Magnetic disk cache system based on solid-state disk
A technology of disk cache and solid-state disk, which is applied in the direction of memory system, memory address/allocation/relocation, instrument, etc., and can solve the problem of limited storage space of hotspot data, limited read and write performance of storage system, and storage space of solid-state disk Waste and other issues, to achieve the effect of improving utilization, improving read and write performance, and improving read and write performance
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[0037] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0038] First, explain the terms in the present invention:
[0039] Disk caching system: A caching system designed to speed up disk access. By caching hotspot data in a storage device with faster access speed and smaller capacity to improve disk read and write performance, the present invention uses solid state disks as cache equipment.
[0040] Free data block: The solid state disk storage space is divi...
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