UpdateComputeEnvironment - AWS Batch


Updates an AWS Batch compute environment.

Request Syntax

POST /v1/updatecomputeenvironment HTTP/1.1 Content-type: application/json { "computeEnvironment": "string", "computeResources": { "allocationStrategy": "string", "bidPercentage": number, "desiredvCpus": number, "ec2Configuration": [ { "imageIdOverride": "string", "imageKubernetesVersion": "string", "imageType": "string" } ], "ec2KeyPair": "string", "imageId": "string", "instanceRole": "string", "instanceTypes": [ "string" ], "launchTemplate": { "launchTemplateId": "string", "launchTemplateName": "string", "version": "string" }, "maxvCpus": number, "minvCpus": number, "placementGroup": "string", "securityGroupIds": [ "string" ], "subnets": [ "string" ], "tags": { "string" : "string" }, "type": "string", "updateToLatestImageVersion": boolean }, "serviceRole": "string", "state": "string", "unmanagedvCpus": number, "updatePolicy": { "jobExecutionTimeoutMinutes": number, "terminateJobsOnUpdate": boolean } }

URI Request Parameters

The request does not use any URI parameters.

Request Body

The request accepts the following data in JSON format.


The name or full Amazon Resource Name (ARN) of the compute environment to update.

Type: String

Required: Yes


Details of the compute resources managed by the compute environment. Required for a managed compute environment. For more information, see Compute Environments in the AWS Batch User Guide.

Type: ComputeResourceUpdate object

Required: No


The full Amazon Resource Name (ARN) of the IAM role that allows AWS Batch to make calls to other AWS services on your behalf. For more information, see AWS Batch service IAM role in the AWS Batch User Guide.


If the compute environment has a service-linked role, it can't be changed to use a regular IAM role. Likewise, if the compute environment has a regular IAM role, it can't be changed to use a service-linked role. To update the parameters for the compute environment that require an infrastructure update to change, the AWSServiceRoleForBatch service-linked role must be used. For more information, see Updating compute environments in the AWS Batch User Guide.

If your specified role has a path other than /, then you must either specify the full role ARN (recommended) or prefix the role name with the path.


Depending on how you created your AWS Batch service role, its ARN might contain the service-role path prefix. When you only specify the name of the service role, AWS Batch assumes that your ARN doesn't use the service-role path prefix. Because of this, we recommend that you specify the full ARN of your service role when you create compute environments.

Type: String

Required: No


The state of the compute environment. Compute environments in the ENABLED state can accept jobs from a queue and scale in or out automatically based on the workload demand of its associated queues.

If the state is ENABLED, then the AWS Batch scheduler can attempt to place jobs from an associated job queue on the compute resources within the environment. If the compute environment is managed, then it can scale its instances out or in automatically, based on the job queue demand.

If the state is DISABLED, then the AWS Batch scheduler doesn't attempt to place jobs within the environment. Jobs in a STARTING or RUNNING state continue to progress normally. Managed compute environments in the DISABLED state don't scale out.


Compute environments in a DISABLED state may continue to incur billing charges. To prevent additional charges, turn off and then delete the compute environment. For more information, see State in the AWS Batch User Guide.

When an instance is idle, the instance scales down to the minvCpus value. However, the instance size doesn't change. For example, consider a c5.8xlarge instance with a minvCpus value of 4 and a desiredvCpus value of 36. This instance doesn't scale down to a c5.large instance.

Type: String


Required: No


The maximum number of vCPUs expected to be used for an unmanaged compute environment. Don't specify this parameter for a managed compute environment. This parameter is only used for fair share scheduling to reserve vCPU capacity for new share identifiers. If this parameter isn't provided for a fair share job queue, no vCPU capacity is reserved.

Type: Integer

Required: No


Specifies the updated infrastructure update policy for the compute environment. For more information about infrastructure updates, see Updating compute environments in the AWS Batch User Guide.

Type: UpdatePolicy object

Required: No

Response Syntax

HTTP/1.1 200 Content-type: application/json { "computeEnvironmentArn": "string", "computeEnvironmentName": "string" }

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.


The Amazon Resource Name (ARN) of the compute environment.

Type: String


The name of the compute environment. It can be up to 128 characters long. It can contain uppercase and lowercase letters, numbers, hyphens (-), and underscores (_).

Type: String



These errors are usually caused by a client action. One example cause is using an action or resource on behalf of a user that doesn't have permissions to use the action or resource. Another cause is specifying an identifier that's not valid.

HTTP Status Code: 400


These errors are usually caused by a server issue.

HTTP Status Code: 500


In the following example or examples, the Authorization header contents ( [authorization-params] ) must be replaced with an AWS Signature Version 4 signature. For more information about creating these signatures, see Signature Version 4 Signing Process in the AWS General Reference.

You only need to learn how to sign HTTP requests if you intend to manually create them. When you use the AWS Command Line Interface (AWS CLI) or one of the AWS SDKs to make requests to AWS, these tools automatically sign the requests for you with the access key that you specify when you configure the tools. When you use these tools, you don't need to learn how to sign requests yourself.


This example disables the P3OnDemand compute environment so it can be deleted.

Sample Request

POST /v1/updatecomputeenvironment HTTP/1.1 Host: batch.us-east-1.amazonaws.com Accept-Encoding: identity Content-Length: [content-length] Authorization: AUTHPARAMS X-Amz-Date: 20161128T194248Z User-Agent: aws-cli/1.11.21 Python/2.7.12 Darwin/16.1.0 botocore/1.4.78 { "computeEnvironment": "P3OnDemand", "state": "DISABLED" }

Sample Response

HTTP/1.1 200 OK Content-Type: application/json Content-Length: [content-length] Connection: keep-alive Date: Mon, 28 Nov 2016 19:42:49 GMT x-amzn-RequestId: [request-id] X-Amzn-Trace-Id: [trace-id] X-Cache: Miss from cloudfront Via: 1.1 7f3f42df8af148df1f9f1ee7175987ad.cloudfront.net (CloudFront) X-Amz-Cf-Id: uxJn0P7cg_1RTxOs15FkCItWfmCeniKMZdXlFWaOfPfjqATHw3j-AA== { "computeEnvironmentName": "P3OnDemand", "computeEnvironmentArn": "arn:aws:batch:us-east-1:123456789012:compute-environment/P3OnDemand" }

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: