PutProvisionedConcurrencyConfig
Adds a provisioned concurrency configuration to a function's alias or version.
Request Syntax
PUT /2019-09-30/functions/FunctionName/provisioned-concurrency?Qualifier=Qualifier HTTP/1.1
Content-type: application/json
{
"ProvisionedConcurrentExecutions": number
}URI Request Parameters
The request uses the following URI parameters.
- FunctionName
-
The name or ARN of the Lambda function.
Name formats
-
Function name –
my-function. -
Function ARN –
arn:aws:lambda:us-west-2:123456789012:function:my-function. -
Partial ARN –
123456789012:function:my-function.
The length constraint applies only to the full ARN. If you specify only the function name, it is limited to 64 characters in length.
Length Constraints: Minimum length of 1. Maximum length of 140.
Pattern:
(arn:(aws[a-zA-Z-]*)?:lambda:)?([a-z]{2}(-gov)?-[a-z]+-\d{1}:)?(\d{12}:)?(function:)?([a-zA-Z0-9-_]+)(:(\$LATEST|[a-zA-Z0-9-_]+))?Required: Yes
-
- Qualifier
-
The version number or alias name.
Length Constraints: Minimum length of 1. Maximum length of 128.
Pattern:
(|[a-zA-Z0-9$_-]+)Required: Yes
Request Body
The request accepts the following data in JSON format.
- ProvisionedConcurrentExecutions
-
The amount of provisioned concurrency to allocate for the version or alias.
Type: Integer
Valid Range: Minimum value of 1.
Required: Yes
Response Syntax
HTTP/1.1 202
Content-type: application/json
{
"AllocatedProvisionedConcurrentExecutions": number,
"AvailableProvisionedConcurrentExecutions": number,
"LastModified": "string",
"RequestedProvisionedConcurrentExecutions": number,
"Status": "string",
"StatusReason": "string"
}Response Elements
If the action is successful, the service sends back an HTTP 202 response.
The following data is returned in JSON format by the service.
- AllocatedProvisionedConcurrentExecutions
-
The amount of provisioned concurrency allocated. When a weighted alias is used during linear and canary deployments, this value fluctuates depending on the amount of concurrency that is provisioned for the function versions.
Type: Integer
Valid Range: Minimum value of 0.
- AvailableProvisionedConcurrentExecutions
-
The amount of provisioned concurrency available.
Type: Integer
Valid Range: Minimum value of 0.
- LastModified
-
The date and time that a user last updated the configuration, in ISO 8601 format
. Type: String
- RequestedProvisionedConcurrentExecutions
-
The amount of provisioned concurrency requested.
Type: Integer
Valid Range: Minimum value of 1.
- Status
-
The status of the allocation process.
Type: String
Valid Values:
IN_PROGRESS | READY | FAILED - StatusReason
-
For failed allocations, the reason that provisioned concurrency could not be allocated.
Type: String
Errors
For information about the errors that are common to all actions, see Common Errors.
- InvalidParameterValueException
-
One of the parameters in the request is not valid.
- message
-
The exception message.
- Type
-
The exception type.
HTTP Status Code: 400
- ResourceConflictException
-
The resource already exists, or another operation is in progress.
- message
-
The exception message.
- Type
-
The exception type.
HTTP Status Code: 409
- ResourceNotFoundException
-
The resource specified in the request does not exist.
HTTP Status Code: 404
- ServiceException
-
The Amazon Lambda service encountered an internal error.
HTTP Status Code: 500
- TooManyRequestsException
-
The request throughput limit was exceeded. For more information, see Lambda quotas.
- retryAfterSeconds
-
The number of seconds the caller should wait before retrying.
HTTP Status Code: 429
See Also
For more information about using this API in one of the language-specific Amazon SDKs, see the following: