How to scale the site in case of load?

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Sergey Sashkin2019-01-16 12:50:50

Iron

Sergey Sashkin, 2019-01-16 12:50:50

How to calculate scaling for a site in case of load - what server parameters are optimal (processors, memory)?
How to calculate horizontal scaling?

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2 answer(s)

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Ivan Shumov, 2019-01-16
@LexPex

Use autoscaling based on resource utilization parameters. For example, when utilizing the processor or memory by 75%, we add another instance to the balancer and distribute the load in this way.
Read how it works in the clouds

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Boris Syomov, 2019-01-16
@kotomyava

You need to look at the processor, and memory, and also io, and if the load exceeds certain limits, raise additional instances.
It is necessary to look not only at utilization, but also at the rate of its change, and at the duration of raising an instance in your environment, and based on this, determine the threshold at which it is time to scale.
Here is a general answer that can be given in toaster format. And so, you need to read a lot about it, and think about your specific application. Well, to fill bumps at the first implementation ...