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Save Azure Cost
- 1. Architect your cloudapplication to save cost up to 90% using azure functions Karthikeyan VK Web Architect Twitter: @Karthik3030 Blogs.karthikeyanvk.in
- 2. Why Azure functions? No server needed dedicated for a single application You don’t own a server Scale on demand Pay per use pricing model Supports various languages.
- 3. What is Azurefunctions ? Azure Functions is a solution for easily running small pieces of code, or "functions," in the cloud.
- 4. Types of Azurefunctions Timer Trigger Http Trigger Queue/Blob Trigger Web Hooks
- 5. Functions Plan Consumptionplan - When your function runs, Azure provides all of the necessary computational resources. You don't have to worry about resource management, and you only pay for the time that your code runs. App Service plan - Run your functions just like your web, mobile, and API apps. When you are already using App Service for your other applications, you can run your functions on the same plan at no additional cost.
- 6. Web App Pay beforeuse Always on, so no initial time lag Minimum cost 35 dollars* Extra cost for auto scaling Azure functions Pay per use Slow Start-up 1 million requests and 400,000 GB-s of resource consumption per month Scale on demand
- 7. Azure Functions –Stateless
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- 10. Manage States inAzure functions
- 11. What is state? The state is all of the information that is retained by your program, often with respect to previous events or interactions. For example, If you add a product to the cart in Amazon using mobile app and when you login into amazon web app, you can see the product added in your web app. Now the cart details is the one of the state of amazon application
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- 13. Why Durable Functions? Azure functions are stateless, to manage states in azure functions. You need Durable functions Long running functions can be architected to run on Durable functions
- 14. Why Durable Functions? You can define workflows in code. They can call other functions synchronously and asynchronously. Output from called functions can be saved to local variables
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- 16. Patterns in Azuredurable functions Function Chaining Fan in/Fan out Async Http API Monitoring Human Interaction
- 17. Pattern #1: Functionchaining Function chaining refers to the pattern of executing a sequence of functions in a particular order. Often the output of one function needs to be applied to the input of another function.
- 18. Pattern #2: Fan-out/fan-in Fan-out/Fan-in refers to the pattern of executing multiple functions in parallel, and then waiting for all to finish. Often some aggregation work is done on results returned from the functions.
- 19. Pattern #3: AsyncHTTP APIs A common way to implement this pattern is by having the long-running action triggered by an HTTP call, and then redirecting the client to a status endpoint that they can poll to learn when the operation completes.
- 20. Pattern #4: Monitoring The monitor pattern refers to a flexible recurring process in a workflow Instead of exposing an endpoint for an external client to monitor a long- running operation, the long-running monitor consumes an external endpoint, waiting for some state change.
- 21. Pattern #5: Humaninteraction Involving humans in an automated process is tricky because people aren't as highly available and as responsive as cloud services.
- 22. Demo on Azure Durablefunctions - Patterns
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- 24. Draw backs ofStandard Azure functions In consumption mode, the azure functions has cold start You cannot define the CPU type of your running process
- 25. Premium Azure functions No cold start VNet connectivity Premium hardware Elastic SKU
- 26. Demo on Premium Azurefunctions
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- 29. Why Azure proxies? Single URL for multiple apps Build fake back end in minutes Avoid CORS issues
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Editor's Notes
- #3 Functions can make development even more productive, and you can use your development language of choice, such as C#, F#, Node.js, Java, or PHP
- #4 Azure Functions is a solution for easily running small pieces of code, or "functions," in the cloud. Functions can make development even more productive, and you can use your development language of choice, such as C#, F#, Node.js, Java, or PHP
- #7 * - Free and shared available but it is not always on and it has very less configuration relatively to your laptop in CPU and memory.
- #23 https://docs.microsoft.com/en-us/azure/azure-functions/durable/durable-functions-create-first-csharp