Does Lambda provisioned concurrency still keep a Lambda warm after an availability zone failure?

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Would a function that is already warm due to provisioned concurrency, switch back to a ‘cold start state’ after an AZ failure?

I couldn’t find anything in the AWS Lambda SLA.

aws-lambda amazon-web-services
1 Answers

If there is an AZ failure then AWS Lambda will automatically route requests away from the impacted AZ.

Provisioned concurrency capacity will be maintained.

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