A method and system of managing resource lease duration for on-demand computing is provided. The system can include one or more resources having a metric capturing tool; and a provisioning manager in communication with the one or more resources. The provisioning manager can receive a request for at least one resource from the requester. The provisioning manager can provision the at least one resource from the one or more resources. The metric capturing tool can communicate one or more metrics associated with performance of the at least one resource to the provisioning manager. The provisioning manager can determine a lease modifier based at least in part on the one or more metrics. The provisioning manager can adjust a lease duration for the at least one resource based at least in part on the lease modifier.