Hi.. today I got a call from a company in my city for a nodeJS back-end position.
They gave an assignment as below:

Suppose u r building a movie booking application, how will u handle it when 10,000 people try to book a same seat?
What r the performance scenarios u will consider ?
(No code is required, we r expecting a design document)

I'm not able to figure out what to answer for this. I only know how to create APIs. Can anybody help me out? Also what is the topic of this type of questions?

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Posting as :
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Seems like loadbalancing question. Distributed systems can help here. Not sure I have just started my software engineering journey.

helpful

Oh, thank u bro.
Same here. I'm from a non cs background.
I am able to know what to learn only when I face these kinds of challenges.

The topic of the question seems to be concurrency.
When you're building for millions of users you need to ensure that the system does not go down because of too many requests.
User experience should remain the same regardless of the number of requests per second.
Consider the cost of the various approaches you could use.

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Sure .. Thank you 😇

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