Capacity expansion method and device for server cluster system and server cluster system

A server cluster and server technology, applied in the transmission system, electrical components, etc., can solve problems such as the decrease of server hit rate and the increase of source station pressure

Active Publication Date: 2017-12-15
CHINACACHE INT HLDG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The present invention is proposed for the problem that after the existing server cluster is expanded, the hit rate of the responding server decreases, which leads to an increase in the pressure on the source site. Therefore, the main purpose of the present invention is to provide a method for expanding the capacity of the server cluster system and system to solve the above problems

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  • Capacity expansion method and device for server cluster system and server cluster system
  • Capacity expansion method and device for server cluster system and server cluster system
  • Capacity expansion method and device for server cluster system and server cluster system

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Embodiment Construction

[0027] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0028] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. Furthermore, the terms "comprising" and "having", as well as any variations thereof...

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Abstract

The invention discloses a capacity expansion method and device for a server cluster system and the server cluster system. The method includes: the load balancing server receives the first access request from the client; the load balancing server calculates the first hash value; the load balancing server determines the original cache server corresponding to the first hash value; the load balancing server calculates the second hash value The load balancing server determines the cache server corresponding to the second hash value; the load balancing server receives the content corresponding to the first access request in the original cache server corresponding to the first hash value via the newly added cache server corresponding to the second hash value; The load balancing server sends the received content to the client. Through the present invention, it is realized that the newly added cache server obtains the service content from the original cache server instead of directly from the source site, thereby achieving the effect of improving the hit rate of the cache server and reducing the pressure of the source site.

Description

technical field [0001] The present invention relates to the field of content distribution network, in particular to a method and device for expanding the capacity of a server cluster system and the server cluster system. Background technique [0002] Content Delivery Network (CDN for short), by adding a new layer of network architecture to the existing Internet, the content of the website is released to the "edge" of the network closest to the user, so that the user can get the desired information nearby. content, thereby improving the response speed of users visiting the website. [0003] In the field of Internet and CDN, in order to effectively improve the carrying capacity of CDN itself and improve the hit rate of CDN services, the way of building server clusters is usually adopted. At the same time, the use of consistent hash (Hash) technology can effectively avoid the impact on the original CDN cluster cache content when the cluster server is expanded. While the newly ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
Inventor 田江波朱磊
Owner CHINACACHE INT HLDG
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