How to fix the load resistance of the site in the contract?

Question

Highload

Share your experience on how to fix load resistance in the contract / TOR for the development of a web resource? In this case, I act as a customer and I would like to fix my expectations.
From the data, there is the number of uniques per day that the site should keep. From this, you can estimate the number of requests per second at the peak to the backend. How to properly describe all this? Requests are different, equipment too, the environment again ...

Answer 1

From this you can estimate the number of requests per second at the peak to the backend

No need to fix in-program parameters. Work with the application like a black box.
You need to load test at acceptance:
1. Select the main metrics (CPU, memory, network / disk subsystem consumption, etc.), determine their limitations (for example, your channel is only 10 Mbps), and then develop targets (for example, CPU load - no more than 5%).
2. Develop basic scenarios taking into account the specifics of the application. Let me give you an example: let's say you have a service with online text translation of matches.
3. Describe the equipment used for testing.
You can find many basic things on Wikipedia .

Answer 2

(This is still an open question, but the option with my own hosting is closer to me.)
To whom will you make claims if you host a site on your hosting?
It is written in an elementary way, "SP Roga and Hooves in the person of X, on the basis of such a power of attorney or license ....... acts in the future as a performer, undertakes to provide services to the IP .. In the person of Y, and ensure operability, functionality, and availability of the site to Internet users.In
the event of such and such malfunctions of the site, X undertakes to eliminate them within such a time, if these malfunctions arose through the fault of X, or his negligent attitude to the performance of his duties, which led to a fig functioning of the site, or its inaccessibility to users.
X undertakes to compensate material costs to the customer, and so on. You can find
suitable options, the responsibility of the parties, and the obligations of the parties, in any contract, in clauses - the responsibility of the parties, and the obligations of the parties. Or in the Civil Code of the Russian Federation, Google to help.
The question is, which company will agree to such an agreement ?