Why did the CPU credit balance for my Amazon EC2 T2 instance suddenly drop?

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I want to know why the CPU credit balance suddenly dropped for my Amazon Elastic Compute Cloud (Amazon EC2) T2 instance.


When you stop a T2 instance, all accrued credits are lost. When you relaunch the instance, the CPU credit balance has zero credits plus any allocated launch credits. For more information, see Monitor your CPU credits for burstable performance instances.

To see the launch time of your instance, follow these steps:

  1. Open the Amazon EC2 console, and then choose Instances from the navigation pane.
  2. Select the T2 instance.
  3. On the Description tab, review the Launch time.

Related information

Unlimited mode for burstable performance instances

Burstable performance instances

Key concepts and definitions for burstable performance instances

AWS OFFICIALUpdated a year ago