Sleeping soundly even when scaling your app to 200k request/seconds
summary
Concrete fixes and numbers: scaling reaches 200K requests/second on AWS and the team adds autoscaling-activity monitoring so failed launches surface minutes before traffic drops; deploys partial-baked AMIs and Docker images for reproducible boots; uses CodeDeploy bluegreen deployments and slow in-place rollouts to keep services healthy; tunes TCP keepalive and TLS session resumption to cut data-transfer bills, replaces Amazon Certificate Manager certs with DigiCert/ECC to save ~54% and ~7% on wire size respectively; tracks daily spend alerts and uses Sensu + Grafana for automated lifecycle handling.
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