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Migrating Applications to the Cloud with Azure
book

Migrating Applications to the Cloud with Azure

by Sjoukje Zaal, Amit Malik, Sander Rossel, Jason Marston, Mohamed Waly, Stefano Demiliani
December 2019
Intermediate to advanced content levelIntermediate to advanced
494 pages
11h 41m
English
Packt Publishing
Content preview from Migrating Applications to the Cloud with Azure

Dynamic scaling

One very cool feature of serverless and Azure Functions is that Azure scales servers up and down dynamically. A function can be a piece of code that you can call using an HTTP request. So, when you're calling a function a hundred times in a loop, and each execution takes a couple of seconds, Azure can decide to scale up a couple of servers so that you're not waiting for ages to complete the execution processes.

However, there are some limitations to scaling. You never get more than 200 servers and Azure only scales up one server every 10 seconds at most. One server can still handle more than one execution at a time, though, so if you have 200 servers, you can probably handle some thousands of executions in parallel.

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Publisher Resources

ISBN: 9781839217470Supplemental Content