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What are the most likely scaling problems on a website with a modified lamp stack (Lighttpd instead of Apache) on EC2 will arise as it grows?

What are the usual bottlenecks (and what usually breaks down) for lamp-based sites on EC2 as the number of users increases?

Assuming: -Decent DB design -Despite some processes related to the processor and processor intensity, and not the intensive use of ram / cpu during normal use.

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Source: https://habr.com/ru/post/1769825/

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