Distributed storage system, cache layer thereof, data access method and equipment

A distributed storage and data access technology, applied in the field of distributed storage systems and their cache layers, devices, and data access methods, can solve the problems of high maintenance cost of cache data consistency, reduce system performance, etc., and achieve high-performance storage services. , Improve system performance, cache data synchronization process is simple effect

Pending Publication Date: 2021-11-02
SANGFOR TECH INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the maintenance cost of cache data consistency is high, and the process of cache data synchronization also reduces system performance to a certain extent

Method used

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  • Distributed storage system, cache layer thereof, data access method and equipment
  • Distributed storage system, cache layer thereof, data access method and equipment
  • Distributed storage system, cache layer thereof, data access method and equipment

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Embodiment Construction

[0077] In order to enable those skilled in the art to better understand the solution of the present application, the present application will be further described in detail below in conjunction with the drawings and specific implementation methods. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0078] see figure 1 As shown, it is a schematic structural diagram of a distributed storage system provided by the embodiment of the present application. The distributed storage system may include a cache layer 110 and a backend storage layer 120 for persistent data storage. The cache layer 110 includes Multiple cache nodes, multiple object cache service OCSs run on multiple cache nodes, multiple OCSs form multiple cache g...

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Abstract

The invention discloses a distributed storage system and a cache layer thereof. The distributed storage system comprises the cache layer and a rear-end storage layer used for data persistent storage. The cache layer comprises a plurality of cache nodes, a plurality of object cache services OCSs run on the plurality of cache nodes, the plurality of OCSs form a plurality of cache groups, and each cache group independently processes different data. By applying the technical scheme provided by the embodiment of the invention, since no data cross exists between the cache groups, only the data consistency between the OCSs in the same cache group needs to be maintained, so that the maintenance cost of the data cache consistency is reduced, the cache data synchronization process is simpler, the system performance is improved to a certain extent. Data access can be performed in a low-delay and high-concurrency manner through each cache group, and a high-performance storage service is provided. The invention further discloses a data access method and a device applied to the distributed storage system and a computer storage medium, and the corresponding technical effects are achieved.

Description

technical field [0001] The present application relates to the field of information technology, in particular to a distributed storage system and its cache layer, data access method, and equipment. Background technique [0002] With the rapid development of computer technology, distributed storage systems are more and more widely used in various fields. Clients can access data in the back-end storage layer in the distributed storage system. In order to improve access performance, a layer of caching layer using high-speed storage media is often added before the back-end storage layer in the distributed storage system to cache some data. [0003] In related technologies, each cache node in a cache layer in a distributed storage system has global unity, and it is necessary to maintain the consistency of cached data among cache nodes. However, the maintenance cost of cache data consistency is high, and the process of cache data synchronization also reduces system performance to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/0897G06F3/06
CPCG06F12/0897G06F3/0604G06F3/0656G06F3/067
Inventor 雍帅周炜陈岩
Owner SANGFOR TECH INC
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