No git repo and very unclear description of actual workings... "does not use caching... all data stored directly in RAM for extremely fast access speeds" (???)
While far-less practical for this use case, cache memory is 'faster' than RAM... and looking at the documentation page I'm very skeptical that this is thread-safe. Advice to OP: open-source your work and don't try to make your project sound more technical than it is.
Thank you very much for your review! I'll look into creating a Git repository for the project. Also, you're right the description is definitely unclear, so I'll rewrite it. As for caching, I personally think Java handles it extremely well. Thanks again for your review!