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Compute resource AMI specification

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Compute resource AMI specification - AWS Batch

The basic AWS Batch compute resource AMI specification consists of the following:

Required

  • A modern Linux distribution that's running at least version 3.10 of the Linux kernel on an HVM virtualization type AMI. Windows containers aren't supported.

    Important

    Multi-node parallel jobs can only run on compute resources that were launched on an Amazon Linux instance with the ecs-init package installed. We recommend that you use the default Amazon ECS optimized AMI when you create your compute environment. You can do this by not specifying a custom AMI. For more information, see Multi-node parallel jobs.

  • The Amazon ECS container agent. We recommend that you use the latest version. For more information, see Installing the Amazon ECS Container Agent in the Amazon Elastic Container Service Developer Guide.

  • The awslogs log driver must be specified as an available log driver with the ECS_AVAILABLE_LOGGING_DRIVERS environment variable when the Amazon ECS container agent is started. For more information, see Amazon ECS Container Agent Configuration in the Amazon Elastic Container Service Developer Guide.

  • A Docker daemon that's running at least version 1.9, and any Docker runtime dependencies. For more information, see Check runtime dependencies in the Docker documentation.

    Note

    We recommend the Docker version that ships with and is tested with the corresponding Amazon ECS agent version that you're using. Amazon ECS provides a changelog for the Linux variant of the Amazon ECS-optimized AMI on GitHub. For more information, see Changelog.

Recommended

  • An initialization and nanny process to run and monitor the Amazon ECS agent. The Amazon ECS optimized AMI uses the ecs-init upstart process, and other operating systems might use systemd. For more information and examples, see Example container instance User Data Configuration Scripts in the Amazon Elastic Container Service Developer Guide. For more information about ecs-init, see the ecs-init project on GitHub. At a minimum, managed compute environments require the Amazon ECS agent to start at boot. If the Amazon ECS agent isn't running on your compute resource, then it can't accept jobs from AWS Batch.

The Amazon ECS optimized AMI is preconfigured with these requirements and recommendations. We recommend that you use the Amazon ECS optimized AMI or an Amazon Linux AMI with the ecs-init package that's installed for your compute resources. Choose another AMI if your application requires a specific operating system or a Docker version that's not yet available in those AMIs. For more information, see Amazon ECS-Optimized AMI in the Amazon Elastic Container Service Developer Guide.

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