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Functions limitations

Reviewed on 12 October 2021Published on 12 October 2021

This section contains usage limits that apply when using Serverless Functions.

ResourcesCriteriaLimitsScope
NamespacesMax Number5Project
FunctionsMax Number100Namespace
FunctionsMax Number500Organisation
Zip SizeMax size100 MBFunction
Code SizeMax size500 MBFunction
Temporary disk sizeMax size512 MBFunction Instance
Invocation rateMax Number1000 per secondFunction
ConcurrencyMax1Function Instance
Scale (Number of simultaneous Function Instance)Max50Functions
Environment VariablesMax Number100Function + Namespace
Environment VariablesMax Size1000 charsEnvironment Variable
Time before scale to zeroTime15mInstance
Time before scale downTime30sInstance
TimeoutMax900sRequest
PayloadMax Size6MBRequest

Configuration Restrictions

In order to ensure the proper functioning of the product, we restrict the use of certain ports and environment variables.

  • Blocked Port:

    • 25: Due to potential abuse (SPAM), no outbound traffic is allowed through this port.
  • Reserved environment variables:

    • SCW_*: Reserved for product configuration (for example: token validation)