Xmas Serverless Transformation: when the elf doesn’t scale!
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Babbo Natale è in difficoltà! E' noto che l'elfo non scala! Con l'approssimarsi del periodo natalizio, le letterine dei bimbi aumentano vertiginosamente e la gestione tradizionale presta il fianco. Babbo Natale non può pretendere che gli elfi lavorino più di quello che già fanno (il sindacato degli elfi è inflessibile) e non può delocalizzare la produzione perché si trova già in un posto sperduto! L'unica soluzione è ottimizzare e razionalizzare il processo sfruttando il cloud e l'approccio serverless: Xmas Serverless Transformation ovvero come rispondere ai picchi di carico senza sfruttare gli elfi! Slide della sessione tenuta all'evento Xmas Dev 2018.
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Xmas Serverless Transformation: when the elf doesn’t scale!
- 1. Gold sponsor Technical sponsor Digital sponsor Community Xmas Serverless Transformation, when the elf doesn’t scale! Massimo Bonanni Paranormal Developer, with the head in the Cloud and all the REST in microservices!
- 2. #xmasdev18
- 3. #xmasdev18 Santa Claus….we have a problem! The number of children in the world who believe in Santa Claus is increasing With the approach of Christmas the letters of the children increase dramatically The letters are handled one by one by elves who can not do everything
- 4. #xmasdev18 Does Santa Claus have any solutions? He has already hired on all the elves of the world He can not hire other elves… The elven union is inflexible and doesn't allow it He cannot expect the elves to work more than they should… Because the factory is already in a lost place ☺ He cannot relocate the business in a remote place…
- 5. #xmasdev18 The solution is…… Santa Claud Platform!!!
- 6. #xmasdev18 Requirements The Santa Claus company is a no-profit and cannot waste money by spending it on services that it doesn’tuse The number of letters received increases only in certain periods of the year (October, November and December) while in the rest of the year the number is less The amount of incoming letters is not predictable and can vary rapidly. Santa Claus cannot lose even a letter .... the children would not forgive him Unfortunately....the platform must work!!
- 7. #xmasdev18
- 8. #xmasdev18 Pay-per-use Instant, event-driven scalability Full abstraction of servers What is serverless?
- 9. #xmasdev18 Full integrationwith Azure ecosystem Functions is the center piece of the Serverless platform
- 10. #xmasdev18 What are Azure Functions? Author functions in C#, F#, Node.JS, Java, and more React to timers, HTTP, or events from your favorite Azure services, with more on the way Send results to an ever-growing collection of services
- 11. #xmasdev18 Updated runtime built on .NET Core 2.1 .NET Functions loading changes New extensibility model. •Decoupled from language providers and bindings Run code from a package Tooling updates: CLI, Visual Studio & VS Code Durable Functions (GA) Improvements to DevOps integration What’s new in 2.0?
- 12. #xmasdev18 How much do they cost? Consumption Plan • Pay only when your functions are running. • Scale out automatically, even during periods of high load. • Function execution times out after a configurable period of time App Sevice Plan • You won't pay more than the cost of the VM instance that you allocate. • You can manually scale out by adding more VM instances, or you can enable autoscale. • Supports Linux hosting. • You must enable AlwaysOn.
- 13. #xmasdev18 What are Durable Functions? Durable Functions is an advanced feature of Azure Functions. They provide the ability to write long running orchestrations using a single function while still being able to maintain a global state.
- 14. #xmasdev18 What are Durable Functions? Run inside the Azure Function Runtime Are built on top of the Durable Task Framework Maintain their execution state using a design pattern known as Event Sourcing Written in C# (Functions v1 and v2), F# and JavaScript (Functions v2 only) – No JSON, No Designer!!! Use Azure Storage queues, tables, and blobs to persist execution history state and trigger function execution
- 15. #xmasdev18 Is the triggered functions that will create new instances of an orchestration. It is the entry point for creating an instance of a durable orchestration Is the heart of a durable function. Orchestrator functions describe the way and order actions are executed Is the basic unit of work in a durable orchestration. An activity function must be triggered by an activity trigger Types of functions Client Orchestrator Activity
- 16. #xmasdev18
- 18. #xmasdev18 Santa Claud Platform The letter is scanned and sent to a Durable Function The function "interprets" the letter using cognitive algorithms
- 19. #xmasdev18 Santa Claud Platform The letters can be entered by the data entry elves through a POST call Recovers the behavior of the child during the year If the child was bad, an email is sent to the support elves The support elf decides whether the child deserves the gift or not If the child still deserves the gift, a record is added to the table of the gifts to order If the child does not deserve the gift, a record is added to the table of rejected gifts
- 20. #xmasdev18 Santa Claud Platform The "spy" elf reports good and bad children with an app and a REST API Every night a report is created with the gifts to be ordered the next day
- 22. #xmasdev18
- 23. DOMANDE E RISPOSTE Massimo Bonanni [email protected] @massimobonanni github.com/massimobonanni/XmasServerlessTrasformation
- 24. #xmasdev18 Gold sponsor Technical sponsor Digital sponsor Community Design by Carmine Alfano www.carminealfano.it