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What is Azure Function Dedicated plan?
Experience Level: Senior
Tags: Azure App serviceAzure Cloud
Answer
You pay for function apps in an App Service Plan as you would for other App Service resources. This differs from Azure Functions Consumption plan or Premium plan hosting, which have consumption-based cost components. You are billed only for the plan, regardless of how many function apps or web apps run in the plan.
If you run on an App Service plan, you should enable the Always on setting so that your function app runs correctly. On an App Service plan, the functions runtime goes idle after a few minutes of inactivity, so only HTTP triggers will "wake up" your functions. The Always on setting is available only on an App Service plan. On a Consumption plan, the platform activates function apps automatically.
Even with Always On enabled, the execution timeout for individual functions is controlled by the functionTimeout setting in the host.json project file.
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