Quotas and limits in Data Streams
Written by
Updated at April 28, 2025
Yandex Data Streams has the following limits:
- Quotas
are organizational constraints that our support team can change upon request. - Limits are technical constraints of the Yandex Cloud architecture. You cannot change the limits.
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
Type of limit | Value |
---|---|
Maximum number of data transmission streams | 10 |
Maximum data retention period for a data stream | 24 hours |
Limits
Type of limit | Value |
---|---|
Maximum data write requests per second for a single data stream segment | 1,000 RPS |
Maximum data write speed for a single segment | 1 MB/s |
Maximum single-segment data read speed for all standard consumers | 2 MB/s |
Maximum number of dedicated data consumers per data stream | 5 consumers |
Maximum size per message | 1 MB |
Number of shards in a YDB serverless database | 100 |