Limits that are related to concurrency and storage. All file and storage sizes are in bytes.
CodeSizeUnzipped
The maximum size of a function's deployment package and layers when they're extracted.
Type: Long
Required: No
CodeSizeZipped
The maximum size of a deployment package when it's uploaded directly to AWS Lambda. Use Amazon S3 for larger files.
Type: Long
Required: No
ConcurrentExecutions
The maximum number of simultaneous function executions.
Type: Integer
Required: No
TotalCodeSize
The amount of storage space that you can use for all deployment packages and layer archives.
Type: Long
Required: No
UnreservedConcurrentExecutions
The maximum number of simultaneous function executions, minus the capacity that's reserved for individual functions with PutFunctionConcurrency.
Type: Integer
Valid Range: Minimum value of 0.
Required: No
For more information about using this API in one of the language-specific AWS SDKs, see the following: