A Virtual Machine Migration Method with Three Thresholds
A technology of virtual machine migration and virtual machine, which is applied in the field of cloud computing and can solve problems such as the decline of cloud service quality
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[0038] In this embodiment, a three-threshold virtual machine migration method is used in the process of migrating N virtual machines between M hosts,
[0039] Let M hosts be recorded as set PM={pm 1 ,pm 2 ,...,pm m ,...,pm M}, 1≤m≤M; pm m Indicates the m-th host in PM, so that the m-th host in the T-th cycle pm m recorded as and pc m Indicates the mth host pm m The total computing power of the CPU, for example, if there are 2 CPUs in the host, and the computing power of each CPU is 2000 MIPS, then the total CPU computing power of the host is 4000; Indicates the mth host in the Tth cycle load, and For example, if the CPU utilization rate of the host in the current period is 50%, then the load of the host in the current period is 0.5; Indicates the mth host in the Tth cycle CPU computing power used, and Indicates the mth host in the Tth cycle of idle CPU computing power, and Indicates the mth host in the Tth cycle the active marker for , and In t...
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