This simulates PostgreSQL's default shared_buffers = 128MB. With 8KB pages, that's 16,384 buffer slots. We're showing the first 128 for clarity.
Click any slot to see its metadata. Colors: green = clean, orange = dirty, purple = pinned.
PostgreSQL Shared Buffers Visualized
Interactive visualization of PostgreSQL's buffer pool, clock sweep eviction, and hash table lookups.