41 - Performance Engineering Lab (Latency, Throughput, Efficiency)¶
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World-class engineering includes predictable performance under load.
Performance objectives¶
- Define budgets (latency, memory, CPU, query time).
- Measure before optimizing.
- Optimize with evidence and rollback safety.
Lab sequence¶
- Establish baseline benchmarks.
- Identify top bottlenecks (code + SQL + IO).
- Apply targeted optimization passes.
- Re-benchmark and compare deltas.
- Guard with performance regression tests.
Required outputs¶
- Benchmark report before/after.
- Query profile analysis and tuned variants.
- Performance runbook with thresholds and actions.