Introduction to MySQL Replication & High Availability
Published October 01, 2026
By Sai Sree Ram Gundepudi
Why Replication?
MySQL replication enables copying of data from one server (master) to another (slave). This improves read performance, allows backups without downtime, and provides high availability.
HA Concepts
- Failover mechanisms
- Load balancing
- Geographical distribution
Common tools: MySQL Replication, Group Replication, MySQL InnoDB Cluster