Along your line of thinking, we have a paper scheduled for Middleware (Dec. 2018) and it explores how to make W-TinyLFU adaptive. I can share this paper private

Along your line of thinking, we have a paper scheduled for Middleware (Dec. 2018) and it explores how to make W-TinyLFU adaptive. I can share this paper privately until the conference (ben.manes @ gmail). It shows how to use simple, low-overhead schemes to improve the policy across workloads that exhibit various recency/frequency biases.