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Source station file update release method and cache file update method

A technology for caching files and updating methods, which is applied to electrical components, transmission systems, etc., which can solve the problems of heavy cache server load, heavy workload, and no resource update, etc., and achieve the effect of avoiding excessive load on the source site

Active Publication Date: 2016-08-31
CHINANETCENT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 1. When a large number of resources need to be updated, the cache server needs to be notified to update these resources, which requires a lot of work, and the resources may not be updated due to missing notifications
[0008] 2. When the cache server receives these file update notifications, it needs to process a large number of resource update notification requests, which also causes a lot of load on the cache server

Method used

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  • Source station file update release method and cache file update method
  • Source station file update release method and cache file update method
  • Source station file update release method and cache file update method

Examples

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Embodiment Construction

[0027] In the prior art, after the source station updates files in batches, it needs to notify the cache server file by file, resulting in a large workload; and after receiving the update notification from the source station, the cache server usually needs to update multiple files involved in the notification at the same time. Updates are made, placing a considerable load on the cache server.

[0028] In the embodiment of the present invention, when the source station issues update notifications for multiple files, the update notifications use regular expressions to represent batch updates of resource files. For example, regular expressions can be used to represent multiple The resource file pointed to by the URL is updated. In this way, batch file update messages can be published in one update notification.

[0029] In addition, after receiving the update notification, the cache server can first mark the matching resource files as expired, without immediately performing back...

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Abstract

The invention provides a source station file updating and releasing method and a cache file updating method. The cache file updating method comprises the steps that a cache server receives an updating notification released by a file source station, wherein the updating notification expresses the batch updating of source files in a manner of regular expression; and the cache server traverses cached source files and marks source files matched with the regular expression to be overdue. The cache file updating method can be used for efficiently and quickly updating cache resources.

Description

technical field [0001] The present invention relates to a Web cache file update technology, in particular to a source site file update release method and a cache file update method. Background technique [0002] The way to refresh files in traditional HTTP websites is to set an expiration time for resource files. After the file expires, the client will go to the source site to verify whether the local cache file is available. If the source site has not modified the file, it will inform the client that the file has not been modified. , a local cache file can be used. [0003] With the development of the Internet, the number of users who visit the website will also increase. When the number of visits to the website reaches a certain level, the use of the cache server is introduced. The purpose of the cache server is to reduce requests to the source site. Usually, after the cache server is introduced, the source verification is still required when the file expires. For this p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
Inventor 洪珂郭文强谢玉燕
Owner CHINANETCENT TECH
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