SignalR issue while Scaling out azure webapp

Question

I have existing Asp.net mvc azure webapp running on .net framework 4.6.2. I am using SignalR for real time operations. Everything works fine until I enable autoscaling. After enable autoscaling I am not getting messages everytime. I know this is because multiple website instances. I saw and tried some options to fix this i.e.

  (i) Service Bus
  (ii) Sql server backplane
  (iii) Redis backplane

Now I also heared about Azure SignalR Service.

I tried Service bus but its not working. I am also bit confused in "appName" parameter GlobalHost.DependencyResolver.UseServiceBus(connectionString, "appName"); is it my webapp name or service bus name ? However I tried both and not working

Secondly I tried azure signalR service. I installed required packages but I have no function with name 'app.MapAzureSignalR(this.GetType().FullName)' available in Startup.cs. Not picking up any namespace reference too.

For azure signalR service :- Is It available for only .Net core?

Please help me to find a solution that is easy to implement and cost effective. I have not much traffic on my site.

ThrowingSpoon · Accepted Answer · 2019-01-13 22:45:04Z

0

If you don't have the MapAzureSignalR method it probably means you're using the wrong package (or wrong version).

The correct package for .net Framework is Microsoft.Azure.SignalR.AspNet

At the time of writing the Package Manager command to install is

Install-Package Microsoft.Azure.SignalR.AspNet -Version 1.0.0-preview1-10275

Here's a link to the package on Nuget that will tell you latest version which may change frequently as the package is in preview.

answered Jan 13, 2019 at 22:45

ThrowingSpoon

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