High-performance picture data reading and storing method and system

The invention relates to the technical field of computers, and discloses a high-performance picture data reading and storing method and system.The high-performance picture data reading and storing method comprises the steps that a picture reading request from a user is received, a corresponding picture content stream is inquired according to a picture locator in the picture reading request, and the picture content stream is sent to the user; outputting the picture content stream to the user; meanwhile, the invention discloses a high-performance picture data reading and storing system which comprises an application program interface enabling module, a local hot data module, a distributed hot data module, a data persistence communication service module and a persistence cold data module. Idle server resources of the subway data center can be effectively utilized to store the pictures, the maintenance cost is low, and the method is not limited by the capacity of a service manufacturer and hardware. 本发明涉及计算机技术领域，