get_function_concurrency

Lambda.Client.get_function_concurrency(**kwargs)

Returns details about the reserved concurrency configuration for a function. To set a concurrency limit for a function, use PutFunctionConcurrency.

See also: AWS API Documentation

Request Syntax

response = client.get_function_concurrency(
    FunctionName='string'
)

Parameters

FunctionName (string) --

[REQUIRED]

The name 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.

Return type

dict

Returns

Response Syntax

{
    'ReservedConcurrentExecutions': 123
}

Response Structure

• (dict) --
  • ReservedConcurrentExecutions (integer) --

    The number of simultaneous executions that are reserved for the function.

Exceptions

• Lambda.Client.exceptions.InvalidParameterValueException
• Lambda.Client.exceptions.ResourceNotFoundException
• Lambda.Client.exceptions.TooManyRequestsException
• Lambda.Client.exceptions.ServiceException

Examples

The following example returns the reserved concurrency setting for a function named my-function.

response = client.get_function_concurrency(
    FunctionName='my-function',
)

print(response)

Expected Output:

{
    'ReservedConcurrentExecutions': 250,
    'ResponseMetadata': {
        '...': '...',
    },
}