AWS Amazon ECS Service Limits

8 quotas for Amazon ECS. 5 can be increased.

Quota	Default	Status
Clusters per region Maximum number of ECS clusters per region. configuration	10,000 count	Adjustable
Services per cluster Maximum number of services per ECS cluster. configuration	5,000 count	Adjustable
Tasks per serviceCommon Maximum number of tasks per ECS service. compute	5,000 count	Adjustable
Container instances per cluster Maximum number of container instances per cluster. compute	5,000 count	Adjustable
Task definition size Maximum size of a task definition JSON. configuration	64 KB	Fixed
Containers per task definition Maximum number of containers per task definition. configuration	10 count	Fixed
Fargate On-Demand vCPU countCommon Maximum number of Fargate on-demand vCPUs per region. compute	6,000 vCPUs	Adjustable
Task definition revisions Maximum number of revisions per task definition family. configuration	1,000,000 count	Fixed

How to Request a Quota Increase

1Open the AWS Service Quotas console.
2Select Amazon ECS from the service list.
3Find the quota and click "Request increase".
4Enter the desired value and submit. Most increases are approved within a few hours.

Everything you need to know about Amazon ECS on one page. HD quality, print-friendly.

Everything you need to know about Amazon ECS on one page. HD quality, print-friendly.

Total Quotas8

Adjustable5

Fixed3

Commonly Hit2