NVM data storage structure, storage method, reading method, equipment and medium

A data storage and data technology, applied in the direction of electrical digital data processing, input/output process of data processing, instruments, etc., can solve the problem of low read and write speed of NVM data, and achieve improved data writing efficiency and good spatial locality , the effect of increasing the reading rate

Active Publication Date: 2021-04-06
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art that data is written more frequently on NVM, r

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  • NVM data storage structure, storage method, reading method, equipment and medium
  • NVM data storage structure, storage method, reading method, equipment and medium
  • NVM data storage structure, storage method, reading method, equipment and medium

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Embodiment Construction

[0036] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0037] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention belongs to the technical field of computer storage systems, and discloses an NVM data storage structure, a storage method, a reading method, equipment and a medium. A plurality of hash buckets are arranged in the main hash table, first-stage to nth-stage slave hash tables are arranged in the public overflow area, and a plurality of hash buckets are arranged in the first-stage to nth-stage slave hash tables. During storage, delay splitting and normal splitting strategies are combined during each splitting of the linear hash index, so that the writing frequency of the linear hash to the NVM is reduced, and the writing performance is improved; and a multi-stage slave hash table is designed in a public overflow area, overflow buckets of hash buckets in a main hash table are stored in the slave hash table in the public overflow area, the reading performance of linear hash is improved while the writing performance of the linear hash is improved, and reading and writing friendliness is achieved.

Description

technical field [0001] The invention belongs to the technical field of computer storage systems, and relates to an NVM data storage structure, storage method, reading method, equipment and media. Background technique [0002] Big data applications pose major technical challenges to existing storage systems in terms of performance, capacity, scalability, and reliability. New non-volatile memory devices (Non-Volatile Memory, NVM), such as PCM, 3D-XPoint and Memristor RRAM has received more attention and research because of its high performance, large capacity and non-volatile characteristics. The use of new NVM storage media can make up for the differences in the characteristics of internal and external memory in the existing storage system architecture, and better meet the needs of big data storage in terms of capacity, performance and power consumption. The emergence and application of new NVM storage media have brought new opportunities and challenges to traditional data s...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/0604G06F3/0638G06F3/0679Y02D10/00
Inventor 张兴军赵英交姬辰肇张长江董小社魏嘉
Owner XI AN JIAOTONG UNIV
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