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Read request processing method and device, storage medium and electronic device

A processing method and read request technology, applied in the computer field, can solve the problems of low read request processing efficiency and the like

Active Publication Date: 2021-02-12
ZHEJIANG HUAYIXIN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Embodiments of the present invention provide a read request processing method, device, storage medium, and electronic device to at least solve the technical problem of low processing efficiency of read requests

Method used

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  • Read request processing method and device, storage medium and electronic device
  • Read request processing method and device, storage medium and electronic device
  • Read request processing method and device, storage medium and electronic device

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Embodiment Construction

[0021] 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.

[0022] 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 discloses a read request processing method and device, a storage medium and an electronic device. The method comprises the steps of acquiring a target reading request, wherein the targetreading request carries a data index value used for indicating target data to be read; in response to the target read request, obtaining a hit result of the target data in first data according to thedata index value, the first data being cached in a first storage address of a dynamic random access memory; under the condition that the hit result indicates that part of the target data hits the first sub-data in the first data, reading the second data from the second storage address of the flash memory to the third storage address of the random access memory; and under the condition of obtaining third data obtained after the combination of the first sub-data and the second data, writing the third data into the target host as target data. The technical problem that the processing efficiencyof the read request is low is solved.

Description

technical field [0001] The present invention relates to the field of computers, in particular to a method and device for processing a read request, a storage medium and an electronic device. Background technique [0002] As the demand for the performance of Solid State Disk (SSD for short) is getting higher and higher, Dynamic Random Access Memory (DRAM for short) is widely used in SSD, and is mainly used to store entries and cache data. [0003] The host side uses LBA as the smallest access unit, which is generally 512 bytes. The internal solid-state drive uses DBU as the smallest unit for data processing, which is generally 4KB. DRAM storage and management data are also based on 4KB as the minimum processing unit. Each processing unit stores 8 LBAs with consecutive addresses. Since the minimum processing unit on the host side and SSD is not equal, there may be only one processing unit in DRAM. When some LBAs are written, in other words, when a read request is obtained, it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/061G06F3/0656G06F3/0679
Inventor 张雪
Owner ZHEJIANG HUAYIXIN TECH CO LTD
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