Step 3: Draw the major components - Deepstash

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Step 3: Draw the major components

Step 3: Draw the major components

Draw a high-level diagram of what your system looks like:

  • Include major components such as servers, databases and important processes
  • Describe the flow of your system from end-to-end

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There is no "perfect" system

There is no "perfect" system

There is no single design for any system that works perfectly. There are always trade-offs. Two different people can come up with different designs, with both being excellent given different assumptions.

Your goal is to:

  1. Understand the use case
  2. Scope the ...

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Step 2: Make reasonable assumptions

Step 2: Make reasonable assumptions

Depending on the type of system you are designing, you need to estimate its scale: how many users will access it every day, how much data you will store and process, etc.

You should be careful when making assumptions. Incorrect assumptions can dramatically change th...

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Step 1: Scope the problem

Step 1: Scope the problem

You can't design a system if you don't know what you're designing.

First, ask questions to clarify what you need to implement. Then make a list of all major features and use cases that your design must cover.

For example, if you're designing TinyURL, that list mig...

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Step 4: Identify the key issues

Step 4: Identify the key issues

Once you have a basic design in mind, focus on the key issues. Identify the bottlenecks and major challenges of the system, and then adjust your design to handle them.

In the TinyURL example, a challenge you might consider is that some URLs are frequently accessed, whil...

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ocpodariu

Alt account of @ocp. I use it to stash ideas about software engineering

📖 Cracking the Coding Interview

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