Hands-On Azure for Developers

Scaling

Scaling is one of the most important features of SF as the microservices architecture is all about being able to scale out when you need and preserving a stable environment while doing so. In most cases, you will need to scale horizontally (by getting more machines running your workloads) but, of course, it is also possible to scale vertically (so more powerful machines become available and, in some scenarios, it is a better option than scaling out). In general, the answer to whether you need to scale out or up depends on the work your code needs to do:

• If your work can be parallelized, choose to scale out
• If your work performs many calculations and is I/O-heavy and such actions cannot be distributed, choose to scale out

What is ...