Lambda concurrency metrics not showing in cloud-watch

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Currently, we run several lambda functions in AWS. We have recently deployed a new function that is web-facing. This function needs to serve a high volume of end users thus requiring the use of provisioned concurrency. I have configured provisioned concurrency however can not see the following metrics.

  • ProvisionedConcurrentExecutions
  • ProvisionedConcurrencyUtilization
  • UnreservedConcurrentExecutions
  • ProvisionedConcurrencyInvocations
  • ProvisionedConcurrencySpilloverInvocations

I can confirm I have provisioned concurrency enabled and can see concurrent invocations via the ConcurrentExecutions metric.

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1 Risposta
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Provisioned Concurrency works on specific function alias. Are you actually invoking the specific alias? Or are you invoking Latest? You should point your API to the specific alias.

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  • So we are currently using a function URL. Then assigning provisioned concurrency to a function version. This should use our latest published version. I belive $LATEST should call the latest function version for example 10 or 20 or 30.

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