Raster data access method based on distributed multi-stage cache system
A caching system and raster data technology, applied in memory systems, transmission systems, electrical digital data processing, etc., can solve the problem of low data storage performance, improve transmission rate, efficient data access efficiency, and increase the number of concurrent processing Effect
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[0028] A raster data access method based on a distributed multi-level cache system, the distributed system used is such as figure 1 , 2 As shown, the distributed system is physically divided into three layers, including server-side data storage system 1, server-side cache system 2, and client 3. The bottom layer is server-side data storage system 1, server-side cache system 2, and the bottom layer is The upper layer is the client layer 3 that interacts with users. The server-side data storage system 1 here is a distributed storage cluster composed of multiple data storage servers. The data storage server is a data storage server based on the HBase database. The server-side cache system 2 is a distributed cache cluster composed of multiple cache servers, and the cache servers are servers based on the Redis database. The distributed system is logically divided into four layers. The bottom layer is the physical layer of data storage, that is, the server-side data storage system ...
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