Board Thread:Support Requests - Getting Technical/@comment-452-20140917000024/@comment-452-20160827032945

452 wrote:

So we will know definitively, I've asked for the exact limit in a support ticket. Wikia Staff have responded - after a reasonable delay researching the question - and are unsure if there is a limit, hypothesising that it is infinitely scaleable.

I specifically asked "What is the defined server limit for Special:LinkSearch results?", so this response tells me that Wikia has defined no server limit.