Backtrackable snapshot lossless compression method, device and equipment and readable storage medium

A lossless compression and compression storage technology, which is applied in special data processing applications, instruments, file systems, etc., can solve the problems of convenient query and inability to take into account the storage space, and achieve the effect of saving storage space

Inactive Publication Date: 2019-05-10
北京智融时代信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The present invention provides a retroactive snapshot lossless compression method, device, equipment, and readable storage medium, which solves the current problems of storage space and convenience of query, etc.

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  • Backtrackable snapshot lossless compression method, device and equipment and readable storage medium
  • Backtrackable snapshot lossless compression method, device and equipment and readable storage medium
  • Backtrackable snapshot lossless compression method, device and equipment and readable storage medium

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Embodiment Construction

[0050] The characteristics and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only configured to explain the present invention, not to limit the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present invention by showing examples of the present invention.

[0051] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation...

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Abstract

The invention discloses a snapshot lossless compression method capable of realizing backtracking. The method comprises the following steps of formatting snapshot original data; acquiring snapshot data; and compressing and storing the variable quantity of the snapshot data. Meanwhile, the invention further discloses a backtraced snapshot lossless compression device, backtraced snapshot lossless compression equipment and a readable storage medium. The embodiment of the invention discloses a snapshot lossless compression method capable of realizing backtracking. According to the device, the equipment and the readable storage medium, the snapshot original data is formatted, and the variable quantity of the snapshot data is compressed and stored, so that the snapshot data of any historical timepoint can be traced back on the premise that the storage space is not wasted, the query of historical total data is supported, and the storage space is saved.

Description

technical field [0001] The present invention relates to the technical field of data storage, in particular to a retroactive snapshot lossless compression method, device, equipment and a readable storage medium. Background technique [0002] In the field of data storage, snapshots are an indispensable function in online storage systems. It can perform online data backup and recovery, and provide storage users with an alternate data access channel. [0003] Snapshot management generally includes operations such as creating, restoring, and deleting, wherein operations such as restoring and deleting snapshots are performed based on information generated during the creating operation. At present, one type of snapshot storage commonly used in snapshot storage is irreversible incremental storage. In order to split the list elements in the snapshot and store them in the row database, the added information of changes between snapshots is directly inserted into the row database, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/174G06F16/11
Inventor 王业庞晓赛郭安
Owner 北京智融时代信息技术有限公司
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