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by tqkxzugoaupvwqr
2615 days ago
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Hm, I may lack the proper knowledge. Why do I need redundant infrastructure? Why can’t I have instances in the cheapest region (300 ms delay is not going to kill anyone in a chat app), and if an instance fails, bring up a new instance, and if the region fails, bring up instances in another region. I don’t see why there should be redundant, idle instances running. Maybe duplicate the database / make it highly available. I also don’t understand how duplicated infrastructure makes it super speedy for end users when they are from around the world. Yes, they could connect to regional instances, but then the regional instances must synchronize with the other regional instances on the other side of the planet, which gains nothing. |
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It gains tens or hundreds of milliseconds, especially for channels/chats between people in the same region. You may not feel a "chat app" requires this level of performance, but the improvements there.