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In the context of Scaleway Serverless Functions, a Sandbox environment is a critical security mechanism that isolates each function from others, ensuring that they operate in a secure and controlled space. Functions run in dedicated execution environments that prevent unauthorized access and potential interference between different resources.
Scaleway Serverless Functions offers two sandbox environment options:
Sandbox v1 is Serverless Functions’ legacy sandboxing environment with slower cold starts, but fully supports Linux system call interface.
Sandbox v1 is known to experience clock drift over time. A difference of approximately two seconds can be observed after 24 hours of uninterrupted execution. This issue especially affects long-running functions, whereas short-lived functions are much less impacted. Update to sandbox v2 to solve the issue.
Sandbox v2 is a modern isolation environment that relies on gVisor. This option offers faster cold starts, but only implements a selection of Linux syscalls. Refer to the official gVisor documentation for a comprehensive list of supported syscalls.
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