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Linux环境Mysql环境配置优化及主从配置 博客分类: SQL技术栈 mysqlredhatlinuxperformancecentos

程序员文章站 2024-03-01 22:47:46
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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 <repo>
To enable custom repositories:
     yum-config-manager --enable <repo>
[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)
  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)
  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)
  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 'root@192.168.3.4:3306' - 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: