A storage method and using method based on HDFS distributed file system
A distributed file and file technology, applied in the field of medical image processing, can solve the problem that FCSAN network bandwidth and processing capacity are difficult to meet the requirements of fast processing and transmission of PB series, HDFS writing performance is not real-time, lack of content index and single random Access and other issues, to meet the performance requirements of cloud storage distribution, meet the online high concurrent access requirements, and improve the effect of concurrent access capabilities
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[0050] The invention will be further described below in conjunction with accompanying drawings and specific implementation examples:
[0051] A storage method and usage method based on HDFS distributed file system, the present invention improves HDFS distributed file system, such as figure 1 as shown, figure 1 The middle dotted line part is the content of the present invention. On the basis of the HDFS distributed file system, an integrated content storage file block structure and a file cache pool based on the integrated content storage file block structure are added, and the file cache pool access process is given, including:
[0052] (1) Integrated content storage file block structure: save all local image files according to the following blocks, including content index table block, sampling volume data block, basic information table block, three-dimensional volume matrix block, and header information backup block. The original image file is stored according to the above f...
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