Importance

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Abstract

Provided herein is a method for improving Virtual Machine input/output performance of a server configured to execute a plurality of Virtual Machines, a scheduling method of a multicore system according to an embodiment of the present disclosure including measuring frequency of input/output requests of each of a plurality of Virtual Machines; determining whether or not there is a Virtual Machine of which the frequency of input/output requests is or more than a predetermined threshold value; moving, if frequency of input/output requests of a first Virtual Machine is or more than the predetermined threshold value, the first Virtual Machine to a first core where a Dom0 Virtual Machine is being executed; and shortening a scheduling cycle of the first core where the Dom0 Virtual Machine is being executed, thereby dynamically adjusting the scheduling cycles of the Virtual Machines, and rearranging the Virtual Machines between the cores in the multicore system, so as to improve the input/output performance of the Virtual Machines.

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First Claim