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File storage method and equipment

A file storage and file technology, applied in the computer field, can solve the problems of difficulty in large-scale expansion, consumption of large memory and CPU resources, limitation of SSD cache capacity, etc., to achieve the effect of improving efficiency, reducing the number, and increasing the cache capacity of SSD

Active Publication Date: 2020-06-30
上海霄云信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The challenge of this method is that the number of monitored statistical objects needs to be proportional to the SSD cache capacity and accessed file data, which consumes a lot of memory and CPU resources, and at the same time limits the SSD cache capacity, making it difficult to expand on a large scale.

Method used

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  • File storage method and equipment
  • File storage method and equipment

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Embodiment Construction

[0077] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0078] In a typical configuration of the present application, the terminal, the device serving the network and the trusted party all include one or more processors (CPUs), input / output interfaces, network interfaces and memory.

[0079] Memory may include non-permanent storage in computer readable media, in the form of random access memory (RAM) and / or nonvolatile memory such as read only memory (ROM) or flash RAM. Memory is an example of computer readable media.

[0080] Computer-readable media, including both permanent and non-permanent, removable and non-removable media, can be implemented by any method or technology for storage of information. Information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static rando...

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PUM

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Abstract

The invention aims to provide a file storage method and equipment, and the method and equipment can set a caching strategy for each directory in a distributed storage system, and the caching strategycomprises cache forbidding and cache allowing; when the client writes a file into the storage node, the request message can carry the caching strategy information; the storage node implements SSD caching based on the file level instead of the data block level, thereby greatly reducing the number of monitoring required to be counted, improving the efficiency and greatly improving the SSD caching capacity. According to the method, a link is established in the HDD disk while the file is written into the SSD disk, and the link points to the file in the SSD. After the number link is established, ifthe file is located in the SSD, the content of the file in the SSD can be read through the link in the HDD, and one-time file searching operation can be reduced.

Description

technical field [0001] The invention relates to the field of computers, in particular to a file storage method and device. Background technique [0002] The distributed storage system achieves massive data storage and fast access by dispersing and storing data on multiple hard disks of multiple storage servers, and is widely used in various fields such as cloud computing and big data. [0003] Such as figure 1 As shown, a distributed storage system generally consists of a client, a management node, and a storage node. Among them, the client provides a transparent file / object / or block access interface to the upper layer, shielding the internal implementation details of the distributed storage system; the management node realizes the configuration management, monitoring, name space management, etc. of the storage system; the storage node realizes the data storage function . [0004] Large capacity, high performance, and low cost are not only the goals pursued by distributed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/067G06F3/0647G06F3/0614Y02D10/00
Inventor 王飞平程妹焦圣品
Owner 上海霄云信息科技有限公司