CF on a Budget: Controlling Cost with Your PaaS

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" summary

Cloud Foundry cost drops as utilization rises: relative cost per app falls from about $180 at two Diego cells to ~$45 at four and approaches ~$11 at high scale, with a practical 15 cells break-even and ~90% efficiency near 100 cells. Practical levers are resource-based VM sizing (use Prometheus or similar to right‑size), co‑locating CF jobs to compress VMs for nonprod, and using spot/preemptible instances — e.g. GCP preemptible 80% savings — with BOSH CPI doing resurrect/bid management; colocation trades cost for coarser scaling.

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" chapters (13)

1. 0:00Introduction
2. 0:42Relative vs actual cost
3. 2:10Overhead in Cloud Foundry
4. 3:55Monitoring and over-provisioning
5. 5:18Resource base sizing
6. 7:21Monitoring on other platforms
7. 9:07Co-locating components
8. 11:53High availability with colocation
9. 13:36Drawbacks of colocation
10. 14:18Spot and preemptable instances
11. 16:48Gotchas of spot instances
12. 17:09Conclusion and monitoring key
13. 18:59Q&A start