David Liu

Building infrastructure for AI-native teams: knowledge retrieval, agent services, and dependable operations. Langhuan is one project. I’m interested in how AI changes how teams work.

Joined on Aug 20, 2026

David Liu

Aug 25

I've Built RAG Infrastructure Several Times. Last Week Was the First Time I Actually Benchmarked It.

#ai #go #sqlite #opensource

5 min read

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David Liu

Aug 20

Local RAG starts with retrieval, not infrastructure

#rag #sqlite #mcp #opensource

4 min read

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David Liu

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1 Week Community Wellness Streak

Writing Debut

I've Built RAG Infrastructure Several Times. Last Week Was the First Time I Actually Benchmarked It.

Want to connect with David Liu?

Local RAG starts with retrieval, not infrastructure