Tiered storage

Tiered storage in Aiven for ClickHouse® allows you to use storage resources efficiently and can help reduce storage costs of your service.

Tiered storage feature

The tiered storage feature introduces a method of organizing and storing data in two tiers for improved efficiency and cost optimization. The data is automatically moved to an appropriate tier based on your database's local disk usage.

Access tiered storage details

When you enable tiered storage, you can preview its details in the Aiven Console from the service Overview:

• Click Tiered storage or
• Click Databases and tables > your table > Actions > View details > Tiered storage.

Enable tiered storage

Enable the tiered storage feature on a table in your Aiven for ClickHouse® service.

Set up data retention

Control how your data is distributed between storage devices in the tiered storage of an Aiven for ClickHouse service. Configure tables so that your data is automatically written either to SSD or object storage as needed.

Check data distribution

Monitor how your data is distributed between the two layers of your tiered storage: SSD and object storage.

Move data between storage devices

Moving data from SSD to object storage allows you to size down your SSD by selecting