Chapter 1 Questions

What does it mean for most applications to be data-intensive instead of compute-intensive?

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What is the definition of a reliable system? What are some of the ways that systems can become "unreliable"?

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What makes a system scalable? What are the characteristics of a scalable system?

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What is the difference between a horizontally scaling and vertically scaling system? What are some of the pros and cons for each?

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What makes a system maintainable? What makes a system "unmaintainable"?

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Explain a project where you had to make it more reliable/scalable/maintainable. How did you do it, and what were some of the roadblocks in achieving the systems goals?

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Read three of the post-mortems in this repo. What are some of the ways in which outages are caused? What could the teams have done to mitigate the blast radius or lowered the chance of such an outage happening? Explain the outage in your own words and give an explanation for what you learned from each summary.

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Reflect on your personal experience. What are some of the ways that your team keeps services healthy and responsive? How do you test services? How do you react quickly to an unhealthy service?

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