Event Hubs

Azure Event Hubs is a hyper-scale data ingestion service, fully-managed by Microsoft, that enables you to collect, store and process trillions of events from websites, apps, IoT devices, and any stream of data.

  1. Allow more than 10 hubs per event hub namespace

    Event hub namespaces have a hard limit of 10 hubs. It would be great to be able to raise that limit to 100 or 1000 or whatever via a support request.

    We use Azure Event Hubs with Kafka. A namespace for us is a kafka server and a hub is a kafka topic. Now we have to split topics per kafka server based on Azure's 10 hubs hard limit, which is counterintuitive and complicates our setup.

    105 votes
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  2. emulator

    An Azure Event Hub emulator (preferably in a container) to do local testing

    49 votes
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  3. Allow Secondary EventHub's tags to be updated via ARM/PS/Policies

    When setting up Azure policy for tag inheritance, you cannot exclude secondary namespaces, even though by definition the secondary namespaces cannot be updated under any circumstances. So when you do an automated deployment the policy kicks in and deployment fails wit the error "Cannot update a namespace that is secondary".

    The only suggested way to get around this from Microsoft is to break the pairing (10 minutes) delete secondary namespace's event hubs (2-5 minutes) and set up tags enable pairing gain (10 minutes). I am setting this as the baseline, and it turns out it will be at least 25…

    38 votes
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  4. Data Lake Gen2 Capture Support

    Currently you can capture to Data Lake Gen1 or Blob but not Data Lake Gen 2. Sad times.

    35 votes
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  5. I want to see number of outgoing messages by consumer group

    I can load up graphs showing outgoing messages by the event hub, but I want to see more granularly down to outgoing messages by the consumer group.

    26 votes
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  6. event hubs firewall

    Provide an option to allow azure services access through the firewall for Azure Event Hubs.

    It is common practice to utilize services such as Azure Stream Analytics to consume data from Event Hubs. When enabling the firewall for the event hub service this blocks ASA from connecting. Other services such as ADLS and Azure SQL Database already have this simple option to toggle for their firewall settings. It would be great to have this common option for firewall options across all services.

    26 votes
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  7. Provide Event Hub viewer / explorer

    It would be good if some sort of viewer/explore was provided for looking at the events within an Event Hub. This could be done either via the portal or Azure Storage Explorer.

    When developing I currently use https://marketplace.visualstudio.com/items?itemName=Summer.azure-event-hub-explorer to view events as they are produced.

    However, it would be good if a tool existed that let you browse events within the retention period. With the possibility to query by timestamp & partition key. As well as the event body, it would be good to be able to see the properties and other metadata.

    We use Event Hub as the integration…

    25 votes
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  8. Remove the EventHub Message Size limit of 1MB

    Currently we have a size limit on the incoming messages on an EventHub as 1MB. Some processes batch the messages before sending them, to avoid making several POST requests. Even though the batch size is small as 10, the size is unpredictable when the message is sent, as it hits the 1MB mark. Please could we remove the size limit or at least increase the limit form 1MB to 5MB/10MB?

    Kafka does not have a size limit. Google has a limit of 10MB.

    22 votes
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  9. Docker image for Event Hub in local/dev/test environments

    A container that acts like an event hub so that in local/dev/test/ci environments it's easy to spin up and tear down application stacks that are dependent on event hub.

    13 votes
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  10. Kafka Streaming connection with Event Hub

    In trying to be more efficient with read/writes into CosmosDB my customer is requesting that having a Kafka Stream connect to Event Hub directly will provide some signficant savings. Also Kafka is very commonly used for Streaming across various enterprises and so hopefully supporting this connectivity for Event Hub might mean a good thing.

    Some more details with an example below, there are workarounds I am sure but hope this helps:

    o We currently have several read services and several write services. With Kafka Streaming the reads are consolidated in a Kafka queue and published to Event Hub as a…

    8 votes
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  11. Diagnostics Logging should also log successful/unsuccessful authentication/authorization requests

    Same as in Azure Search, Cosmos DB and other components, diagnostics logging should also log 401/403 errors when e.g. trying to access Event Hubs with a wrong Token/Key.

    This is important for security reasons to setup e.g. Alerting in Log Analytics to monitor "unsuccessfull authentication/authorization" attempts

    8 votes
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  12. Please provide message and events replication for disaster recovery in the Event hub .Currently It supports metadata replication only.

    Please provide message and events replication for disaster recovery in the Event hub .Currently It supports metadata replication only.We have to poll stuck messages from old primary event hub.Event hub Disaster recovery involves manual steps .Please provide feature to replicated the messages also .So that this process become automatic.

    6 votes
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  13. Add more fine-grained ACLs for message listeners

    Currently, a listener of an EventHub has access to all the messages within that EventHub. In the case of untrusted consumers (e.g. in a multi-tenant system), it's sometimes useful to restrict this permission to only read some of the messages in the EventHub.

    A sample scenario is for using a shared Event Hub as a multi-tenant distributed log for a service. As it stands, each customer can already have their own publisher key to the shared Event Hub. It would also be nice if each customer can get a SAS key that only allows them to listen to messages from…

    6 votes
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  14. please add a group of ip at one time in IP filter

    We try to add 30+ IPs of specified region in azure https://www.microsoft.com/en-sg/download/details.aspx?id=41653. But we find that we have to add it one by one. It is brute force.

    Please help adding a function to add a group of ip/range. We can separate different ip/range with ; or ,

    5 votes
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  15. Built-in Capture feature of Event Hub should preserve milliseconds in EnqueuedTimeUTC system property

    When activating the built-in capture feature in Event Hub, messages are stored in Blobs using AVRO format. In AVRO, system prop EnqueuedTimeUTC is serialized as a string, and the odd part is that milliseconds are not there. Basically, capture feature is truncating the original information, which it should not do

    4 votes
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  16. Allow Event Capture to output in different file formats

    Currently event capture only supports writing in avro. It would be nice to support other file formats for processing e.g JSON and parquet.

    4 votes
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  17. Add an automatic scale down to better handle fluctuating workloads.

    The current auto-inflate feature is great to handle gradual increase in workload without downtime. For peak loads, however, it means billing is done on the highest throughput of a given period if no action is taken. This is detrimental to a number of use-cases.

    4 votes
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  18. Show Event Hub usage and quota in Usage + Quotas.

    Please consider showing the Event Hub usage and quota in Usage + Quotas just like it is shown for Storage Accounts.

    4 votes
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  19. Kafka Streams support for Event Hubs

    Providing Kafka compatiblity with the Azure Event Hubs is great! It would be further cool, if we could run our Kafka Stream based analytics against the Event Hubs.

    4 votes
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  20. Need to monitor throughput, incoming/outcoming message on individual Event Hub instead of Event Hubs Name Space

    Need to monitor throughput, incoming/outcoming message on individual Event Hub instead of Event Hubs Name Space

    4 votes
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