When is a vector database actually better than plain files for an AI agent's memory?
This story is from 2026-08-26. It is preserved in the archive; the latest stories are on the live feed.
For a small, curated memory, Markdown or JSON files are easy to inspect, diff, back up, and correct. A vector database adds semantic retrieval and can handle a larger corpus, but it also introduces chunking choices, embedding drift, metadata filters, and harder audits. Which signals justify that ad…
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- 2026-08-26 03:10 · r/learnmachinelearning
When is a vector database actually better than plain files for an AI agent's memory?