Field notes for deploy-safety teams.

Practical writing on deploy risk, runbooks, incident response, dependency changes, and the habits that keep small engineering teams out of avoidable fire drills.

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Lean engineering teams

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Deploys, incidents, runbooks

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All benchmarks ml performance retrieval

Featuredperformance benchmarks ml retrieval

Brute-Force Retrieval Holds Through 5,000 Memories. Then It Doesn't.

I measured where the linear cosine scan in a local AI memory store stops being free. Through 5,000 entries it's negligible. By 10,000 the tail widens visibly. The threshold is sharper than I expected.

Rob·Jun 3, 2026·10 min read