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Method and device for deduplication of files

A technology for deduplication and files, which is applied in the fields of electronic digital data processing, digital data information retrieval, special data processing applications, etc. , the effect of speeding up

Active Publication Date: 2019-04-26
INT BUSINESS MASCH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] Although the content-based segmentation method and the sliding block segmentation method can solve this problem, it is difficult to determine the size of the data block, resulting in slower data deduplication than the fixed-length segmentation method.

Method used

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  • Method and device for deduplication of files

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Embodiment Construction

[0022] Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0023] figure 1 A block diagram of an exemplary computer system / server 12 suitable for use in implementing embodiments of the invention is shown. figure 1 The computer system / server 12 shown is only an example and should not impose any limitation on the functions and scope of use of the embodiments of the present invention.

[0024] Such as figure 1 As shown, computer system / server 12 takes the form of a general purpose computing device. ...

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Abstract

The present invention discloses a method for deduplication of a file, a computer program product, and an apparatus thereof. In the method, the file is partitioned into at least one composite block, wherein the composite block includes a fixed-size block and a variable-size block, the variable-size block being determined based on content of the file. Then a deduplication operation is performed on the at least one composite block.

Description

technical field [0001] The present invention relates to deduplication technology, and more specifically, to a method and device for deduplication of files. Background technique [0002] Data deduplication is a data reduction technique widely used in the data backup and archiving process, which eliminates redundant data by removing duplicate data in data sets (for example, files), thereby reducing the storage capacity used in the storage space . [0003] Generally, redundant data can be divided into three types: file-level redundant data, data block-level redundant data, and byte-level redundant data. In file-level types, redundant data is the entire file, which means that the file is duplicated with other files. In the block-level type, redundant data is certain data blocks within a file, which means that there are identical data blocks between different files. In byte-level types, redundant data is finer-grained data represented by bytes. [0004] Corresponding data ded...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/174
CPCG06F16/1752
Inventor 朱国峰
Owner INT BUSINESS MASCH CORP
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