Scaling from 10 to 16,000+ tasks in a single ECS Cluster

Maish Saidel-Keesing profile picture
Maish Saidel-Keesing
Senior Developer Advocate at AWS

Maish Saidel-Keesing (Developer Advocate), Ugur Kira (Specialist Technical Account Manager) and Abhishek Nautiyal (Senior Product Manager) do a technical session about how you can scale your applications on Amazon ECS and AWS Fargate.


  • Graphs and charts showing the journey from zero tasks to 16k tasks
  • How to setup a VPC that actually has enough IP addresses to host that many tasks
  • The initial scale out, 500 tasks per minute launch rate, launching 80 tasks at a time.
  • Hitting the vCPU quota limit for AWS Fargate, and how to raise the limit
  • Hitting application load balancer quotas (number of targets per ALB target group)
  • Hitting Cloud Map quota (number of instances per Cloud Map service)