Distributed file system and method for processing multiple replica data in distributed file system
A distributed file and data technology, applied in the field of data processing, can solve problems such as reading errors, failure to know data node data damage, failure to guarantee data consistency of multiple copies, etc., to achieve the effect of ensuring consistency
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[0022] 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 embodiments and drawings.
[0023] In the present invention, the master node server not only records the address set of multiple copies of the data block, but also records the correct version number of the multiple copy data, and judges the read copy data through the correct version number to ensure multiple copies of the data block Data consistency. See figure 2 , Is a schematic flowchart of a method for processing multiple copy data in a distributed file system of the present invention, which includes the following steps:
[0024] In step 201, the client obtains the address set and correct version number of multiple copies of the data block from the master node server.
[0025] Each file is divided into multiple data blocks, and each data block has multiple copies of data, which are stored on...
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