How We Cut CertPulse's Scan Time From 47 Minutes to 90 Seconds: A Concurrency Postmortem
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...
May 4, 202610 min read