Active CPU pauses during I/O wait
Catalog row in Vendor License Rules · Cited
- Kind
- Counting
- Statement
- Active CPU is billed only while code executes, not while it waits on I/O, whereas Provisioned Memory continues billing while requests are in flight. (effective 2026-06-16)
- Applies when
- A function awaits a database or AI model call
- Applies to
- Vercel Functions
- Related metrics