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Nnineincertpulse.hashnode.dev

How We Cut CertPulse's Scan Time From 47 Minutes to 90 Seconds: A Concurrency Postmortem

May 4 · 10 min read · CertPulse cut TLS certificate scan time from 47 minutes to 90 seconds across an 1,800-certificate fleet spanning AWS, Azure, and GCP. The single biggest win was not concurrency. It was connection reuse plus DNS caching plus bounded worker pools, in t...

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