Defining a plan
Defining a plan is a series of steps. Each step requires the evaluation of a question to discover the answer:
- What is our current capacity?
- When are we going to run out of capacity?
- How should we change our capacity?
- Execute plan!
Let us work through each step. Note that I am using long periods of time in a lot of the examples below. If you are using systems that can automatically add and remove capacity, you may be working with data on the scale of minutes instead of days.
What is our current capacity?
There are lots of ways to define the capacity of your infrastructure. You can use aggregated metrics such as CPU usage, disk storage availability, requests per minute, packets per second, or any application metric. Usually, the metrics ...
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