Agent Memory Is Not a Vector Database. It's a Forgetting System.
This story is from 2026-09-19. It is preserved in the archive; the latest stories are on the live feed.
Ask someone to sketch memory for an LLM app and you'll usually get one arrow. user message -> embed -> vector DB -> search later That's the demo version. It works for a weekend project. It also hides most of the problem. This post is about the part the arrow leaves out: deciding what gets stored in…
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- 2026-09-19 11:42 · DEV Community — Machine Learning
Agent Memory Is Not a Vector Database. It's a Forgetting System.