Resource management method, device and system

The invention provides a resource management method, device and system, which can improve the utilization rate of shared resources. The resource management method can comprise the steps of obtaining resource demand information of each task descriptor in at least one task descriptor, wherein the resource demand information is used for indicating the size and/or type of a shared resource applied by each task descriptor before execution; obtaining statistical information of each task descriptor in a first resource adjustment stage, wherein the statistical information is used for indicating a use condition of a shared resource allocated by each task descriptor when each task descriptor is executed; and based on the resource demand information of each task descriptor and the statistical information of each task descriptor in the first resource adjustment stage, adjusting the allocation proportion of shared resources when each task descriptor is executed in the second resource adjustment stage. 本申请提供一种资源管理方法、装置和系统，