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Distributed storage system and management method and device thereof

A distributed storage and system management technology, applied in the direction of electronic digital data processing, data processing input/output process, instruments, etc., can solve the problems of insufficient number of copies in the distributed storage system, affecting normal user read and write requests, etc., to achieve The effect of ensuring the same storage capacity and increasing the speed

Active Publication Date: 2020-08-07
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the number of copies in the distributed storage system will be insufficient, which will cause the entire system to initiate the data replication work of copy completion. The read and write pressure of the data copy work will affect the read and write requests of normal users.

Method used

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  • Distributed storage system and management method and device thereof
  • Distributed storage system and management method and device thereof
  • Distributed storage system and management method and device thereof

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Embodiment Construction

[0022] Various exemplary embodiments, features, and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. The same reference numbers in the figures indicate functionally identical or similar elements. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

[0023] The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as superior or better than other embodiments.

[0024] In addition, in order to better illustrate the present disclosure, numerous specific details are given in the following specific implementation manners. It will be understood by those skilled in the art that the present disclosure may be practiced without some of the specific details. In some instances, methods, means, componen...

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Abstract

The invention relates to a distributed storage system and a management method and device thereof, the method is applied to a client, the method comprises the following steps: obtaining delay parameters of each data node accessed in a first time period, wherein the delay parameters are used for representing the delay degree of accessing the data nodes by the client; and sending the acquired delay parameter of each data node to a main node, so that the main node determines the probability that each data node is allocated to a client for access according to the delay parameter. According to the distributed storage system and the management method and device thereof, the probability that the data node is allocated to the client for access is determined according to the delay degree of the datanode, and the speed of accessing the data node by the client can be increased under the condition that the storage capacity of the distributed storage system is not changed.

Description

technical field [0001] The present disclosure relates to the field of computer technology, and in particular to a distributed storage system and its management method and device. Background technique [0002] Distributed storage system is a large-scale data storage system built on a large number of servers and networks, which can effectively prevent data loss or service unavailability caused by single disk failure, single-click failure, and small-scale network failure. [0003] Slow nodes may appear in the distributed storage system, that is, data nodes whose performance is significantly worse than other data nodes in the distributed storage system. [0004] In related technologies, after the master node discovers the slow node, it can delete the slow node from the replica node list. In this way, the number of copies in the distributed storage system will be insufficient, which will cause the entire system to initiate the data copy work of copy completion. The read and writ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/0611G06F3/0604G06F3/067G06F3/061
Inventor 刘金鑫董乘宇
Owner ALIBABA GRP HLDG LTD
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