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Hello! I'm new to PrestaShop and I'm evaluating if it is a good product for my needs. After reading all the documentation I've found, there are two topics that rise some doubts about PrestaShop: scalability and high availability. I have some concerns regarding those topics, and I would be very pleased if someone could answer any of my questions, or point me to the right direction to look at: Are there any "big" shops using PrestaShop? By big I mean shops with more than 40.000 visitors per day and/or 5.000 orders per day. (I've read http://www.menlook.com/, any others?). In case these shops exist, I imagine that they have more complex installations than the "single server" approach. Is there any official documentation about installing PrestaShop for high availability environments, that is, with a different topology than a single server (clustering, load balancing, etc)? I come from the Java world, and the web applications usually have official documentation related to clustered installations. Summary: is there official documentation about installations with more than a single server? If not, does the PrestaShop team plan to add that kind of documentation to the existing one? My other concern is about scalability. I have not seen in the documentation nothing about how to scale PrestaShop, or about how adding more servers improves the total amount of concurrent users/orders PS can handle. Imaging a scenario where users and orders keep growing during time, there is some point at which one or two servers obviously can't support the traffic. A benchmark would be useful to see wich kind of resources are necessary for very large shops and to know which is the traffic that can be handled with a server. Summary: is there official documentation about PrestaShop performance benchmarks? If not, does the PrestaShop team plan to add that kind of documentation to the existing one? In general, my concern is about how far can PrestaShop go, and I have'nt found documents about these topics. Thank you so much for your attention. Hope to use PrestaShop in a short time! References: Should I use PrestaShop for large store [sOLVED] Will PrestaShop Work for a large traffic site?