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Is Lambda invocation = 0 is a guaranteed metric that proves the Lambda function was unused during the period I provide to metric?

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Hey everyone,

I am doing a general cleanup on Lambda functions. As I don't want to ruin the production environment, I want to make sure that Lambda is not used at all before deleting it.

I am using Lambda monitor tab > CloudWatch metrics -> Invocation metric Can we say that when invocation count is 0 the Lambda is not used at all for the time interval I provide?

Thank you all in advance for your time and help!

1 Answer
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Accepted Answer

Invocations counts the number of times the function was invoked. So yes, if it 0, it means it was not invoked. I do recommend that you use the Sum option in the dashboard to make sure you do not miss some small numbers.

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EXPERT
answered 6 months ago
  • I will check out the Sum option, thank you Uri.

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