Resource management in a virtualized computing environment

A non-transitory computer-readable storage medium that includes a set of instructions which, in response to execution by a processor, causes the processor to perform resource management in a virtualized computing environment, comprising:

• monitoring multiple first virtual machines to update a status of each first virtual machine to an inactive status based on a resource consumption level of resources allocated to the first virtual machine and to maintain an inactive list associated with the inactive status, wherein monitoring the multiple first virtual machine further comprises:
• maintaining an active list that includes at least one of the multiple first virtual machines associated with an active status and the inactive list;
• updating the status of each first virtual machine from the active status to the inactive status by moving the first virtual machine from the active list to the inactive list;
• in response to determining that the resource consumption level is lower than a first predetermined level, moving the first virtual machine to a position on the inactive list that represents a low level of inactivity;
• in response to determining that the resource consumption level is lower than a second predetermined level below the first predetermined level, moving the first virtual machine to a position on the inactive list that represents a high level of inactivity;
• and
• in response to receiving a request to allocate resources to a second virtual machine, checking the inactive list to determine whether any of the multiple first virtual machines has the inactive status, and in response to the inactive list including at least one of the multiple first virtual machines:
• selecting, for having a higher level of inactivity among the multiple first virtual machines with the inactive status, at least one of the multiple first virtual machines allocated with resources that are sufficient to satisfy the requested resources in the request from the inactive list, wherein the higher level of inactivity is associated with an order on the inactive list;
• releasing resources allocated to the selected at least one of the multiple first virtual machines;
• and
• reallocating the released resources to the second virtual machine.

A computer system to perform resource management in a virtualized computing environment, wherein the computer system comprises:

• a processor;
• and
• a non-transitory computer readable medium having stored thereon instructions that, when executed by the processor, causes the processor to:
• monitor multiple first virtual machines to update a status of each first virtual machine to an inactive status based on a resource consumption level of resources allocated to the first virtual machine and to maintain an inactive list associated with the inactive status, wherein the processor is further configured to:
• maintain an active list that includes at least one of the multiple first virtual machines associated with an active status and the inactive list;
• update the status of each first virtual machine from the active status to the inactive status by moving the first virtual machine from the active list to the inactive list;
• in response to determining that the resource consumption level is lower than a first predetermined level, move the first virtual machine to a position on the inactive list that represents a low level of inactivity;
• in response to determining that the resource consumption level is lower than a second predetermined level below the first predetermined level, move the first virtual machine to a position on the inactive list that represents a high level of inactivity;
• and
• in response to receiving a request to allocate resources to a second virtual machine, check the inactive list to determine whether any of the multiple first virtual machines has the inactive status, and in response to the inactive list including at least one of the multiple first virtual machines:
• select, for having a higher level of inactivity among the multiple first virtual machines with the inactive status, at least one of the multiple first virtual machines allocated with resources that are sufficient to satisfy the requested resources in the request from the inactive list, wherein the higher level of inactivity is associated with an order on the inactive list;
• release resources allocated to the selected at least one of the multiple first virtual machines;
• and
• reallocate the released resources to the second virtual machine.