Azure compute: Azure Functions

Question 1

What are Durable functions useful for?

Answer 1

Durable Function is an extension of Azure Functions that lets you write stateful functions in a serverless computing environment. The extension lets you define stateful workflows by writing orchestrator functions and stateful entities by writing entity functions using the Azure Functions programming model.

Question 2

What is a trigger?

Answer 2

An event that causes a function to run. A trigger defines how a function is invoked and a function must have exactly one trigger. Triggers have associated data, which is often provided as the payload of the function.

Question 3

What is binding?

Answer 3

Binding to a function is a way of declaratively connecting another resource to the function; bindings may be connected as input, output, or both. Data from bindings are provided to the function as parameters. You can mix and match different bindings to suit your needs.

Question 4

What is an Azure Function?

Answer 4

Azure functions are a serverless solution that allows you to write less code, maintain less infrastructure, and save on costs.

Question 5

What is a cold start?

Answer 5

A cold start refers to the time it takes for a function to run.