April 2019
Intermediate to advanced
360 pages
9h 17m
English
An example of horizontal scaling is when we increase or decrease our processing load such as with more servers or database servers. Since we only scale when our system requires it, we only pay for what we use. This underscores the importance of never having too much nor too little processing capability.
When we horizontally scale, we are scaling out. An easy way to remember this is that you would need to zoom out of your system's diagrams to see the additional servers on the same horizontal level.
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