Quotas and limits in Managed Service for YDB
Yandex Managed Service for YDB has the following limits:
- Quotas are organizational constraints that can be changed by technical support on request.
- Limits are technical constraints due to YDB architecture. Limits cannot be changed.
If you need more resources, you can increase your quotas in one of the following ways:
- Make a request to increase your quotas.
- Contact support, detailing which quotas you want increased and by how much.
To have your request processed, you must have the quota-manager.requestOperator role or higher, e.g.,editor or admin.
You can manage quotas using Cloud Quota Manager.
Quotas
Dedicated instance mode
| Type of limit | Default value |
|---|---|
| Total number of processor cores for all database hosts per cloud | 64 |
| Total virtual memory for all database hosts per cloud | 256 GB |
| Maximum number of hosts per cloud | 8 |
| Maximum number of databases per cloud | 4 |
| Maximum number of storage groups per cloud | 8 |
Serverless mode
| Type of limit | Default value |
|---|---|
| Maximum number of databases | 4 |
| Maximum number of serverless queries per second, per cloud | 1,000 RUs |
| Maximum number of schema operations* per day, per serverless database | 1,000 |
| Maximum number of schema operations* per minute, per serverless database | 30 |
| Total storage size of serverless databases | 300 GB |
| Number of Data Streams shards in a serverless database | 100 |
*Transactions with quotas: creating, updating, and deleting table schemas, getting a table description, getting a list of tables, and creating and deleting directories.
Limits
For more information about YDB database limits, see the documentation.