GPU resource POD live migration method and device and application

The invention provides a live migration method and device for GPU resource POD and application. The live migration method comprises the following steps that a GPU client side sends a migration request; after a migration component in the migration POD receives the migration request, the metadata cache index is sent to a migration receiving component receiving the POD; after a migration component in the migration POD receives the migration request, transmitting a high-frequency memory block and a low-frequency memory block to a migration receiving component; after the GPU server side receives the migration request, the task priority is adjusted; and the receiving POD performs hash verification on the received file, and confirms the stability of the GPU with the GPU server. According to the scheme, the problem of GPU container mirror image transmission is solved, the CPU state is quickly copied, GPU task scheduling is kept, and the purpose of quick live migration of algorithm container cloud GPU resource POD is