Distributed data redundancy storage method based on consistent Hash algorithm
A technology of distributed data and hash algorithm, which is applied in the direction of electric digital data processing, input/output process of data processing, encryption device with shift register/memory, etc. and other issues to achieve the effect of improving node selection efficiency and satisfying massive data storage
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[0020] A distributed data redundancy storage method based on a consistent hash algorithm disclosed in this application includes:
[0021] Step 1. Define equipment and node attributes, and establish a cluster organization structure so that the entire node selection process can be implemented in a structured cluster organization diagram. The execution process specifically includes:
[0022] 1). Abstract the device and node attributes, and the device represents the storage device that actually joins the cluster. Nodes are defined based on the location of physical storage devices in the cluster organization. like figure 1 As shown, it is a schematic diagram of the cluster organization structure based on physical storage devices. The storage (Device is a special node, located at the lowest layer of the cluster architecture, and is the final storage location of data, which is distinguished from ordinary nodes) generally has a unique identifier. The location information in the clus...
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