---
name: cloud-databases-scaling
title: Scale an instance
description: Follow the steps for scaling a Cloud Databases instance of your preferred service. Scale through the catalog, the Cloud Databases CLI plug-in, the Cloud Databases API, through Terraform, or through pre-built, open-source, and enterprise-ready Terraform IBM Modules (TIM) that support the auto-scaling feature.
last-updated: 2026-03-10
---

> ## Documentation Index
> The table of contents for this documentation set is at https://cloud.ibm.com/docs/cloud-databases?format=markdown
> The index for all IBM Cloud docs is at: https://cloud.ibm.com/docs/llms.txt
> Use these files to discover more information as needed.

# Scale an instance
{: #scale-instance}

Follow the steps for scaling a Cloud Databases instance of your preferred service. Scale through the [catalog](https://cloud.ibm.com/catalog){: external}, the [Cloud Databases CLI plug-in](https://cloud.ibm.com/docs/cloud-databases?topic=cloud-databases-cdb-reference&format=markdown){: external},
the [Cloud Databases API](https://cloud.ibm.com/apidocs/cloud-databases-api/cloud-databases-api-v5#introduction){: external}, through [Terraform](https://registry.terraform.io/providers/IBM-Cloud/ibm/latest/docs/resources/database){: external}, or through pre-built, open-source, and enterprise-ready [Terraform IBM Modules (TIM)](https://registry.terraform.io/search/modules?q=terraform-ibm-modules%2Ficd){: external} that support the auto-scaling feature.


- [Databases for PostgreSQL](https://cloud.ibm.com/docs/databases-for-postgresql?topic=databases-for-postgresql-resources-scaling&interface=u&format=markdown){: external}f

- [Databases for MongoDB](https://cloud.ibm.com/docs/databases-for-mongodb?topic=databases-for-mongodb-resources-scaling&interface=ui&format=markdown){: external}

- [Databases for Redis](https://cloud.ibm.com/docs/databases-for-redis?topic=databases-for-redis-resources-scaling&interface=ui&format=markdown){: external}

- [Databases for Elasticsearch](https://cloud.ibm.com/docs/databases-for-elasticsearch?topic=databases-for-elasticsearch-resources-scaling&interface=ui&format=markdown){: external}

- [Databases for MySQL](https://cloud.ibm.com/docs/databases-for-mysql?topic=databases-for-mysql-resources-scaling&format=markdown){: external}

- [Messages for RabbitMQ](https://cloud.ibm.com/docs/messages-for-rabbitmq?topic=messages-for-rabbitmq-resources-scaling&interface=ui&format=markdown){: external}