Step 2: Scope the RequirementĪfter clarifying the requirements, you should scope out the requirements. So, think about the product that you are designing from multiple angles and perspectives and clarify each requirement. If you clarify the requirements incorrectly / or don’t even clarify the requirements, but just assume it, then your whole interview could be messed up and go in the wrong direction. Remember, this is a crucial part of the interview. There can be a short delay of up to 5 minutes in updating URL statistics.Service should be accessible over REST API’s.URL redirection should happen with minimal latency.Some of the non-functional requirements could be: Functionality to see the number of times a shortened URL is accessed.Functionality to pick a custom short URL instead of randomly generated URL.Given a long URL, shorten it to at most 20 characters which will redirect to the long URL when trying to access it.For example, the functional requirements here could be as follows: Functional Requirements The best way to clarify a requirement is to try to break down the system’s requirements into functional and non-functional requirements. Therefore, it is your job to clarify the features needed in the final MVP of the TinyURL clone that you are designing. TinyURL is a website which was launched 18 years back! And might have many features that you don’t know about. For example, the interviewer might ask you to design a URL shortening service like TinyURL. In a system design interview, the problem statement given by the interviewer is usually subjective and vague.
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In this article, we will be discussing four actionable steps for solving any system design interview problem and crack the system design interview. and clear the whiteboard coding round, but for system design, there is no such practice website. Unlike the whiteboard coding round, where you know that you have solved a problem correctly, in a system design round, there is no correct answer.įor a coding round, you might practice 100’s of different kinds of problems on websites like LeetCode, HackerRank etc. The questions asked are ambiguous there is no right or wrong answer. System design interviews are the toughest of all the interviews out there. 4 Steps To Solve Any System Design Problem with Examples
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