T2 instance CPU Credit Usage & Balance

http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/t2-instances.html

CPUCreditUsage

(Only valid for T2 instances) The number of CPU credits consumed during the specified period.

consumed 消耗

CPUCreditBalance

(Only valid for T2 instances) The number of CPU credits that an instance has accumulated.

accumulated 累積