Linux环境Mysql环境配置优化及主从配置

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准备2台服务器信息：

服务器IP	服务器用户名	服务器密码	操作系统	数据库类型	数据库IP	数据库用户名	数据库密码	服务器设置
192.168.3.4	root	123456	Centos7	Mysql	192.168.3.4	root	123456Abc	master
192.168.3.5	root	123456	Redhat7	Mysql	192.168.3.5	root	123456Abc	slave

1.192.168.3.4 上已经安装配置mysql，192.168.3.5按照如下步骤设置mysql：

 

【1】192.168.3.5 上安装mysql

[root@marklin ~]# cd /usr/local/mysql

[root@marklin mysql]# ll

total 580020

-rw-r--r--. 1 root root 593940480 Mar 25 22:50 mysql-5.7.21-1.el7.x86_64.rpm-bundle.tar

[root@marklin mysql]# tar -xvf mysql-5.7.21-1.el7.x86_64.rpm-bundle.tar

mysql-community-embedded-devel-5.7.21-1.el7.x86_64.rpm

mysql-community-minimal-debuginfo-5.7.21-1.el7.x86_64.rpm

mysql-community-common-5.7.21-1.el7.x86_64.rpm

mysql-community-libs-compat-5.7.21-1.el7.x86_64.rpm

mysql-community-embedded-compat-5.7.21-1.el7.x86_64.rpm

mysql-community-server-minimal-5.7.21-1.el7.x86_64.rpm

mysql-community-client-5.7.21-1.el7.x86_64.rpm

mysql-community-server-5.7.21-1.el7.x86_64.rpm

mysql-community-embedded-5.7.21-1.el7.x86_64.rpm

mysql-community-test-5.7.21-1.el7.x86_64.rpm

mysql-community-devel-5.7.21-1.el7.x86_64.rpm

mysql-community-libs-5.7.21-1.el7.x86_64.rpm

[root@marklin mysql]# rpm -qa|grep mariadb

mariadb-libs-5.5.52-1.el7.x86_64

mariadb-server-5.5.52-1.el7.x86_64

mariadb-5.5.52-1.el7.x86_64

[root@marklin mysql]# rpm -e --nodeps mariadb-server-5.5.56-2.el7.x86_64

error: package mariadb-server-5.5.56-2.el7.x86_64 is not installed

[root@marklin mysql]# rpm -e --nodeps mariadb-server-5.5.52-1.el7.x86_64

[root@marklin mysql]# rpm -e --nodeps mariadb-libs-5.5.52-1.el7.x86_64

[root@marklin mysql]# rpm -e --nodeps mariadb-5.5.52-1.el7.x86_64

[root@marklin mysql]# rpm -qa|grep mariadb

[root@marklin mysql]# rpm -ivh mysql-community-common-5.7.21-1.el7.x86_64.rpm

warning: mysql-community-common-5.7.21-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

Preparing...                          ################################# [100%]

Updating / installing...

   1:mysql-community-common-5.7.21-1.e################################# [100%]

[root@marklin mysql]# rpm -ivh mysql-community-libs-5.7.21-1.el7.x86_64.rpm

warning: mysql-community-libs-5.7.21-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

Preparing...                          ################################# [100%]

Updating / installing...

   1:mysql-community-libs-5.7.21-1.el7################################# [100%]

[root@marklin mysql]# rpm -ivh mysql-community-devel-5.7.21-1.el7.x86_64.rpm

warning: mysql-community-devel-5.7.21-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

Preparing...                          ################################# [100%]

Updating / installing...

   1:mysql-community-devel-5.7.21-1.el################################# [100%]

[root@marklin mysql]# rpm -ivh mysql-community-libs-compat-5.7.21-1.el7.x86_64.rpm

warning: mysql-community-libs-compat-5.7.21-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

Preparing...                          ################################# [100%]

Updating / installing...

   1:mysql-community-libs-compat-5.7.2################################# [100%]

[root@marklin mysql]# rpm -ivh mysql-community-embedded-5.7.21-1.el7.x86_64.rpm

warning: mysql-community-embedded-5.7.21-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

Preparing...                          ################################# [100%]

Updating / installing...

   1:mysql-community-embedded-5.7.21-1################################# [100%]

[root@marklin mysql]# rpm -ivh mysql-community-embedded-devel-5.7.21-1.el7.x86_64.rpm

warning: mysql-community-embedded-devel-5.7.21-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

Preparing...                          ################################# [100%]

Updating / installing...

   1:mysql-community-embedded-devel-5.################################# [100%]

[root@marklin mysql]# rpm -ivh mysql-community-embedded-compat-5.7.21-1.el7.x86_64.rpm

warning: mysql-community-embedded-compat-5.7.21-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

Preparing...                          ################################# [100%]

Updating / installing...

   1:mysql-community-embedded-compat-5################################# [100%]

[root@marklin mysql]# rpm -ivh mysql-community-client-5.7.21-1.el7.x86_64.rpm

warning: mysql-community-client-5.7.21-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

Preparing...                          ################################# [100%]

Updating / installing...

   1:mysql-community-client-5.7.21-1.e################################# [100%]

[root@marklin mysql]# rpm -ivh mysql-community-server-5.7.21-1.el7.x86_64.rpm

warning: mysql-community-server-5.7.21-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

Preparing...                          ################################# [100%]

Updating / installing...

   1:mysql-community-server-5.7.21-1.e################################# [100%]

[root@marklin mysql]# yum install perl-JSON.noarch

Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager

This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.

There are no enabled repos.

Run "yum repolist all" to see the repos you have.

To enable Red Hat Subscription Management repositories:

     subscription-manager repos --enable

To enable custom repositories:

     yum-config-manager --enable

[root@marklin mysql]# mysql-community-test-5.7.21-1.el7.x86_64.rpm

bash: mysql-community-test-5.7.21-1.el7.x86_64.rpm: command not found...

[root@marklin mysql]# rpm -ivh mysql-community-test-5.7.21-1.el7.x86_64.rpm

warning: mysql-community-test-5.7.21-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

error: Failed dependencies:

    perl(JSON) is needed by mysql-community-test-5.7.21-1.el7.x86_64

[root@marklin mysql]# yum repolist all

Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager

This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.

repolist: 0

[root@marklin mysql]# ll

total 1160144

-rw-r--r--. 1 root root  593940480 Mar 25 22:50 mysql-5.7.21-1.el7.x86_64.rpm-bundle.tar

-rw-r--r--. 1 7155 31415  25107316 Dec 28 20:53 mysql-community-client-5.7.21-1.el7.x86_64.rpm

-rw-r--r--. 1 7155 31415    278844 Dec 28 20:53 mysql-community-common-5.7.21-1.el7.x86_64.rpm

-rw-r--r--. 1 7155 31415   3779988 Dec 28 20:53 mysql-community-devel-5.7.21-1.el7.x86_64.rpm

-rw-r--r--. 1 7155 31415  46256768 Dec 28 20:53 mysql-community-embedded-5.7.21-1.el7.x86_64.rpm

-rw-r--r--. 1 7155 31415  24078148 Dec 28 20:53 mysql-community-embedded-compat-5.7.21-1.el7.x86_64.rpm

-rw-r--r--. 1 7155 31415 128571868 Dec 28 20:53 mysql-community-embedded-devel-5.7.21-1.el7.x86_64.rpm

-rw-r--r--. 1 7155 31415   2238596 Dec 28 20:53 mysql-community-libs-5.7.21-1.el7.x86_64.rpm

-rw-r--r--. 1 7155 31415   2115904 Dec 28 20:54 mysql-community-libs-compat-5.7.21-1.el7.x86_64.rpm

-rw-r--r--. 1 7155 31415  55662616 Dec 28 20:54 mysql-community-minimal-debuginfo-5.7.21-1.el7.x86_64.rpm

-rw-r--r--. 1 7155 31415 171890056 Dec 28 20:54 mysql-community-server-5.7.21-1.el7.x86_64.rpm

-rw-r--r--. 1 7155 31415  15289580 Dec 28 20:54 mysql-community-server-minimal-5.7.21-1.el7.x86_64.rpm

-rw-r--r--. 1 7155 31415 118654584 Dec 28 20:54 mysql-community-test-5.7.21-1.el7.x86_64.rpm

-rw-r--r--. 1 root root      98112 Mar 25 23:03 perl-JSON-2.59-2.el7.noarch.rpm

[root@marklin mysql]# rpm -ivh perl-JSON-2.59-2.el7.noarch.rpm

warning: perl-JSON-2.59-2.el7.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID f4a80eb5: NOKEY

Preparing...                          ################################# [100%]

Updating / installing...

   1:perl-JSON-2.59-2.el7             ################################# [100%]

[root@marklin mysql]# rpm -ivh mysql-community-test-5.7.21-1.el7.x86_64.rpm

warning: mysql-community-test-5.7.21-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY

Preparing...                          ################################# [100%]

Updating / installing...

   1:mysql-community-test-5.7.21-1.el7################################# [100%]

[root@marklin mysql]#

 

【2】配置192.168.3.5

[root@marklin mysql]# systemctl start mysqld.service

[root@marklin mysql]#  service mysqld status

Redirecting to /bin/systemctl status  mysqld.service

● mysqld.service - MySQL Server

   Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)

   Active: active (running) since Sun 2018-03-25 23:08:51 CST; 4s ago

     Docs: man:mysqld(8)

http://dev.mysql.com/doc/refman/en/using-systemd.html

  Process: 3928 ExecStart=/usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid $MYSQLD_OPTS (code=exited, status=0/SUCCESS)

  Process: 3842 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)

Main PID: 3931 (mysqld)

   CGroup: /system.slice/mysqld.service

           └─3931 /usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid

 

Mar 25 23:08:33 marklin.com systemd[1]: Starting MySQL Server...

Mar 25 23:08:51 marklin.com systemd[1]: Started MySQL Server.

[root@marklin mysql]# cat /var/log/mysqld.log | grep password

2018-03-25T15:08:45.982603Z 1 [Note] A temporary password is generated for root@localhost: dZ),Jr:vo6Tg

[root@marklin mysql]# mysql -u root -p

Enter password:

ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)

[root@marklin mysql]# mysql -u root -p

Enter password:

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 3

Server version: 5.7.21

 

Copyright (c) 2000, 2018, 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> set global validate_password_policy=0;

Query OK, 0 rows affected (0.01 sec)

 

mysql> set global validate_password_mixed_case_count=0;

Query OK, 0 rows affected (0.00 sec)

 

mysql> set global validate_password_number_count=3;

Query OK, 0 rows affected (0.00 sec)

 

mysql> set global validate_password_special_char_count=0;

Query OK, 0 rows affected (0.00 sec)

 

mysql> et global validate_password_length=3;

ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'et global validate_password_length=3' at line 1

mysql> set global validate_password_length=3;

Query OK, 0 rows affected (0.00 sec)

 

mysql> set password for 'root'@'localhost' = password('123456Abc');

Query OK, 0 rows affected, 1 warning (0.00 sec)

 

mysql> show variables like  'validate_password%';

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

| Variable_name                        | Value |

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

| validate_password_check_user_name    | OFF   |

| validate_password_dictionary_file    |       |

| validate_password_length             | 3     |

| validate_password_mixed_case_count   | 0     |

| validate_password_number_count       | 3     |

| validate_password_policy             | LOW   |

| validate_password_special_char_count | 0     |

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

7 rows in set (0.00 sec)

 

mysql> grant all privileges on *.* to 'root'@'%' identified by '123456Abc' with grant option;

Query OK, 0 rows affected, 1 warning (0.00 sec)

 

mysql> flush privileges;

Query OK, 0 rows affected (0.00 sec)

 

mysql>

 

【3】配置优化：

mysql> set @@global.slow_query_log = on;

Query OK, 0 rows affected (0.00 sec)

 

mysql> set @@global.log_slow_admin_statements=1;

Query OK, 0 rows affected (0.00 sec)

 

mysql> set global min_examined_row_limit=100;

Query OK, 0 rows affected (0.00 sec)

 

mysql> set global log_queries_not_using_indexes=1;

Query OK, 0 rows affected (0.00 sec)

 

mysql> set global log_throttle_queries_not_using_indexes=10;

Query OK, 0 rows affected (0.00 sec)

 

mysql> set @@global.log_queries_not_using_indexes=on;

Query OK, 0 rows affected (0.00 sec)

 

mysql> set global general_log=on;

Query OK, 0 rows affected (0.00 sec)

 

mysql> set global log_output='file,table';

Query OK, 0 rows affected (0.04 sec)

 

mysql> set @@global.log_queries_not_using_indexes=on;

Query OK, 0 rows affected (0.01 sec)

 

mysql>

 

2.Mysql主从配置：

[1]Master主数据库服务器配置

主从配置的数据库：mark-apple-amber,ark-apple-orchid,mark-apple-knight

(1).Xhell5输入：vim /etc/my.cnf，配置内容如下：

#Setting server-id

server-id=1

log-bin=mysql-master-bin

log-bin-index=mysql-master-bin.index

sync_binlog=1                      

binlog-ignore-db=mysql

binlog-do-db=mark-apple-amber,mark-apple-orchid,mark-apple-knight

log-slave-updates

(2)重启master数据库服务，输入：service mysqld restart

[root@marklin ~]# service mysqld restart

Redirecting to /bin/systemctl restart mysqld.service

[root@marklin ~]#  service mysqld status

Redirecting to /bin/systemctl status mysqld.service

● mysqld.service - MySQL Server

   Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)

   Active: active (running) since Sun 2018-03-25 06:26:43 EDT; 12s ago

     Docs: man:mysqld(8)

http://dev.mysql.com/doc/refman/en/using-systemd.html

  Process: 52432 ExecStart=/usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid $MYSQLD_OPTS (code=exited, status=0/SUCCESS)

  Process: 52409 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)

Main PID: 52434 (mysqld)

   CGroup: /system.slice/mysqld.service

           └─52434 /usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid

 

Mar 25 06:26:41 marklin.com systemd[1]: Starting MySQL Server...

Mar 25 06:26:43 marklin.com systemd[1]: Started MySQL Server.

[root@marklin ~]#

(3)master数据库创建授权：grant file on *.* to 'root'@'192.168.3.%' identified by '123456Abc';

mysql> grant file on *.* to 'root'@'192.168.3.%' identified by '123456Abc';

ERROR 1819 (HY000): Your password does not satisfy the current policy requirements

修改密码策略：

set global validate_password_policy=0;

set global validate_password_length=1;

 

mysql> set global validate_password_policy=0;

Query OK, 0 rows affected (0.00 sec)

 

mysql> set global validate_password_length=1;

Query OK, 0 rows affected (0.00 sec)

 

mysql> grant file on *.* to 'root'@'192.168.3.%' identified by '123456Abc';

Query OK, 0 rows affected, 1 warning (0.00 sec)

 

（4）查看master主库日志情况：show master status;

mysql> show master status;

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

| File             | Position | Binlog_Do_DB                                        | Binlog_Ignore_DB                            | Executed_Gtid_Set |

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

| mysql-bin.000002 |      422 | mark-apple-amber,ark-apple-orchid,mark-apple-knight | performance_schema,information_schema,mysql |                   |

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

1 row in set (0.00 sec)

 

mysql>

 

 

mysql> set global validate_password_policy=0;

Query OK, 0 rows affected (0.00 sec)

 

mysql> set global validate_password_length=1;

Query OK, 0 rows affected (0.00 sec)

 

mysql> grant file on *.* to 'root'@'192.168.3.%' identified by '123456Abc';

Query OK, 0 rows affected, 1 warning (0.00 sec)

 

mysql> grant replication slave on *.* to slave@'192.168.3.%' identified by '123456Abc';

Query OK, 0 rows affected, 1 warning (0.00 sec)

 

mysql> grant replication slave,super,reload on mark-apple-amber.* to 'root'@'192.168.3.%' identified by '123456Abc';

ERROR 1046 (3D000): No database selected

mysql> grant replication slave,super,reload on *.* to 'root'@'192.168.3.%' identified by '123456Abc';

Query OK, 0 rows affected, 1 warning (0.00 sec)

 

mysql> flush privileges;

Query OK, 0 rows affected (0.00 sec)

 

mysql> show master status;

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

| File                    | Position | Binlog_Do_DB                                         | Binlog_Ignore_DB | Executed_Gtid_Set |

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

| mysql-master-bin.000001 |     1188 | mark-apple-amber,mark-apple-orchid,mark-apple-knight | mysql            |                   |

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

1 row in set (0.00 sec)

 

mysql>

[2]Slave从数据库服务器配置

(1).Xhell5输入：vim /etc/my.cnf，配置内容如下：

#Setting server-id

log-bin=mysql-bin

server-id=2

log-bin-index=mysql-bin.index

binlog-ignore-db=information_schema

binlog-ignore-db=mysql

replicate-do-db=mark-apple-amber,ark-apple-orchid,mark-apple-knight

replicate-ignore-db=mysql

log-slave-update

slave-skip-errors=all

slave-net-timeout=60

sync_master_info=1

master-host=192.168.3.4

master-user=root  

master-password=123456Abc

master-port=3306

(2)重启master数据库服务，输入：service mysqld restart

[root@marklin ~]# service mysqld restart

Redirecting to /bin/systemctl restart mysqld.service

[root@marklin ~]#  service mysqld status

Redirecting to /bin/systemctl status mysqld.service

● mysqld.service - MySQL Server

   Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)

   Active: active (running) since Sun 2018-03-25 06:26:43 EDT; 12s ago

     Docs: man:mysqld(8)

http://dev.mysql.com/doc/refman/en/using-systemd.html

  Process: 52432 ExecStart=/usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid $MYSQLD_OPTS (code=exited, status=0/SUCCESS)

  Process: 52409 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)

Main PID: 52434 (mysqld)

   CGroup: /system.slice/mysqld.service

           └─52434 /usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid

 

Mar 25 06:26:41 marklin.com systemd[1]: Starting MySQL Server...

Mar 25 06:26:43 marklin.com systemd[1]: Started MySQL Server.

[root@marklin ~]#

(3) 配置连接主服务器的信息：

mysql> stop slave;

Query OK, 0 rows affected, 1 warning (0.00 sec)

 

mysql> change master to master_host='192.168.3.4', master_user='root', master_password='123456Abc', master_log_file='mysql-bin.000002', master_log_pos=422;

Query OK, 0 rows affected, 2 warnings (0.29 sec)

 

mysql> start slave;

Query OK, 0 rows affected (0.00 sec)

 

(3) 查看从服务器状态：show slave status \G;

mysql> show slave status \G;

*************************** 1. row ***************************

               Slave_IO_State: Connecting to master

                  Master_Host: 192.168.3.4

                  Master_User: root

                  Master_Port: 3306

                Connect_Retry: 60

              Master_Log_File: mysql-bin.000002

          Read_Master_Log_Pos: 422

               Relay_Log_File: marklin-relay-bin.000001

                Relay_Log_Pos: 4

        Relay_Master_Log_File: mysql-bin.000002

             Slave_IO_Running: Connecting

            Slave_SQL_Running: Yes

              Replicate_Do_DB: mark-apple-amber,ark-apple-orchid,mark-apple-knight

          Replicate_Ignore_DB: mysql

           Replicate_Do_Table:

       Replicate_Ignore_Table:

      Replicate_Wild_Do_Table:

  Replicate_Wild_Ignore_Table:

                   Last_Errno: 0

                   Last_Error:

                 Skip_Counter: 0

          Exec_Master_Log_Pos: 422

              Relay_Log_Space: 154

              Until_Condition: None

               Until_Log_File:

                Until_Log_Pos: 0

           Master_SSL_Allowed: No

           Master_SSL_CA_File:

           Master_SSL_CA_Path:

              Master_SSL_Cert:

            Master_SSL_Cipher:

               Master_SSL_Key:

        Seconds_Behind_Master: NULL

Master_SSL_Verify_Server_Cert: No

                Last_IO_Errno: 2003

                Last_IO_Error: error connecting to master '[email protected]:3306' - retry-time: 60  retries: 2

               Last_SQL_Errno: 0

               Last_SQL_Error:

  Replicate_Ignore_Server_Ids:

             Master_Server_Id: 0

                  Master_UUID:

             Master_Info_File: /var/lib/mysql/master.info

                    SQL_Delay: 0

          SQL_Remaining_Delay: NULL

      Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates

           Master_Retry_Count: 86400

                  Master_Bind:

      Last_IO_Error_Timestamp: 180326 03:12:45

     Last_SQL_Error_Timestamp:

               Master_SSL_Crl:

           Master_SSL_Crlpath:

           Retrieved_Gtid_Set:

            Executed_Gtid_Set:

                Auto_Position: 0

         Replicate_Rewrite_DB:

                 Channel_Name:

           Master_TLS_Version:

1 row in set (0.00 sec)

 

ERROR:

No query specified

 

mysql>

 

mysql> stop slave;

Query OK, 0 rows affected (0.00 sec)

 

mysql> change master to master_host='192.168.3.4', master_user='root', master_password='123456Abc', master_log_file='mysql-master-bin.000001', master_log_pos=1188;

Query OK, 0 rows affected, 2 warnings (0.02 sec)

 

mysql> start slave;

Query OK, 0 rows affected (0.00 sec)

 

mysql> show slave status\G;

*************************** 1. row ***************************

               Slave_IO_State: Connecting to master

                  Master_Host: 192.168.3.4

                  Master_User: root

                  Master_Port: 3306

                Connect_Retry: 60

              Master_Log_File: mysql-master-bin.000001

          Read_Master_Log_Pos: 1188

               Relay_Log_File: marklin-relay-bin.000001

                Relay_Log_Pos: 4

        Relay_Master_Log_File: mysql-master-bin.000001

             Slave_IO_Running: Connecting

            Slave_SQL_Running: Yes

              Replicate_Do_DB: mark-apple-amber,ark-apple-orchid,mark-apple-knight

          Replicate_Ignore_DB: mysql

           Replicate_Do_Table:

       Replicate_Ignore_Table:

      Replicate_Wild_Do_Table:

  Replicate_Wild_Ignore_Table:

                   Last_Errno: 0

                   Last_Error:

                 Skip_Counter: 0

          Exec_Master_Log_Pos: 1188

              Relay_Log_Space: 154

              Until_Condition: None

               Until_Log_File:

                Until_Log_Pos: 0

           Master_SSL_Allowed: No

           Master_SSL_CA_File:

           Master_SSL_CA_Path:

              Master_SSL_Cert:

            Master_SSL_Cipher:

               Master_SSL_Key:

        Seconds_Behind_Master: NULL

Master_SSL_Verify_Server_Cert: No

                Last_IO_Errno: 0

                Last_IO_Error:

               Last_SQL_Errno: 0

               Last_SQL_Error:

  Replicate_Ignore_Server_Ids:

             Master_Server_Id: 0

                  Master_UUID:

             Master_Info_File: /var/lib/mysql/master.info

                    SQL_Delay: 0

          SQL_Remaining_Delay: NULL

      Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates

           Master_Retry_Count: 86400

                  Master_Bind:

      Last_IO_Error_Timestamp:

     Last_SQL_Error_Timestamp:

               Master_SSL_Crl:

           Master_SSL_Crlpath:

           Retrieved_Gtid_Set:

            Executed_Gtid_Set:

                Auto_Position: 0

         Replicate_Rewrite_DB:

                 Channel_Name:

           Master_TLS_Version:

1 row in set (0.00 sec)

 

ERROR:

No query specified

 

mysql>

3.测试Mysql主从配置：

 

• Linux环境Mysql环境配置优化及主从配置.pdf (537.6 KB)
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