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Real time
Dashboard with
CosmosDb,Azure
Functions, Azure
SignalR service and
Blazor
By Mangesh Gaherwar
Meet our Developer Mr. J
Asked to design a system which
will give user the real time
update of the weather
Polling Based Dashboard
Traditional approach which will be timer based fetching of the data from server
Issues with this approach…
Issues with this approach
Client tries to
connect server data
is available or not
Selecting Tim...
Whats the
Solution ????
• Design a system which will
reduce this issues as reducing
the traffic to the server and
making s...
Azure functions development with Cosmos
Db change feed
• CosmosDBTrigger : Trigger used to invoke the function
• databaseN...
Azure SignalR service Configurations
Azure Service configuration
mode
Default Serverless
Classic
Azure functions with Azure SignalR
service
SignalR Service Bindings
Trigger Binding
Input Binding
Output Binding
You can find me
at
• Twitter : @dotnetgik1
• Linkedin : Mangesh Gaherwar
• Blog : www.dotnetgik.com
Thank You
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CREATING REAL TIME DASHBOARD WITH BLAZOR, AZURE FUNCTION COSMOS DB AN AZURE SIGNALR SERVICE

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In this talk people will get to know how we can use change feed feature of Cosmos DB and use azure functions and signal or service to develop a real time dashboard system

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CREATING REAL TIME DASHBOARD WITH BLAZOR, AZURE FUNCTION COSMOS DB AN AZURE SIGNALR SERVICE

  1. 1. Real time Dashboard with CosmosDb,Azure Functions, Azure SignalR service and Blazor By Mangesh Gaherwar
  2. 2. Meet our Developer Mr. J Asked to design a system which will give user the real time update of the weather
  3. 3. Polling Based Dashboard Traditional approach which will be timer based fetching of the data from server
  4. 4. Issues with this approach… Issues with this approach Client tries to connect server data is available or not Selecting Time interval is also difficult. Once data is returned then client app is updated regardless of any change in data or not As the application grow amount of data exchanged between client and server become a problem
  5. 5. Whats the Solution ???? • Design a system which will reduce this issues as reducing the traffic to the server and making sure the UI is updated whenever the data changes . Image source : Microsoft docs Data is added in Cosmos Db As Data changes Azure Cosmos Db exposes a Change feed Triggers the Azure function which use the Cosmos Db Trigger Using SignalR output binding Publishes message to Clients
  6. 6. Azure functions development with Cosmos Db change feed • CosmosDBTrigger : Trigger used to invoke the function • databaseName : Name of the Database • collectionName : Name of the container • ConnectionStringSetting : Key Name from app setting which holds the connection string to the Cosmos Db • LeaseCollectionName : Name of the lease collection
  7. 7. Azure SignalR service Configurations Azure Service configuration mode Default Serverless Classic
  8. 8. Azure functions with Azure SignalR service SignalR Service Bindings Trigger Binding Input Binding Output Binding
  9. 9. You can find me at • Twitter : @dotnetgik1 • Linkedin : Mangesh Gaherwar • Blog : www.dotnetgik.com
  10. 10. Thank You

In this talk people will get to know how we can use change feed feature of Cosmos DB and use azure functions and signal or service to develop a real time dashboard system

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