Azure Event Hub multiple recipients

Question

I have a server which will need to send messages to several clients to let the clients know that something needs to be done.

I am trying to achieve this by using Azure Event Hub.

I use the following code to send the message:

await eventHubClient.SendAsync(
    new EventData(Encoding.UTF8.GetBytes(String.Format("Message {0}, {1}", i, sMessage))), 
    "1")
    .ConfigureAwait(continueOnCapturedContext: false);
await eventHubClient.CloseAsync();

I use two WPF application as listeners which will create the listener at startup and will save the EventProcessorHost in a private variable.

When I send a message it's random which of the listeners will process the message.

Is is possible to send messages to multiple recipients with Azure Event Hub?

Why use the EventHub for this instead of Azure Service Bus? Do you expect a very high throughput? Have you read microsoftintegration.guru/2015/03/03/… and stackoverflow.com/questions/28183020/…? — Peter Bons

Mikhail Shilkov Mikhail Shilkov · Accepted Answer · 2017-06-08T09:28:16

You need to put each listener to a separate Consumer Group.

Listeners of the same consumer group are "Competing Consumers", i.e. the first one who takes a lock on an event hub partition wins.

Azure Event Hub multiple recipients

1 Answers