MySQL Master Slave Replication in Windows using XAMPP MySQL

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MySQL Master Slave Replication in Windows *************************************************************************

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Database replication is the frequent electronic copying of data from a database in one computer or server to a database in another.

In this example, 02 XAMPP servers are being used.

    Master – Server IP (Ex. 192.168.157.128) for demo I have localhost.
    Slave – Server IP (Ex. 192.168.157.129)        

? ? ? ? You need to install XAMPP with MySQL server on both master and slave machine or Install Two XAMPP in Same Machine.

PART 1 - In master server

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

Step 1. Login to Master Server. ? ? ? ?

Edit & Modify the Configuration file of MySQL.

#log-bin Configuration in my.ini
log-bin="C:/mysql_master_logs/log-bin.log"
server-id = 1
# bind-address = 127.0.0.1         #comment this line if you want to remotely access your server        

Step 2. Restart MySQL Server. Step 3. Login to MySQL Server.

 # mysql -u root -p        

Step 4. ?Create a new user for Replication and specify the Password to that user.

MariaDB [(none)]> CREATE USER 'mysqlrepli'@'localhost' IDENTIFIED BY 'admin@123';
MariaDB [(none)]> GRANT REPLICATION SLAVE ON *.* TO 'mysqlrepli'@'localhost';
MariaDB [(none)]> FLUSH PRIVILEGES;        

Example :

MariaDB [(none)]> CREATE USER 'replication_user'@'192.168.157.128' IDENTIFIED BY 'replica_password';
MariaDB [(none)]> GRANT REPLICATION SLAVE ON *.* TO 'replication_user '@'192.168.157.128';        

Step 5. binary logging # check binary logging

MariaDB [(none)]> show global variables like 'log_bin';        

# View the binary log location

MariaDB [(none)]> show global variables like '%log_bin%';        

# Show binary logs

MariaDB [(none)]> show binary logs;        

Step 6. Execute below command to Lock Tables & take backup and view the File & Position of Master Server.

MariaDB [(none)]> FLUSH TABLES WITH READ LOCK;

C:\path >mysqldump -u root -p –all-databases –master-data > data.sql        

Note: Path will be mysqldump.exe path.. It will be inside the bin folder.

MariaDB [(none)]> show master status;
        +------------------+----------+--------------+------------------+
        | File             | Position | Binlog_Do_DB | Binlog_Ignore_DB |
        +------------------+----------+--------------+------------------+
        | mysql-bin.000001 |    764          |                      |                  |
        +------------------+----------+--------------+------------------+
        1 row in set (0.00 sec)        

PART - 2 - In Slave Server

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

Step 7. Login to Slave Server. Edit & Modify the Configuration file of MySql Server.

         # Find the following line:
        bind-address = 127.0.0.1
        # Replace it with the following line:
        bind-address = Slave-Server-IP
        #log-bin Configuration in my.ini
        log-bin="C:/mysql_slave_logs/log-bin.log"
        server-id = 2        

# Restart MySQL?Server Step

8. Login to MySQL in Slave Server.

        # mysql -u root -p        

Step 9. Import Data Dump

        mysql -u root -p < data.sql        

Step 10. Specify the following details as given below & make sure to Replace the following settings with your settings.

        MASTER_HOST     :   IP Address of Master server
        MASTER_USER     :   Replication User of Master server that we had created in previous steps.
        MASTER_PASSWORD :   Replication User Password of Master server that we had created in previous steps.
        MASTER_LOG_FILE :   Your Value of Master Log File of Master server.
        MASTER_LOG_POS  :   Your Value of Master Log Position of Master server.        

        MariaDB [(none)]> STOP SLAVE;
        MariaDB [(none)]>  CHANGE MASTER TO MASTER_HOST = 'localhost', MASTER_USER = 'mysqlrepli', MASTER_PASSWORD = 'admin@123', MASTER_LOG_FILE = 'mysql-bin.000001', MASTER_LOG_POS = 420;
        MariaDB [(none)]>  START SLAVE;
        MariaDB [(none)]>  show databases;
        MariaDB [(none)]>  SHOW SLAVE STATUS;        

? ? ? ? ### Don’t forget to unlock the tables.

MariaDB [(none)]>  UNLOCK TABLES;        

PART - 3 - Testing for replication work

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

Step 10. Login to Master Server. Login to MySQL Server

        # mysql -u root -p        

Step 11. For testing a Replication we need to create a new database, it will automatically replicate on Slave Server.

        MariaDB [(none)]>   create database chiragdb;        

Step 12. Login to Slave Server. Login to MySQL Server

       # mysql -u root -p        

Step 13. View your Replicated Database ?by using below command.

        MariaDB [(none)]>   show databases;        

Let me know if you'd like further assistance!

For any doubts and query, please write on YouTube video comments section.

Note : Flow the Process shown in video.

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Thanks & Regards,

Chitt Ranjan Mahto "Chirag"

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Note: All scripts used in this demo will be available in our website.

Link will be available in description.

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