You will typically use an out-of-the-box Linux system, for details see SystemRequirements and ServerTypes.

There is no principle technical limit to the number of wikis that you can host. For example 100-1000 wikis, 10.000-100.000 pages and 1-10 million page requests monthly are perfectly fine on cheap standard server hardware - still without having investing in possible optimizations.

There are practical limits related to:

• storage limitations from
• Pages (minor, about 6KB for the average page)
• PageRevisions (minor, about 4KB for the average page)
• LogFiles (major, about 200 Byte per request, but you can compress, delete or archive them anytime)
• uploaded files and other data (hard to predict, depends on the WikiApplication)
• CPU limitations with respect to the number of average requests that the ProWikiServer can answer in a given timespan, depending on
• the CPU power (typical 2000+ to 3000+) and the percentage available for the wiki requests
• the RAM memory (typical 256MB to 1 GB) for programs and caching
• other tasks or services that burden the server
• other customers (if you run on a VirtualServer)