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insights.No fluff.

I'm Tawanda — an engineer writing about systems, optimisation, technology, and the craft of building things that do not break at 3am.

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latency.ts

async function analyzeLatency(req: Request) {
  // measure what actually matters
  const start = performance.now();
  const result = await db.query(req.params);
  const elapsed = performance.now() - start;
  if (elapsed > 1000) {
    log.warn(`slow query: ${elapsed}ms`);
  }
  return result;
}

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Engineeringinsights.No fluff.

Engineering
insights.No fluff.