Billing - Amazon Elastic Compute Cloud T3ACPUCredits Charges

Question

I am seeing increasing CPUCredit charges in my bill despite all instances having sufficient CPU credits. Could someone explain the reason for this charge?

Accepted Answer

It's possible that these instances are bursting during specific times and expending the credits. I would suggest reviewing this in CloudWatch and maybe setting an alarm to notify you when it happens.

https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/burstable-performance-instances-monitoring-cpu-credits.html

Answer

I found the issue with one of the instances. Thanks for providing guidance on how to track the CPU credit usage on cloudwatch.

Billing - Amazon Elastic Compute Cloud T3ACPUCredits Charges

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