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Distributed storage method and distributed storage system

A distributed storage and distributed algorithm technology, applied in the field of distributed storage, can solve the problem of waste of storage resources and achieve the effect of shortening the delivery time

Inactive Publication Date: 2016-11-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Embodiments of the present invention provide a method and system for realizing distributed storage to solve the problem of waste of storage resources in the prior art

Method used

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  • Distributed storage method and distributed storage system
  • Distributed storage method and distributed storage system
  • Distributed storage method and distributed storage system

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Embodiment Construction

[0041] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0042] The network architecture and business scenarios described in the embodiments of the present invention are to more clearly illustrate the technical solutions of the embodiments of the present invention, and do not constitute limitations on the technical solutions provided by the embodiments of the present invention. The evolution of the architecture and the emergence of new business scenarios, the technical solutions provided by th...

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Abstract

The invention discloses a distributed storage method. According to the distributed storage method, after a first storage node of a distributed storage system receives a content data writing request from an application server, the first storage node determines a second storage node for writing content data according to capacity loads and flow loads of storage nodes in the distributed storage system, notifies the application server of writing the content data into the determined second storage node and creates management data of the content data locally, wherein storage positions, namely storage nodes, of the content data are recorded in the management data. Since content data are distributed on the basis that the capacity conditions and the flow conditions of the storage nodes are taken into full consideration, the problem of resource waste caused by adoption of a unified algorithm for content data distribution is avoided.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a distributed storage method and system. Background technique [0002] A distributed storage system is composed of multiple servers with storage capabilities. Wherein, each server is interconnected through a network, and provides storage services as a whole externally. Generally, there are two designs for distributed storage systems. One is centralized design. This design uses a centrally deployed central server to allocate and manage data distribution. Before accessing data, the client asks the central server for the data location to determine the Then initiate a request to read the data to the server to which the data belongs. The other is a decentralized design. This design uses a distributed algorithm, such as a distributed hash (Distributed Hash Table, DHT) algorithm, to manage data distribution by calculating the location of the data. When the client reques...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L12/24
CPCH04L41/04H04L67/1029H04L67/1036H04L67/1097H04L67/563G06F16/00
Inventor 林灿榕李耀辉沈剑刚
Owner HUAWEI TECH CO LTD
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