Hi Team, I have read the Microsoft document on the Azure Eventhub limits from " https://video2.skills-academy.com/en-us/azure/event-hubs/event-hubs-quotas#basic-vs-standard-vs-premium-vs-dedicated-tiers " I see some discrepancies in this. As Azure eventhub support both AMQP protocol and Kafka Protocol, So in the document its mentioned only on the AMQP protocol? The reason to ask this question is. **Number of consumer groups per event hub is 20 for Standard tier. ** While experimenting I observed that, I get the error while I create more than 20 Consumer group in AMQP protocol. But Kafka Protocol is not limiting. So based on this i understand that, the table is having the limit only on the AMQP protocol end not the Kafka end. If specifically kafka limit is there the document is mentioned about Kafka limit with its tag like below Limits Notes Value Size of a consumer group name Kafka protocol doesn't require the creation of a consumer group. Kafka: 256 characters AMQP: 50 characters Kindly let me know on my understanding is correct in tis case. if not updating the document will get a clear path.

@K S Devadoss, Vishnu Kumar - Thanks for bringing this to our attention. Yes, I agree that the document needs to be fix this issue. Could you please share the feedback on the document to fix this issue as shown below? Once you submit the feedback, please do share the Github Link here for internal tracking. Hope this helps. Do let us know if you any further queries. If this answers your query, do click Accept Answer and Yes for was this answer helpful. And, if you have any further query do let us know.

Azure Eventhub Limits - Microsoft Q&A

Limits	Notes	Value
Size of a consumer group name	Kafka protocol doesn't require the creation of a consumer group.	Kafka: 256 characters AMQP: 50 characters

Accepted answer

PRADEEPCHEEKATLA-MSFT 84,376 Reputation points Microsoft Employee

2024-03-27T08:22:21.32+00:00

@K S Devadoss, Vishnu Kumar - Thanks for bringing this to our attention.

Yes, I agree that the document needs to be fix this issue.

Could you please share the feedback on the document to fix this issue as shown below?

Once you submit the feedback, please do share the Github Link here for internal tracking.

Hope this helps. Do let us know if you any further queries.

If this answers your query, do click Accept Answer and Yes for was this answer helpful. And, if you have any further query do let us know.
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1 person found this answer helpful.
K S Devadoss, Vishnu Kumar 20 Reputation points

2024-03-27T10:01:29.9433333+00:00

Thanks for the quick response @PRADEEPCHEEKATLA-MSFT .

I have created the issue in GitHub here is the issue link.

https://github.com/MicrosoftDocs/azure-docs/issues/121124

And also I would like to understand is there any limits Microsoft going to bring in future for Kafka Protocol In Azure Eventhub like AMQP?

So that users can plan accordingly?

PRADEEPCHEEKATLA-MSFT 84,376 Reputation points Microsoft Employee

2024-04-02T06:50:12.6766667+00:00

@K S Devadoss, Vishnu Kumar - As for future limits, I do not have any information on that. However, Microsoft is committed to providing a reliable and scalable event processing service, so any changes to limits would likely be made with that in mind.

Hope this helps. Do let us know if you any further queries.

K S Devadoss, Vishnu Kumar 20 Reputation points

2024-04-02T08:19:54.48+00:00

Thanks @PRADEEPCHEEKATLA-MSFT yes it really helps...

PRADEEPCHEEKATLA-MSFT 84,376 Reputation points Microsoft Employee

2024-04-02T09:41:37.1566667+00:00

@K S Devadoss, Vishnu Kumar - Glad to know it helped. If this answers your query, do click Accept Answer and Yes for was this answer helpful. And, if you have any further query do let us know.

K S Devadoss, Vishnu Kumar 20 Reputation points

2024-04-02T11:48:07.94+00:00

Hi @PRADEEPCHEEKATLA-MSFT ,

I see a comment from content contributor in the GitHub issue which got created as part of it it says the table is already documented. But I don't see Kafka related limit specifically on the Consumer group.

https://github.com/MicrosoftDocs/azure-docs/issues/121124#issuecomment-2025779111

I would like to re open the same ticket un till document is updated.

PRADEEPCHEEKATLA-MSFT 84,376 Reputation points Microsoft Employee

2024-04-04T08:01:19.2866667+00:00

@K S Devadoss, Vishnu Kumar - We had created a backlog item to update the document with the latest changes and the author has closed the issue but there will be an on-going process to update the document.

Hope this helps. Do let us know if you any further queries.

K S Devadoss, Vishnu Kumar 20 Reputation points

2024-04-04T09:35:15.99+00:00

I agree on the process. But the content author mentioned that its already documented which is misleading. So Content author now agreed to check with Product team to confirm

PRADEEPCHEEKATLA-MSFT 84,376 Reputation points Microsoft Employee

2024-04-04T10:43:52.6466667+00:00

@K S Devadoss, Vishnu Kumar - Let me work with content owner & the product team to get more information related to your query and will get back to you as soon as we have an update.

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