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Distributed file system and implementation method

A distributed file and file reading technology, applied in the field of distributed computing, can solve problems such as the impact of system availability, and achieve the effect of improving robustness and scalability

Active Publication Date: 2015-09-30
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Compared with the previous scheme, this scheme not only improves the scalability of the name node, but also improves the load capacity of the system; however, like the previous scheme, the name node is still a single point of the system, and the availability of the system is limited. influences

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  • Distributed file system and implementation method

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Embodiment Construction

[0038] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangement of components and steps, the numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the invention unless specifically stated otherwise.

[0039] Meanwhile, it should be understood that, for the convenience of description, the dimensions of various parts shown in the accompanying drawings are not drawn in an actual proportional relationship.

[0040] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

[0041] Techniques, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the authorized ...

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Abstract

The invention discloses a distributed file system and an implementation method thereof, and belongs to the technical field of distributed computation. According to the method, self-organization characteristics are added between name nodes and data nodes, and the data nodes autonomously select the name nodes through address matching and regard the name nodes with the high matching degree as the main name nodes and the standby name nodes; the name nodes can receive or refuse addition of the data nodes according to the load conditions of the name nodes; the main nodes and the standby nodes can be in mutual backup and can be switched in real time. By the adoption of the self-organization distributed file system and the implementation method thereof, the robustness and scalability of the distributed file system are improved, and the problems of system bottlenecks and single point failure and the problems existing in scale expansibility are solved.

Description

technical field [0001] The invention relates to the technical field of distributed computing, in particular to a distributed file system and an implementation method. Background technique [0002] With the rise of cloud computing, more and more attention has been paid to distributed computing technology; especially after the processing of massive data has become the norm, research on distributed file systems and distributed computing models is very active. On the issue of massive data processing, how to store massive data is the most basic problem; Google (Google) published the paper "The Google File System" in 2003, describing how the Google File System (Google File System, GFS) succeeded Solved the storage problem of massive data. Based on the idea of ​​"The Google File System", the open source community built a Hadoop DFS (ie HDFS). With HDFS, massive data can be stored like the Google file system. In this era of explosive data growth, HDFS provides a highly reliable an...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 黄海庞涛武娟钱锋
Owner CHINA TELECOM CORP LTD