---
title: Scale MySQL Clusters
description: Resize clusters and add standby and read-only nodes.
product: Databases
url: https://docs.digitalocean.com/products/databases/mysql/how-to/scale-cluster/
last_updated: "2026-07-31"
---

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# Scale MySQL Clusters

Generated on 1 Aug 2026

MySQL is an open source, object-relational database built with speed and reliability in mind. Its large and active developer community has created many third-party applications, tools, and libraries that expand MySQL’s functionality.

[How to Resize MySQL Database Clusters](https://docs.digitalocean.com/products/databases/mysql/how-to/resize/index.html.md): Change the size of your database cluster to accommodate your data needs.

[How to Add Standby Nodes to MySQL Database Clusters](https://docs.digitalocean.com/products/databases/mysql/how-to/add-standby-nodes/index.html.md): Add standby nodes to new or existing MySQL database clusters for high availability.

[How to Add Read-Only Nodes to MySQL Database Clusters](https://docs.digitalocean.com/products/databases/mysql/how-to/add-read-only-nodes/index.html.md): Add read-only nodes to reduce latency for users in specific regions.