— Project N°08 / DevOps

Titan Cloud Migration

Zero-downtime lift from on-prem to multi-region K8s.

N°08 · DEVOPS
Client
Fortune 500 Retail
Year
2023
Duration
32 weeks
Team
9 engineers
— STAR breakdown
S

Situation

A Fortune 500 retailer ran 240 services on aging on-prem VMware with a 6-hour deploy cycle and quarterly outages.

T

Task

Lift the estate to multi-region GCP Kubernetes with zero customer-visible downtime.

A

Action

  • 01Codified infrastructure in Terraform with a service-catalog-driven pipeline.
  • 02Introduced traffic mirroring and per-service canary shifts via Istio.
  • 03Trained 40 internal engineers on the new platform in parallel.
R

Result

  • Zero customer-visible downtime across the full migration.
  • Deploy cycle from 6 hours to 9 minutes.
  • 43% reduction in total infrastructure spend year-over-year.
— Stack
K8sTerraformGCP
— Long form
Read the full story of Titan Cloud Migration

A four-chapter narrative of the engagement, in the words of the team who shipped it.

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