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A junior engineer with access to production and insufficient guardrails runs a database migration directly on prod. Or force-pushes to main. Or deletes an S3 bucket thinking it was the staging one. The fix isn''t surveillance — it''s systems that make the catastrophic mistake require extra steps.
Your RDS instance is db.r6g.4xlarge and CPU never exceeds 15%. Your ECS service runs 20 tasks but handles traffic that 4 could manage. You''re paying for comfort headroom you never use. Right-sizing recovers real money — without touching application code.
Deep dive into OWASP API Security Top 10 vulnerabilities with production-ready fixes: BOLA, broken auth, data exposure, rate limiting, function level auth, and more.
Page 1 loads in 10ms. Page 100 loads in 500ms. Page 1000 loads in 5 seconds. OFFSET pagination makes the database skip rows by reading them all first. Cursor-based pagination fixes this — same performance on page 1 and page 10,000.
In distributed systems, failure is never all-or-nothing. A service returns a response — but it''s corrupt. An API call times out — but the action already executed. A message is delivered — but the reply never arrives. This is partial failure, and it is the hardest problem in distributed systems.