Workload
In order to determine how to effectively address scaling issues, it is important to understand the workload that the system will be under. There are four main types of workload: static, periodic, once-in-a-lifetime and unpredictable.
A static workload represents a constant level of activity on a system. Because the workload does not fluctuate, this type of system does not require a very elastic infrastructure.
Systems that have a predictable change in workload have a periodic workload. An example would be a system that experiences a surge of activity around the weekends or around the months when income tax is due. These systems can be scaled up to maintain a desired level of quality when the load increases and scaled down to save ...
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