Replication is a crucial aspect of database management, ensuring data consistency and availability across multiple systems. This section of the manual provides an overview of the replication process, its benefits, and the configurations available.

Benefits of Replication

  • Data Availability: Replication allows for multiple copies of data to be stored in different locations, reducing the risk of data loss due to hardware failures or disasters.
  • Data Consistency: With replication, any changes made to the primary database are automatically propagated to the replicas, ensuring that all copies of the data are consistent.
  • Load Distribution: Replication can help distribute the load across multiple servers, improving performance and scalability.

Replication Process

The replication process involves the following steps:

  1. Master-Slave Configuration: The master database is the primary source of data, while the slave databases receive the data from the master.
  2. Change Data Capture (CDC): The master database captures changes made to the data and sends them to the slave databases.
  3. Data Synchronization: The slave databases apply the changes received from the master to their own data sets.

Configuration Options

There are several configuration options available for replication, including:

  • Binary Logging: This option enables the master database to log all changes made to the data.
  • Replication Slaves: You can configure multiple slave databases to receive the data from the master.
  • Replication Filters: You can specify which databases, tables, or columns should be replicated.

Additional Resources

For more detailed information on replication, please refer to the following resources:

Replication Diagram