Among them: resource pool is used to integrate the physical resources of host cluster to provide support for virtual machine scheduling; connection pool maintains a fixed number of constant connections that can communicate with host nodes; image management is used to add template images to the cloud storage layer or delete virtual machine images or generate ordinary images according to template image clones; and; The host cluster management detects the heartbeat of the host nodes in the host cluster to ensure the availability of the host nodes; the virtual machine scheduling schedules the virtual machines that need to be turned on to the appropriate host nodes according to the situation of the resource pool.<br>
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