Functions limitations

Reviewed on 12 October 2021 • Published on 12 October 2021

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

Resources	Criteria	Limits	Scope
Namespaces	Max Number	5	Project
Functions	Max Number	100	Namespace
Functions	Max Number	500	Organisation
Zip Size	Max size	100 MB	Function
Code Size	Max size	500 MB	Function
Temporary disk size	Max size	512 MB	Function Instance
Invocation rate	Max Number	1000 per second	Function
Concurrency	Max	1	Function Instance
Scale (Number of simultaneous Function Instance)	Max	50	Functions
Environment Variables	Max Number	100	Function + Namespace
Environment Variables	Max Size	1000 chars	Environment Variable
Time before scale to zero	Time	15m	Instance
Time before scale down	Time	30s	Instance
Timeout	Max	900s	Request
Payload	Max Size	6MB	Request

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)