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A file fragmentation method based on HBase

A file fragmentation and file technology, applied in the computer field, can solve problems such as high single-point load, low data security, and inefficient storage

Active Publication Date: 2019-05-03
BEIJING SCISTOR TECH
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Problems solved by technology

[0004] Aiming at the problems of high single-point load, inefficient storage and low data security when storing large files, the present invention proposes a file fragmentation method based on HBase, which provides an efficient and reliable solution for fragmentation storage of large files

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  • A file fragmentation method based on HBase
  • A file fragmentation method based on HBase
  • A file fragmentation method based on HBase

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Embodiment Construction

[0044] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0045] An HBase-based file fragmentation method uses HBase as a storage medium for distributed storage of data content and a storage medium for fragment metadata information storage when large file data is stored in fragments. Such as figure 1 As shown, when large file data is written, it is divided into slices according to a certain granularity, and then concurrently written to HBase to distribute and store the data content of each slice in different node machines, and at the same time, store the storage elements of each slice Data information is added to the metadata information table of the large file in the form of a new column to complete the efficient and reliable storage of large file fragments. It mainly includes four parts: large file fra...

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Abstract

The invention discloses a file fragmentation method based on HBase, and belongs to the field of computers. The method comprises the following steps: firstly, reading a configuration file for fragmenting a large file and a configuration file read according to fragmentation granularity from a system, and fragmenting a certain large file; and writing and reading the file content according to the sequence of the fragments, and storing the content of each fragment in the HBase data table in an independent key value mode through a plurality of parallel threads. And meanwhile, storing the metadata information of each fragment in an HBase metadata information table in a newly added column manner. If the writing and reading of the file content is the specified slice, writing and reading the file content according to the specified slice number; if the write-in reading of the file content is random reading, setting a byte starting position and a read content size of the random reading; and finally, when the server is abnormal to cause writing or reading interruption, uploading or reading the fragment of the breakpoint again after the service is recovered. According to the method, the large file storage is more efficient and reliable, and the practicability and the adaptability are higher.

Description

technical field [0001] The invention belongs to the field of computers, in particular to an HBase-based file fragmentation method. Background technique [0002] With the development and application of Internet technology, the data generated by various industries such as social networks, mobile communications, online video, and e-commerce have shown explosive growth, and our lives are gradually entering the era of big data. In the era of big data, how to effectively store a large amount of data and then analyze and apply it has increasingly become the key to the development and advancement of enterprises in all walks of life. Especially in the face of large file storage, how to avoid excessive single-point load and how to achieve efficient and reliable storage are problems that need to be solved urgently. [0003] As a column-oriented distributed storage system for unstructured data, HBase provides a solution for distributed high-performance and reliable storage of unstructu...

Claims

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Application Information

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IPC IPC(8): G06F16/13G06F16/16
Inventor 王振宇李斌斌苏连超
Owner BEIJING SCISTOR TECH
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