Follower Clusters – 3 Major Use Cases for Syncing SQL & NoSQL Deployments

Follower clusters are a ScaleGrid feature that allows you to keep two independent database systems (of the same type) in sync. Unlike cloning or replication, this allows you to maintain an active, point-in-time copy of your production data. This extra cluster, known as a follower cluster, can be leveraged for multiple use cases, including for analyzing, optimizing and testing your application performance for MongoDB, MySQL and PostgreSQL. In this blog post, we will cover the top three scenarios to leverage follower clusters for your application.

How Do Follower Clusters Differ From Replication?

Unlike a static clone, this data imports on a set schedule so your follower cluster is always in sync with your production cluster. Here are a few critical ways in which it differs from replication:

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