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Said Yaka

Topic

System Design

2 essays

  1. Context Windows Are Not Memory

    A long context window feels like memory, but it is just a working set. Real memory needs selection, persistence, and a plan for what to forget.

  2. When Not to Use RAG

    RAG is powerful, but it is not a default answer to every AI product problem. Here are the cases where I would avoid it or simplify it.