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. 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.

    3 votes
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  2. Provide specific exception for HSM Key decrypt failures

    HSM key rotation creates a new version which may cause a distributed race condition between Event Hub consumer and producer. By providing a specific exception type for decrypt failure due to invalid key other than the one further below, allows me fallback to previous version and retry. However, at this time I'm relying in the error message below, which is a weak approach since any chance in the exception message will break my retry logic.

    Microsoft.Azure.KeyVault.Models.KeyVaultErrorException: Unable to decrypt specified value with this key

    3 votes
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  3. 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.

    2 votes
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  4. Add reporting for metrics that impact billing, and for cost/budget forecasting.


    • TU count

    • Event.Ingress: % of actual versus total capacity

    • Events.Egress: % of actual versus total capacity

    • Throughput.Incoming: % of actual versus total capacity

    • Throughput.Outgoing: % of actual versus total capacity

    These metrics would help to answer questions:
    - Based upon our current usage and current billing structure, how can I forecast future costs as our scale increases? Similar to existing Azure Stream Analytics "SU %": this metric allowed me to roughly guage our current usage (versus capacity) and budget for future growth.
    - What was the metric that triggered auto-inflate of TU count: Events? Throughput? Incoming? Outgoing?
    - "TU count":…

    2 votes
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  5. Please increase the number of event hubs per namespace

    Please increase the number of event hubs per namespace. 10 hubs are not enough.
    Please increase the current limit from 10 to 100 on standard tier.

    2 votes
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  6. Emit EventGrid messages when the EventHub is scaled up/down

    Downstream services that consume EventHubs sometimes need to know when an EventHub is scaled up or down so they can react and scale accordingly. It would be really useful if an EventHub emitted this into EventGrid so that downstream services can listen for it and react to it.

    2 votes
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  7. Kafka protocol prevents connections from closing after a GeoDR failover

    Event Hub Disaster Recovery needs manual intervention of restarting the application to start pushing messages to secondary namespace as kafka protocol prevents connections from closing after triggering failover.

    It would be nice if the kafka can automatically have a new connection at the time of failover.

    1 vote
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  8. Diagnostic setting should allow EventHub SAS policy instead of Namespace SAS policy

    In Diagnostic setting for any resource when sending events to EventHub it allows only namespace SAS policy. It will be good if it allows EventhHub SAS Policy.

    Also today the option should say “EventHub Namespace policy name” instead of “Event hub policy name” as it confuses many users.

    1 vote
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  9. ORC format for Event Capture

    Please support ORC format for event capture. Research suggests it could be much denser for sparse data.

    FYI: It is already supported by Data Factory, SQL DW/Synapse, ADLA, and Hive (via HDInsight).

    1 vote
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  10. In azure portal Eventhub how to find AMQP links are idle, expired, active etc.

    In azure portal Eventhub how to find AMQP links are idle, expired, active etc.

    1 vote
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  11. add a description free text field inside envent hub IP firewall list

    add a description free text field inside envent hub IP firewall list

    1 vote
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  12. how to add customized EnqueuedTimeUtc to event hub message?

    if we want to delay the eventhub message execution in eventhub receiver for some dependency .

    1 vote
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  13. 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.

    1 vote
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  14. Update Eventhub documentation with correct aliases

    Event hub team has recently made some updates in their aliases. It would be really great if we can have proper documentation regarding event hub aliases.

    1 vote
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  15. Let EventHub REST api for batch event sending take "Body" as a json object instead of just a string.

    The two options for batch sending right now are to use the managed client or the REST apis. The managed client lets you just slam in a bytesegment created on a buffer that holds valid json, but then you have to manually set name/value pairs in the Properties collection for any items that you want set in that collection. The REST api lets you just provide the whole UserProperties collection as a single json object, but then requires that you escape all your json to put it in the "Body" field as a string.

    If I've already got the ability…

    1 vote
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