US Patent 10067803 Policy based virtual machine selection during an optimization cycle

Systems, methods, and computer program products configured to perform an operation comprising determining that use of a system resource of a first host system exceeds a threshold, wherein the first host system executes a plurality of virtual machines in a cloud computing environment, identifying a first virtual machine, of the plurality of virtual machines, for migration based on a first migration policy, of a plurality of migration policies, wherein the plurality of migration policies specify a respective set of rules for identifying virtual machines for migration, and migrating the first virtual machine to a second host system in the cloud computing environment to reduce the use of the system resource on the first host system.