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Advanced Topic 36 of 50 DevOps & Tooling

Capacity Planning

Forecasting resources needed for demand.

How it works

Forecast demand with load tests and growth trends, add headroom for spikes and failures (N+1), and understand bottlenecks such as CPU, memory, I/O and network.

Where it is used

Avoiding outages and overspend.

Common pitfall

Planning on averages rather than peaks.

Where it fits in the course

Capacity Planning is topic 36 of 50 in DevOps & Tooling, rated Advanced. It follows SLIs, SLOs and SLAs. The next topic is Cost Optimization.

Practice and explore

How to study this topic

  1. Read the explanation above and restate the definition in your own words.
  2. Open the interactive lesson and answer its mini quiz.
  3. Read the common pitfall, then write a short example that avoids it.
  4. Check your understanding in the DevOps & Tooling quiz, and revisit the topic if you miss a question.

Frequently asked questions

What is Capacity Planning?
Forecasting resources needed for demand. It belongs to DevOps & Tooling and is an advanced-level topic.
Where do people use Capacity Planning?
Avoiding outages and overspend.
What is the most common mistake with Capacity Planning?
Planning on averages rather than peaks.
What should I learn before this topic?
Start with SLIs, SLOs and SLAs, the topic just before it in DevOps & Tooling.
How can I practice it?
Answer the mini quiz in the interactive lesson, then take the DevOps & Tooling quiz.
Is Capacity Planning hard to learn?
It is an Advanced topic. Expect to read the explanation more than once and to connect it with earlier topics. Working through a small example by hand helps most.
How long does it take to learn Capacity Planning?
Most learners can read the explanation and finish the interactive lesson in under an hour. Fluency comes from applying the idea, so plan a few short practice sessions with the quiz.
Which topics are related to Capacity Planning?
SLIs, SLOs and SLAs, Cost Optimization, Postmortems are closely connected. The full list is in the related topics section of this page.
What should I study after Capacity Planning?
Continue with Cost Optimization, the next topic in DevOps & Tooling.

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