preemptFrom(fc, clusterResource, resToObtain, skippedAMContainerlist, skippedAMSize));
preemptFrom(fc, clusterResource, resToObtain, skippedAMContainerlist, skippedAMSize));
preemptFrom(fc, clusterResource, resToObtain, skippedAMContainerlist, skippedAMSize));
preemptFrom(fc, clusterResource, resToObtain, skippedAMContainerlist, skippedAMSize));