WooCommerce Bookstore comes with its own caching system for better performance. As you might already know there are plenty of parameters that might affect WordPress performance. If you are having problems, before starting reading hundreds of articles, refer here for some useful tips.
Our plugin has been tested in a WordPress installation with approximately 10000 books. Results have shown that website’s performance wasn’t significantly affected and advanced search was still able to fetch results within milliseconds.
Right now we are collecting data from our customers in order to learn about plugin’s performance with real data. Our goal is to always improve user’s experience and we are always open for your feedback!