If this AMI is intended to run on dual core and up the concurrency setting 'pifr_client_concurrency' should be set to something > 1. That is passed to run-tests.sh which will then spawn the that number of processes when running tests.
If this AMI is intended to run on dual core and up the concurrency setting 'pifr_client_ concurrency' should be set to something > 1. That is passed to run-tests.sh which will then spawn the that number of processes when running tests.