overflow
The compute fleet overflow behavior.
For overflow behavior
QUEUE, your overflow builds need to wait on the existing fleet instance to become available.For overflow behavior
ON_DEMAND, your overflow builds run on CodeBuild on-demand.
If you choose to set your overflow behavior to on-demand while creating a VPC-connected fleet, make sure that you add the required VPC permissions to your project service role. For more information, see Example policy statement to allow CodeBuild access to AWS services required to create a VPC network interface .