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Data storage method and device, equipment and storage medium

A data storage and data technology, applied in the field of communication, can solve the problems of write amplification and rewriting of old data, and achieve the effect of increasing the probability of data merging and reducing the problem of write amplification

Pending Publication Date: 2021-10-08
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Although the advantages of sequential access to the disk can be fully utilized by converting random writes of data into sequential writes, when writing data in sequential writes, the written data will cause some old data to be rewritten to the disk other locations, leading to write amplification problems

Method used

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  • Data storage method and device, equipment and storage medium
  • Data storage method and device, equipment and storage medium
  • Data storage method and device, equipment and storage medium

Examples

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Embodiment Construction

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the embodiments of the present application will be described in detail below with reference to the accompanying drawings. However, those of ordinary skill in the art can understand that in each embodiment of the application, many technical details are provided for readers to better understand the application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical solutions claimed in this application can also be realized. The division of the following embodiments is for the convenience of description, and should not constitute any limitation to the specific implementation of the present application, and the embodiments can be combined and referred to each other on the premise of no contradiction.

[0019] The first embodiment of the present invention relates to a data storag...

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Abstract

The embodiment of the invention relates to the technical field of communication, and discloses a data storage method. The method comprises the following steps of: aligning to-be-written data according to a minimum distribution unit; acquiring aligned part of data and non-aligned part of data of the to-be-written data; writing the aligned part of data into a disk, and writing the non-aligned part of data into a persistent memory; and writing the non-aligned part of data into the disk from the persistent memory. The embodiment of the invention further discloses a data storage device, equipment and a storage medium. According to the data storage method and device, the equipment and the storage medium provided by the embodiment of the invention, the problem of write amplification when data is written into the disk can be solved.

Description

technical field [0001] The embodiments of the present application relate to the technical field of communications, and in particular, to a data storage method, device, device, and storage medium. Background technique [0002] Traditional disks SSD (Solid State Drive) and HDD (Hard Disk), especially HDD, have a large gap between random access performance and sequential access performance of the device. In order to give full play to the performance of the disk, the disk is often accessed by converting random writes of data into sequential writes. For example, LSM-Tree, through the data update operation, caches and sorts the data in the memory, and then writes them to the disk sequentially in batches. [0003] Although the advantages of sequential access to the disk can be fully utilized by converting random writes of data into sequential writes, when writing data in sequential writes, the written data will cause some old data to be rewritten to the disk other locations, lead...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/0619G06F3/064G06F3/0652G06F3/065G06F3/0676
Inventor 韩银俊屠要峰高洪陈正华田海东
Owner ZTE CORP
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