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Zorluk: KolayHigh Availability, Scalability, and Elasticity

A digital publishing company experiences a predictable increase in readers every morning between 8:00 AM and 10:00 AM. To handle this daily peak, the IT team manually increases the size (vCPUs and RAM) of their existing database server every morning, and decreases it in the afternoon. Does this manual adjustment of the database server's size represent horizontal scaling?

Cevap: Cevap

Cevap

The manual adjustment of increasing the size (vCPUs and RAM) of an existing database server represents vertical scaling (scaling up), not horizontal scaling (scaling out). Therefore, the correct answer is False.
The correct answer is False because horizontal scaling involves adding more instances of a resource (scaling out) to distribute the load, whereas the scenario describes adding more capacity (vCPUs and RAM) to a single existing server, which is vertical scaling (scaling up).

Adım Adım Çözüm

1
Analyze the action performed by the IT team in the scenario.
The IT team is increasing the physical specifications (vCPU and RAM capacity) of a single, existing database server.
To classify the type of scaling, we must determine if resources are being resized or if new resources are being added.
2
Compare the action against the definitions of vertical and horizontal scaling.
Resizing an existing instance is vertical scaling (scaling up/down). Adding more instances is horizontal scaling (scaling out/in).
This comparison identifies that the scenario describes vertical scaling, which means it does not represent horizontal scaling.

Anahtar Kavram

Vertical scaling (scaling up) increases the capacity of a single resource, whereas horizontal scaling (scaling out) adds additional resource instances.
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