How Uber Serves over 150 Million Reads per Second from Integrated Cache with Stronger Consistency Guarantees

This is the second blog about the integrated cache infrastructure for Docstore, our online storage at Uber. In the previous blog, we presented CacheFront and outlined its core functionality, design principles, and architecture. In this blog, we share some exciting improvements we’ve implemented since then as we scaled up its footprint by almost 4 times.