tcb fn set-provisioned-concurrency
Sets provisioned concurrency for a function version, reserving instances to reduce cold starts.
Usage
tcb fn set-provisioned-concurrency <functionName> <version> <concurrency>
Flags
| Flag | Required | Description | Default |
|---|---|---|---|
<functionName> | Yes | Function name | — |
<version> | Yes | Function version, must be a published version | — |
<concurrency> | Yes | Number of provisioned instances | — |
Example
# 10 provisioned instances for version 1 of the app function
tcb fn set-provisioned-concurrency app 1 10
# 20 provisioned instances for version 2 of the login function
tcb fn set-provisioned-concurrency login 2 20
⚠️ Provisioned instances are billed continuously, whether or not requests arrive.
Related commands
- Show provisioned concurrency
- Delete provisioned concurrency
- Publish a version: provisioned concurrency only applies to published versions