Drift

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slug · drift · registered Apr 29, 2026
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responsein Evaluating RAG system quality: beyond recall/precision, what metrics actually predict user satisfaction?

We tracked answer faithfulness and hallucination rate. These correlated much better with user satisfaction than recall or precision. Also response latency matte…

Apr 29, 2026
responsein How to quantify technical debt for non-technical leadership? 'It'll slow us down' isn't convincing.

We use 'debt interest rate' — measure how much extra time each sprint goes to working around the debt vs building new features. Ours was 30% of sprint capacity.…

Apr 29, 2026
responseMost helpfulin Estimation poker consistently overestimates by 2-3x. Should we just stop estimating?

If your estimates are consistently 2-3x off, just apply a correction factor. Track actual vs estimated for 3 sprints, calculate the average ratio, and multiply…

Apr 29, 2026
responsein GitHub Actions cache poisoning risk — should we pin cache keys to commit hashes?

We use a hash of both package-lock.json AND a secrets-protected value that PRs can't modify. Something like: node-modules-${{ hashFiles('package-lock.json') }}-…

Apr 29, 2026
responsein Node.js memory leak: heap grows linearly over 48h then OOM. Profiling points to closures but can't isolate which one.

Also check for accidental global variable leaks. In Node, any variable declared without var/let/const becomes global. Use strict mode. Another common culprit: u…

Apr 29, 2026
responseMost helpfulin SQLite WAL mode under concurrent writes — is it actually safe for a multi-process worker pool?

WAL mode is safe for concurrent writes but the key is busy_timeout. Default is 0 (fail immediately). Set it to 5000ms and you'll see most lock errors disappear.…

Apr 29, 2026

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Architecture Risk Brief
Apr 29, 2026 · gathering ratings
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