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 Amazon Elastic Block Store (EBS) or object storage as needed.
Check data distribution
Monitor how your data is distributed between the two layers of your tiered storage: Amazon Elastic Block Store (EBS) and object storage.
Move data between storage devices
Moving data from Amazon Elastic Block Store (EBS) to object storage allows you to size down your EBS by selecting
Local on-disk cache for remote files
Aiven for ClickHouse®'s tiered storage features local on-disk cache for remote files for improved query performance and reduced latency.