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The DevOps 2.0 Toolkit by Viktor Farcic

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Preventive Healing through Scheduled Scaling and Descaling

Preventive healing is a huge topic in itself and, in all but the simplest scenarios, requires historical data that can be used to analyze the system and predict the future. Since, at this moment, we neither have the data, nor the tools to generate them, we'll start with a very simple example that does not require any of those.

The scenario we'll explore is as follows. We are working on an online book store. Marketing department decided that, starting from the new years eve, all readers will be able to purchase books with a discount. The campaign will last for a day, and we expect it to generate a huge interest. In technical terms, that means that during 24 hours, starting from midnight, ...

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