~/talk

FinOps for Engineers: Why Your Architecture Has a Price Tag

Talkat NDC Copenhagen 2025 · 2025-09-08..09-12· [cloud-infrastructure]
name:Yihui Xu
links:none on file
slides:none on file

Cloud architecture decisions map directly to invoices: using premium block blob for 10 TB/month across four regions jumped to roughly 80,000/month, a restore of 50 GB cost 1.2 million NOK because 150k files triggered per-object archive charges, and naive autoscaling on CPU causes unexpected VM spins. Engineering changes that work include Azure Storage Inventory report plus lifecycle policies to move cold data, compress before archive to avoid per-object costs, and use queue length for autoscaling instead of CPU; these cut storage by ~30% and other costs by ~20%.

AI-written summary · about

  1. 0:00FinOps for engineers
  2. 2:39Hidden costs in cloud
  3. 6:32Billing mirrors design
  4. 9:06FinOps engineering dimension
  5. 11:14Autoscaling bill inflation
  6. 18:04Storage lifecycle traps
  7. 25:40Logs budget killer
  8. 28:34Microservices network costs
  9. 32:18FinOps in workflows
  10. 36:43FinOps non-functional requirement
  11. 42:31Key takeaways
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