root@vm703 ~]#
[root@vm703 ~]# mysql -uroot -pRoot123!
-hvm701 -P7003
mysql: [Warning] Using a password on the command line
interface can be insecure.
ERROR 2003 (HY000): Can't connect to MySQL server on 'vm701'
(111)
[root@vm703 ~]#
[root@vm703 ~]#
[root@vm703 ~]# mysql -uroot -pRoot123!
-hvm701 -P7002
mysql: [Warning] Using a password on the command line
interface can be insecure.
Welcome to the MySQL monitor. Commands end
with ; or \g.
Your MySQL connection id is 41
Server version: 8.0.14 MySQL Community Server - GPL
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All
rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or
its
affiliates. Other names may be trademarks of their
respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current
input statement.
mysql> show variables like '%read_on%'
;
+-----------------------+-------+
| Variable_name
| Value
|
+-----------------------+-------+
| innodb_read_only
| OFF
|
| read_only
| ON
|
| super_read_only
| ON
|
| transaction_read_only | OFF
|
+-----------------------+-------+
4 rows in set (0.02 sec)
mysql>
mysql>
mysql> use ISAAC
Reading table information for completion of table and column
names
You can turn off this feature to get a quicker startup with
-A
Database changed
mysql> select * from ttid;
+-----+
| xid |
+-----+
| 101 |
+-----+
1 row in set (0.00 sec)
mysql>
mysql>
mysql> select * from ttid;
+-----+
| xid |
+-----+
| 101 |
| 102 |
| 107 |
+-----+
3 rows in set (0.01 sec)
mysql>
、、、-hvm70
7002
router的ro端口 ，从7002 改为
8008，绑定所有IP
================================================================================================
[root@vm701 mysqlrouter]# cat
/etc/mysqlrouter/mysqlrouter.conf
# Copyright (c) 2015, 2018, Oracle and/or its affiliates. All
rights reserved.
#
#
# You should have received a copy of the GNU General Public
License
# along with this program; if not, write to the Free
Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA
#
# MySQL Router configuration file
#
# Documentation is available at
#
http://dev.mysql.com/doc/mysql-router/en/
[DEFAULT]
logging_folder = /var/log/mysqlrouter
runtime_folder = /var/run/mysqlrouter
config_folder = /etc/mysqlrouter
[logger]
level = INFO
# If no plugin is configured which starts a service,
keepalive
# will make sure MySQL Router will not immediately exit. It
is
# safe to remove once Router is configured.
[routing:read_write]
bind_address = 192.168.1.112
bind_port = 8001
mode = read-write
destinations = 192.168.1.112:3306
max_connections = 65535
max_connect_errors = 100
client_connect_timeout = 9
[routing:read_only]
bind_address = 0.0.0.0
bind_port = 8008
mode = read-only
destinations = 192.168.1.114:3306,192.168.1.115:3306
max_connections = 65535
max_connect_errors = 100
client_connect_timeout = 9
[keepalive]
interval = 30
-P8001 与 P8008 端口 对比
-P8001
==========================================================================================
[root@vm703 ~]# mysql -uroot -pRoot123!
-hvm701 -P8001
mysql: [Warning] Using a password on the command line
interface can be insecure.
Welcome to the MySQL monitor. Commands end
with ; or \g.
Your MySQL connection id is 52
Server version: 8.0.14 MySQL Community Server - GPL
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All
rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or
its
affiliates. Other names may be trademarks of their
respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current
input statement.
mysql> use ISAAC
Reading table information for completion of table and column
names
You can turn off this feature to get a quicker startup with
-A
Database changed
mysql> show tables
-> ;
+-----------------+
| Tables_in_ISAAC |
+-----------------+
| customer
|
| order
|
| store
|
| store_sales
|
| ticket_order |
| ttid
|
+-----------------+
6 rows in set (0.00 sec)
mysql>
mysql> insert into ttid select 88 ;
Query OK, 1 row affected (0.02 sec)
Records: 1 Duplicates: 0
Warnings: 0
mysql> insert into ttid select 88 ;
ERROR 1062 (23000): Duplicate entry '88' for key
'PRIMARY'
mysql>
-P8008 只读的,不能执行INSERT
INTO
==========================================================================================
ERROR 1290 (HY000): The MySQL server is running with the
--super-read-only option
so it cannot execute this statement
[root@vm703 ~]# mysql -uroot -pRoot123!
-hvm701 -P8002
mysql: [Warning] Using a password on the command line
interface can be insecure.
ERROR 2003 (HY000): Can't connect to MySQL server on 'vm701'
(111)
[root@vm703 ~]#
[root@vm703 ~]# mysql -uroot -pRoot123!
-hvm701 -P8007
mysql: [Warning] Using a password on the command line
interface can be insecure.
ERROR 2003 (HY000): Can't connect to MySQL server on 'vm701'
(111)
[root@vm703 ~]#
[root@vm703 ~]# mysql -uroot -pRoot123!
-hvm701 -P8008
mysql: [Warning] Using a password on the command line
interface can be insecure.
Welcome to the MySQL monitor. Commands end
with ; or \g.
Your MySQL connection id is 42
Server version: 8.0.14 MySQL Community Server - GPL
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All
rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or
its
affiliates. Other names may be trademarks of their
respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current
input statement.
mysql> show variables like '%read_on%'
;
+-----------------------+-------+
| Variable_name
| Value
|
+-----------------------+-------+
| innodb_read_only
| OFF
|
| read_only
| ON
|
| super_read_only
| ON
|
| transaction_read_only | OFF
|
+-----------------------+-------+
4 rows in set (0.02 sec)
mysql>
mysql>
mysql>
mysql> use ISAAC
Reading table information for completion of table and column
names
You can turn off this feature to get a quicker startup with
-A
Database changed
mysql> show tables;
+-----------------+
| Tables_in_ISAAC |
+-----------------+
| customer
|
| order
|
| store
|
| store_sales
|
| ticket_order |
| ttid
|
+-----------------+
6 rows in set (0.00 sec)
mysql> select * from ttid ;
+-----+
| xid |
+-----+
| 101 |
| 102 |
| 107 |
+-----+
3 rows in set (0.00 sec)
mysql>
mysql>
mysql> insert into ttid select 88 ;
ERROR 1290 (HY000): The MySQL server is running with the
--super-read-only option so it cannot execute this statement
mysql>
mysql>
mysql>
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