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AWS Fault Injection Service vs Pumba

Both stand on chaos engineering platforms. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

AWS Fault Injection Service

Paid APILinuxMac+2

FIS provides managed fault-injection experiments with target selection, monitoring, and stop or rollback controls. Experiments still act on real resources, so AWS recommends pre-production runs before production use.

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Pumba

Free plan LinuxMac

Choose Pumba if you need a free, self-hosted way to disrupt containers or inject scheduled network faults in a Linux or Kubernetes environment. Its privileged runtime access calls for careful control of the environment and socket access. Look elsewhere if you need Windows support or cloud fault injection.

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The facts

AWS Fault Injection ServicePumba
Free planNoYes
Open sourceNot publishedNot published
Runs onAPI, Linux, Mac, Web, WindowsLinux, Mac
Lowest paid planSee the plansFree or on request
Plans published11
MakerNot publishedNot published
Websiteaws.amazon.comgithub.com
On chaos engineering platforms#19 of 25#15 of 25

AWS Fault Injection Service: what it does well

  • Managed service; many actions need no agent.
  • Scenario Library provides AWS-created experiment templates.
  • Tags and alarms can control experiment targets and stopping.
  • Console and APIs show progress and action details.
  • Integrates with IAM and generates CloudTrail logs.

What to know first

  • No free plan.
  • CPU and memory faults require the SSM agent.
  • Experiments affect real AWS resources.
  • Reports cost $5 per report.

Pumba: what it does well

  • Targets containers by name, regular expression, label, or random selection.
  • Schedules recurring chaos at fixed intervals.
  • Injects network delay, loss, duplication, corruption, and rate limits.
  • Stress-tests CPU, memory, and I/O with stress-ng.
  • Supports Docker, containerd, Podman, and Kubernetes.

What to know first

  • Windows is not supported or planned.
  • macOS binaries drive a remote Linux container VM.
  • Runtime interaction requires privileged access.
  • Cloud fault injection is not supported.

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