Building a Page Cache That Doesn’t Count: Epoch-Based Memory Management

💡Typhon is an embedded, persistent, ACID database engine written in .NET that speaks the native language of game servers and real-time simulations: entities, components, and systems. It delivers full transactional safety with MVCC snapshot isolation at sub-microsecond latency, powered by cache-line-aware storage, zero-copy access, and configurable durability. Series: A Database That Thinks Like a Game Engine Why I’m Building a Database Engine in C# What Game Engines Know About Data That Databases Forgot Microsecond Latency in a Managed Language Deadlock-Free by Construction Three Durability Modes, One WAL Building a Page Cache That Doesn’t Count (this post) MVCC at Microsecond Scale (coming soon) GitHub repo • :mailbox_with_mail: Subscribe via RSS A transaction that reads a thousand pages should pay for reading a thousand pages. Mine used to pay for two thousand atomic operations on top — one to pin each page so the cache wouldn’t yank it out from under a live pointer, one to unpin it…