Scaling Identity: Lessons from 100,000+ User Deployments
Scaling Identity: Lessons from 100,000+ User Deployments TL;DR What works at 1,000 users breaks at 100,000. Your IAM system performs beautifully with 5,000 employees. Logins are snappy. Directory sync takes minutes. Session management? Not even on your radar. Then you hit 50,000 users—maybe through organic growth, maybe through M&A—and things start… slowing down. By 100,000? That same login that took 200ms now takes 3,500ms. Your directory sync lags 6 hours behind HR....