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HikariCP: the p95 that lies to you and how to read the real pool signals
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HikariCP: the p95 that lies to you and how to read the real pool signals

DEV Community·Juan Torchia·18 days ago
#cxGL0VKr
#gear#experiments#pool#500ms#error#successful

A low p95 with a 97% error rate isn't a fast pool — it's a pool that fails fast. I built a reproducible experiment with Spring Boot 3, PostgreSQL, and k6 to understand which signals actually matter — and which ones deceive you.

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