5 Questions
What is horizontal scaling, also known as 'scaling out', and how does it differ from vertical scaling?
Horizontal scaling is distributing an application or service across multiple machines to distribute workload, unlike vertical scaling which involves upgrading a single machine.
What is the role of a load balancer in a horizontally scaled system?
A load balancer distributes incoming requests across multiple machines, preventing any single machine from becoming overloaded.
What are some advantages of horizontal scaling?
Advantages include high availability, elasticity, and cost-effectiveness.
What are some challenges associated with horizontal scaling?
Challenges include increased complexity in managing multiple machines and potential network overhead affecting performance.
How does horizontal scaling enable adapting to changing workloads?
By adding or removing machines as needed, horizontal scaling allows for easy adaptation to changing workloads.
Learn how horizontal scaling, or scaling out, works by distributing workload across multiple machines in a cluster, and how load balancing handles user requests.
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