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Which is the best MySQL binlog based replication?
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How are binary log files sent to slaves?
Once the log files are available for slaves to be processed, the slaves are put together in such a way to read the binary log from the master and to carry out the events on the slave’s local (destination) database. A copy of the binary log file is sent from the master to all slaves that are configured in the system.
How to create a replication slave in MySQL?
To create a new user account, use the CREATE USER command. mysql> GRANT REPLICATION SLAVE ON *.* TO ‘username’@’%. domain.com’; To start the replication process, we should know the master’s current coordinates within its binary log to configure the slave. Get started with a session on the master.
How is configuration between the master and each slave done?
The configuration between the master & each slave is to be done with a unique ID using the server_id variable. Each slave should also have the details about master hostname, log file name & position within that file. The master info repository of the slave is used to save these details where it could be either a file or a table.
How to disable binary logging in MySQL replication?
To disable binary logging, you can specify the –skip-log-bin or –disable-log-bin option at startup. If either of these options is specified and –log-bin is also specified, the option specified later takes precedence. When binary logging is disabled, the log_bin system variable is set to OFF.
How does replication work in a MySQL database?
In MySQL, replication involves the source database writing down every change made to the data held within one or more databases in a special file known as the binary log. Once the replica instance has been initialized, it creates two threaded processes.
Where to find binary log files in MySQL?
For compatibility with earlier releases, if you supply the –log-bin option with no string or with an empty string, the base name defaults to host_name -bin , using the name of the host machine. The default location for binary log files is the data directory.