| title | description | services | author | ms.service | ms.topic | ms.date | ms.author | ms.custom |
|---|---|---|---|---|---|---|---|---|
include file |
include file |
event-hubs |
sethmanheim |
event-hubs |
include |
02/26/2018 |
sethm |
include file |
The following table lists quotas and limits specific to Azure Event Hubs. For information about Event Hubs pricing, see Event Hubs pricing.
| Limit | Scope | Notes | Value | | --- | --- | --- | --- | --- | | Number of event hubs per namespace |Namespace |Subsequent requests for creation of a new event hub will be rejected. |10 | | Number of partitions per event hub |Entity |- |32 | | Number of consumer groups per event hub |Entity |- |20 | | Number of AMQP connections per namespace |Namespace |Subsequent requests for additional connections will be rejected and an exception is received by the calling code. |5,000 | | Maximum size of Event Hubs event|Entity |- |256 KB | | Maximum size of an event hub name |Entity |- |50 characters | | Number of non-epoch receivers per consumer group |Entity |- |5 | | Maximum retention period of event data |Entity |- |1-7 days | | Maximum throughput units |Namespace |Exceeding the throughput unit limit causes your data to be throttled and generates a ServerBusyException. You can request a larger number of throughput units for a Standard tier by filing a support request. Additional throughput units are available in blocks of 20 on a committed purchase basis. |20 | | Number of authorization rules per namespace |Namespace|Subsequent requests for authorization rule creation will be rejected.|12 |