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Data access method and related device and system

A data access and operation method technology, applied in the computer field, can solve the problems of limiting the application range of NoF technology and NVMe technology, rising, NoF technology and NVMe technology single access mode support ability, etc., to achieve the effect of expanding the application range

Active Publication Date: 2020-06-26
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The core technologies of the third platform are cloud computing, software definition, and big data. In the storage field, the proportion of non-relational database applications has increased significantly, while the growth of traditional Structured Query Language (SQL, Structured Query Language) database applications has stagnated.
[0004] Traditional NoF technology and NVMe technology only support block access methods. Due to the single access method support capability of traditional NoF technology and NVMe technology, this greatly limits the application range of NoF technology and NVMe technology.

Method used

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  • Data access method and related device and system
  • Data access method and related device and system
  • Data access method and related device and system

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Embodiment Construction

[0217] The terms "comprising" and "having" and any variations thereof in the description and claims of the present invention and the above drawings are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally further includes For other steps or units inherent in these processes, methods, products or apparatuses. The terms "first", "second", "third" and "fourth", etc. are used to distinguish different objects, not to describe a specific order.

[0218] The inventors of the present invention are committed to expanding the access mode support capabilities of NoF technology and / or NVMe technology, and expect to expand the application range of NoF technology and NVMe technology by expanding the access mode support capabilities of NoF technology and / or NVMe technology.

[021...

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Abstract

A data access method and a related apparatus and system are disclosed. The data access method includes: receiving, by an NVMe from a processor, a first key-value command whose format meets an NVMe interface standard, where the first key-value command carries a first operation manner indicator and a first operation object type indicator, and an operation object type indicated by the first operation object type indicator includes a value; obtaining, by the NVMe, N keys corresponding to the first key-value command; and performing, by the NVMe on a value corresponding to each of the N keys, an operation indicated by the first operation manner indicator. Technical solutions in embodiments of the present invention are helpful in promoting a data access manner in an NVMe technology.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a data access method, a related device and a related system. Background technique [0002] In the past two years, the information technology (IT, Information Technology) industry is accelerating its shift to the third platform represented by cloud computing, mobile Internet, big data and social media. The core technologies of the third platform are cloud computing, software definition, and big data. In the storage field, the proportion of non-relational database applications has increased significantly, while the growth of traditional Structured Query Language (SQL, Structured Query Language) database applications has stagnated. . [0003] High-speed non-volatile memory (NVMe, Non-Volatile Memory Express) has high storage performance. The development of big data requires some high-performance and high-expansion storage technologies. Network-based high-speed non-volati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06
CPCG06F3/0622G06F3/0652G06F3/0658G06F3/0659G06F3/0679G06F3/0611G06F3/0656G06F3/0688G06F13/4022G06F13/4282G06F2213/0026
Inventor 谭春毅刘金水
Owner HUAWEI TECH CO LTD