Horizontal Scaling

Horizontally scaling an application creates or destroys instances of the application. Incoming requests to the application are automatically load balanced across all the instances allocated to the application, and each instance handles tasks in parallel with every other instance. Adding more instances allows the application to handle increased traffic and demand

Kubernetes:

For this platform you can do the horizontal scaling by increasing the PODS that are the containers allocated for that application. Below snapshot shows scaling through the Kubernetes dashboard.

Pivotal Platform:

Horizontal scaling can be achieved through the cf cli as well as with cloud foundry UI. Use cf scale APP -i INSTANCES to horizontally scale your application. Cloud Foundry will increase or decrease the number of instances of your application to match INSTANCES. Below snapshot shows the horizontal scaling through the cloud foundry UI.

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