2022-01-31 15:07:48 +00:00
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---
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layout: docs
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page_title: Resource Usage - AWS ECS
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description: >-
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Resource usage of the Consul Service Mesh on AWS ECS (Elastic Container Service).
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---
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# Resource Usage
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We ran performance tests of Consul on ECS to determine the resource usage of
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the sidecar containers Consul on ECS injects along with the ACL controller.
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[The architecture page](/docs/ecs/architecture) describes each Consul on ECS
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component in depth.
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We used the following procedure to measure resource usage:
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2022-05-10 14:28:33 +00:00
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- Executed performance tests while deploying clusters of various sizes. We
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2022-01-31 15:07:48 +00:00
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ensured that deployment conditions stressed Consul on ESC components.
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- After each performance test session, we recorded resource usage for each
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component to determine worst-case scenario resource usage in a production
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environment.
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- We used Fargate's minimum allowed CPU (256 shares) and memory settings (512
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MB) on ECS during performance testing to demonstrate that Consul on ECS along
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with application containers can run on the smallest ECS tasks.
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Here is the maximum resource usage we observed for each container:
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| Container | CPU | Memory |
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| -------------- | --- | ------ |
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| ACL Controller | 5% | 43 MB |
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| Health Sync | 6% | 35 MB |
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| Consul Client | 10% | 87 MB |
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| Envoy | 18% | 55 MB |
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The containers added by Consul on ECS consume resources well below the minimum CPU and
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memory limits for an ECS Task. Use the `memory` and `cpu` settings for the task definition
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if additional resources are necessary for your application task.
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