July 2019
Intermediate to advanced
410 pages
10h 32m
English
Content preview from Hands-On Design Patterns with C# and .NET Core
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Horizontal scaling
Horizontal scaling differs from vertical scaling because, instead of altering the size of a system, horizontal scaling changes the number of systems involved. For example, a web application might run on a single server having 4 GB RAM and 2 CPUs. If the server was increased in size to 8 GB RAM and 4 CPUs, then this would be vertical scaling. However, if two more servers were added with the same configuration of 4 GB RAM and 2 CPUs, then this would be horizontal scaling.
Horizontal scaling can be achieved by using some form of load balancing that redirects the requests across a collection of systems as illustrated in the following diagram:
Horizontal scaling is usually preferred in cloud solutions over vertical scaling. ...
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