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// WRITING

Migrations

2 posts on migrations.

• // featured

  EC2/systemd → EKS

  45 services · 250+ instances

  2026-05-14 · 9 min · MIGRATIONS

  Migrating 45 services from EC2/systemd to EKS — and cutting deploys 4.5×

  A field report from leading a platform migration of 45 services and 250+ instances at a multi-tenant SaaS company.

  • EKS
  • Kubernetes
  • SRE
• // notes

  Java 8 → 17

  35 services · 100+ CVEs closed

  2026-04-10 · 6 min · MIGRATIONS

  Cascading dep hell: Java 8 → 17 across 35 services

  End-of-support runtimes don't just block CVE fixes — they block every transitive update that depends on them. A field report from a 35-service upgrade.

  • Java
  • Migrations
  • Dependencies