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Image storage method, query method, device and access system

A picture and picture generation technology, applied in still image data indexing, still image data retrieval, special data processing applications, etc., can solve the problem that the disk bandwidth utilization rate is less than 50%, the effect of re-hash storage of small files is limited, etc. problem to avoid insufficient bandwidth utilization

Active Publication Date: 2020-01-03
北京马赫谷科技有限公司
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AI Technical Summary

Problems solved by technology

However, since image files are usually small files ranging from hundreds of KB to several MB, the effect of hashing small files again is very limited. For example, a 300KB image file is hashed to 4 RAID groups, each RAID group once The effective data of IO is less than 100KB, and the stripe size of a RAID group is usually 256KB or 512KB, and the disk bandwidth utilization is less than 50%.

Method used

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  • Image storage method, query method, device and access system
  • Image storage method, query method, device and access system
  • Image storage method, query method, device and access system

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Embodiment Construction

[0037] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0038] In order to make the technical solution of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0039] figure 1 It is a flow chart of a picture storage method provided by an embodiment of the present invention, figure 2 A schematic data flow diagram of a picture sto...

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Abstract

The invention discloses a picture storage method and device, a query method and device and an access system. the picture storage method comprises: using a Hash transformation method, generating a KEYvalue according to the spatial position and the generation time of the picture; integrally storing the picture data of the picture in a cache queue corresponding to the KEY value; the same or different KEY values can be generated according to the picture data of other pictures received in the timing period of the timer; and storing each picture data into a cache queue corresponding to the KEY value, writing the cache queue into a storage device group with a serial number of KEY value in a form of a drop disk file after the timing period is finished, and generating an index file convenient forquerying the picture. The bandwidth utilization rate of the storage device group can be effectively improved.

Description

technical field [0001] The invention relates to the technical field of data storage, in particular to a picture storage method, a query method, a device and an access system. Background technique [0002] With the popularity of video surveillance, Internet applications and storage technologies, the amount of data in the picture storage system is increasing, and has grown to PB (=2 50 bytes) level data volume. In the picture storage system in the field of video surveillance, pictures uploaded by various cameras and video processing equipment are usually stored, and the picture size ranges from tens of KB (=2 10 bytes) to several MB (=2 20 Bytes) range, tens of thousands of pictures can be written per second. These pictures can be queried by the third-party system according to the range of the picture generation source ID and generation time when needed. [0003] There are currently three types of storage technologies: block storage, file storage, and object storage. Compa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/51
CPCG06F16/51
Inventor 黎莉刘萌陈志德谢文辉杨程刘廷永朱志强
Owner 北京马赫谷科技有限公司
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