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 and specify 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 your quotas with Cloud Quota Manager.
Quotas
Dedicated instance mode
|
Type of limitation |
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 limitation |
Default value |
|
Maximum number of databases |
4 |
|
Maximum number of serverless queries per second, per cloud |
1,000 RU |
|
Maximum number of schema operations* per day in a single serverless database |
1,000 |
|
Maximum number of schema operations* per minute in a single serverless database |
30 |
|
Total storage size of serverless databases |
300 GB |
|
Number of Data Streams shards in a serverless database |
100 |
|
Number of billable request units per second in serverless mode |
1,000 |
*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.