AWS SDK Version 3 for .NET
API Reference

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Sets the maximum number of simultaneous executions for a function, and reserves capacity for that concurrency level.

Concurrency settings apply to the function as a whole, including all published versions and the unpublished version. Reserving concurrency both ensures that your function has capacity to process the specified number of events simultaneously, and prevents it from scaling beyond that level. Use GetFunction to see the current setting for a function.

Use GetAccountSettings to see your Regional concurrency limit. You can reserve concurrency for as many functions as you like, as long as you leave at least 100 simultaneous executions unreserved for functions that aren't configured with a per-function limit. For more information, see Lambda function scaling.

Note:

This is an asynchronous operation using the standard naming convention for .NET 4.5 or higher. For .NET 3.5 the operation is implemented as a pair of methods using the standard naming convention of BeginPutFunctionConcurrency and EndPutFunctionConcurrency.

Namespace: Amazon.Lambda
Assembly: AWSSDK.Lambda.dll
Version: 3.x.y.z

Syntax

C#
public virtual Task<PutFunctionConcurrencyResponse> PutFunctionConcurrencyAsync(
         PutFunctionConcurrencyRequest request,
         CancellationToken cancellationToken
)

Parameters

request
Type: Amazon.Lambda.Model.PutFunctionConcurrencyRequest

Container for the necessary parameters to execute the PutFunctionConcurrency service method.

cancellationToken
Type: System.Threading.CancellationToken

A cancellation token that can be used by other objects or threads to receive notice of cancellation.

Return Value


The response from the PutFunctionConcurrency service method, as returned by Lambda.

Exceptions

ExceptionCondition
InvalidParameterValueException One of the parameters in the request is not valid.
ResourceConflictException The resource already exists, or another operation is in progress.
ResourceNotFoundException The resource specified in the request does not exist.
ServiceException The Lambda service encountered an internal error.
TooManyRequestsException The request throughput limit was exceeded. For more information, see Lambda quotas.

Version Information

.NET Core App:
Supported in: 3.1

.NET Standard:
Supported in: 2.0

.NET Framework:
Supported in: 4.5

See Also