CH4: Scalability

scalable system

A system whose performance improves after adding hardware, proportionally to the capacity added, is said to be a ____ ____.

scaling horizontally

Adding more components to an existing set of functionally similar components. More recently these components do not need to be at the same generation/capability as others in a scaling group.

storage access speeds

If your design will be that every tenant must be able to communicate with every other tenant, you will eventually run up against physical limitations of network size and acceptable ____ ____ ____

design a cloud environment to scale out

There are two facets to scalability in the cloud. (1)

provide scaling for services landed on your cloud

There are two facets to scalability in the cloud. (2)

scaling vertically

This method of scaling adds new components to existing systems. Adding CPUs to a given server, changing an older less capable CPU for a new generation, or changing the network from 10GB to 100GB.

maximum technology

What are two limits in a vertical scaling design? (1)

maximum technology costs

What are two limits in a vertical scaling design? (2)

scalability

______ is the capability of a system, network, or process to handle a growing amount of work, or its potential to be enlarged to accommodate that growth.