Quotas and limits in Managed Service for YDB
Written by
Yandex Managed Service for YDB has the following limits:
- Quotas are organizational restrictions that can be changed by technical support on request.
- Limits are technical limitations due to architectural features Yandex Cloud. The limits cannot be changed.
Quotas
Dedicated instance mode
| Limits | Value |
|---|---|
| Total number of processor cores for all the database hosts in a cloud | 64 |
| Total virtual memory for all DBs 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
| Limits | Value |
|---|---|
| Maximum number of databases | 4 |
| Maximum number of serverless queries per second per cloud | 1000 RU |
| Maximum number of schema operations* per day per serverless database | 1000 |
| Maximum number of schema operations* per minute per serverless database | 30 |
*Transactions for which there is a quota: creating, updating, and deleting table schemas, getting a table description, getting a list of tables, and creating and deleting directories.