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Grmacjon-MSFT avatar image
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Grmacjon-MSFT asked JahnaviValluri-4558 answered

How many instances will I need for my Function App moving from Consumption to Premium SKU?

I currently have a Function App running on Consumption Plan. When I navigate in the Portal for this Function App to Diagnose and Solve Problems -> Availability and Performance -> HTTP Functions Scaling, it looks like my app is using up to 100 workers at a time. However when I look at a Premium SKU App Service Plan, I get a quota limit of scaling out the app to 20 instances. Is the number of instances showing in Diagnose and Solve blade correct and if so then how can I increase this limit?

azure-functions
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JahnaviValluri-4558 avatar image
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JahnaviValluri-4558 answered

1 Server in consumption plan is not the same as 1 server in a Premium dedicated plan. The ratio is 10:1, which means if 10 servers are needed for consumption plan, only 1 would be needed in Premium plan.
This means in the above case only 10 workers should be needed which is under the 20 scaling quota mentioned. If more is needed in the future then please open a Support Request.

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