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Data processing method and device, storage medium and program product

A data processing and data technology, applied in the input/output process of data processing, electrical digital data processing, instruments, etc., can solve the problems of complex data storage management, data garbage, etc., achieve delayed deletion, solve the problem of accidental deletion, realize The effect of lock-free garbage data collection

Pending Publication Date: 2021-08-06
ALIBABA SINGAPORE HLDG PTE LTD
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AI Technical Summary

Problems solved by technology

[0002] With the explosive growth of digital information, the data in the backup system increases accordingly, and the storage management of data becomes more and more complicated
The adoption of data deduplication technology optimizes storage efficiency, but brings about the problem of data garbage generated during data deletion

Method used

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  • Data processing method and device, storage medium and program product
  • Data processing method and device, storage medium and program product
  • Data processing method and device, storage medium and program product

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Embodiment Construction

[0018] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0019] With the explosive growth of digital information, cloud storage applications emerged. Users can upload local data to backup systems such as cloud disks and network disks for data storage. The data in the backup system increases accordingly, and the storage management of the data becomes more and more complicated. The adoption of data deduplic...

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Abstract

The embodiment of the invention provides a data processing method and device, a storage medium and a program product. In the embodiment of the invention, a currently used data set and a historical recovery round in which recovered junk data are not deleted can be determined; and under the condition that the historical junk data recovered by the historical recovery round is not used any more, determining to-be-recovered data from the historical junk data according to the currently used data set and the historical junk data recovered by the historical recovery round, recovering the to-be-recovered data to the storage system, and deleting the historical junk data; therefore, the lock-free junk data recovery is realized, and the problem of mistaken deletion caused by a lock-free junk recovery method can be solved by delaying historical junk data deletion.

Description

technical field [0001] The present application relates to the technical field of data storage, and in particular to a data processing method, device, storage medium and program product. Background technique [0002] With the explosive growth of digital information, the data in the backup system increases accordingly, and the storage management of data becomes more and more complicated. The adoption of data deduplication technology optimizes storage efficiency, but brings about the problem of data garbage generated during data deletion. How to clean up these storage garbage is an important technical problem that needs to be solved urgently in the backup system. Contents of the invention [0003] Various aspects of the present application provide a data processing method, device, storage medium, and program product, so as to realize data garbage collection. [0004] An embodiment of the present application provides a data processing method, including: [0005] determining...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/0604G06F3/0614G06F3/0641G06F3/0652
Inventor 贾志威
Owner ALIBABA SINGAPORE HLDG PTE LTD
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