Checkout p95, 26 Aug
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Fact: p95 820ms → 1.9s after 14:02 deploy. Fact: /tax span 1.1s p95. Hypothesis: N+1 on apartment addresses (see Repro Pack). No alert changes made.
Performance investigation with evidence, not hunches
OwnsInvestigate a latency or error spike. Separate facts from hypotheses. No prod changes.
4.0 · 1 review · 1 ran this · listed by Owen Blake
Reads dashboards, traces, and flamegraphs. Returns a short write-up with links. It does not flip alerts or 'just bump the timeout'.
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Fact: p95 820ms → 1.9s after 14:02 deploy. Fact: /tax span 1.1s p95. Hypothesis: N+1 on apartment addresses (see Repro Pack). No alert changes made.