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Data storage method, system and terminal device

A technology of data storage and data buffer area, which is applied in the computer field, can solve the problem of writing speed drop, achieve the effect of reducing writing position, speeding up retrieval and reading speed, and improving writing speed

Active Publication Date: 2019-08-20
SHENZHEN STREAMING VIDEO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides a data storage method, system and terminal equipment to solve the problem of lower writing speed in the prior art when multi-channel data is written to an SMR disk

Method used

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  • Data storage method, system and terminal device
  • Data storage method, system and terminal device
  • Data storage method, system and terminal device

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Embodiment Construction

[0028] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0029] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.

[0030] figure 1 It is a schematic diagram of the implementation flow of the data storage method provided by an embodiment of the present invention. For the convenience of description, only the parts related to the embodiment of the present invention are s...

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Abstract

The present invention is applicable to the field of computer technology, and discloses a data storage method and system, and a terminal device. The method comprises: reading a data block index table,searching for an idle data block according to a data block index table, and updating a data block index node corresponding to the idle data block; allocating a cache for the intra-block index table inthe idle data block; cyclically reading data in a data buffer region of each channel; if the length of the data in the data buffer region of the target channel is greater than or equal to a preset time length, reading data of the preset time length in the data buffer region of the target channel, writing the data of the preset time length into the idle data block, and updating the data block index node corresponding to the idle data block and the intra-block index table in the cache; and, if the idle data block is full, writing the intra-block index table in the cache to the tail end of the idle data block, and continuing executing the step of searching for the idle data block according to the data block index table. The writing positions can be reduced, and the disk writing speed can beimpproved.

Description

technical field [0001] The invention belongs to the technical field of computers, and in particular relates to a data storage method, system and terminal equipment. Background technique [0002] With the high-definition of monitoring data and the increase in the number of monitoring channels, the amount of data that needs to be stored for monitoring is also increasing. As a cost-effective storage medium, hard disks are widely used in all walks of life, but the disk density is limited by the laws of physics. The current perpendicular magnetic recording technology used in hard disks is about to reach its limit. Therefore, Shingled Magnetic Recording (SMR) ) disk came into being. For SMR disks, a cache with a relatively high write speed is usually set up. Data is first written into the cache, and then the data is written from the cache to the shingled track when the SMR disk is idle, which can improve write efficiency. However, due to the limited cache space, when there are t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/2455G06F16/22
CPCG06F16/22G06F16/24552Y02D10/00
Inventor 王斌刘文涛归建章苏晓天
Owner SHENZHEN STREAMING VIDEO TECH
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