CN111818142A - CDN cache clearing management system - Google Patents
CDN cache clearing management system Download PDFInfo
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- CN111818142A CN111818142A CN202010600840.7A CN202010600840A CN111818142A CN 111818142 A CN111818142 A CN 111818142A CN 202010600840 A CN202010600840 A CN 202010600840A CN 111818142 A CN111818142 A CN 111818142A
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- 238000000034 method Methods 0.000 claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 238000012163 sequencing technique Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 12
- 238000010926 purge Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 238000007726 management method Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
- H04L67/5682—Policies or rules for updating, deleting or replacing the stored data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0891—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches using clearing, invalidating or resetting means
Abstract
The invention discloses a CDN cache clearing management system, which comprises: the system comprises a monitoring acquisition unit, an analysis processing unit and a cache management unit; the monitoring acquisition unit is used for establishing a safety channel with each system node of the CDN, acquiring the cache condition of each system node of the CDN, analyzing and processing the cache condition of each system node of the CDN, and acquiring the information of each system node of the CDN, and the analysis processing unit is used for judging and analyzing the cache condition of each system node of the CDN according to a fixed value judgment method and a resource occupancy judgment method, and determining whether the cache of each system node of the CDN needs to be cleaned. According to the invention, the cache condition of each node of the content distribution network is analyzed according to one or more modes of cache time, cache object use condition and cache object access condition, then comprehensive analysis is carried out to determine the optimal cache removal object, and cache removal is carried out, wherein the removal mode is diversified and adjustable, the flexibility is high, and the applicability is strong.
Description
Technical Field
The invention relates to the technical field of cache removal, in particular to a CDN cache removal management system.
Background
The CDN, namely a content delivery network, is an intelligent virtual network constructed on the basis of an existing network, and enables a user to obtain required content nearby by means of functional modules of load balancing, content delivery, scheduling and the like of a central platform by means of edge servers deployed in various places, so as to reduce network congestion and improve user access response speed and hit rate.
The CDN cache removal management system is an intelligent removal management system for cache of each node of a content distribution network, and currently, most of cache objects of each node of the content distribution network are removed in a single mode in a sequencing mode, so that the removal mode is poor in flexibility and poor in applicability.
Disclosure of Invention
The invention aims to provide a CDN cache removal management system, which can analyze the cache condition of each node of a content distribution network according to one or more modes of cache time, cache object use condition and cache object access condition, then comprehensively analyze to determine an optimal cache removal object, and perform cache removal.
In order to achieve the purpose, the invention adopts the following technical scheme: a CDN cache flush management system, comprising: the system comprises a monitoring acquisition unit, an analysis processing unit and a cache management unit;
the monitoring acquisition unit is used for establishing a safety channel with each system node of the CDN, acquiring the cache condition of each system node of the CDN, analyzing and processing the cache condition of each system node of the CDN, and acquiring the information of each system node of the CDN;
the analysis processing unit is used for judging and analyzing the cache condition of each system node of the CDN according to a fixed value judgment method and a resource occupancy rate judgment method, and determining whether the cache of each system node of the CDN needs to be cleaned;
the cache management unit calls the data acquired by the analysis processing unit and the monitoring acquisition unit, then performs comprehensive analysis processing on the cache condition of the CDN system node needing cache cleaning, and realizes the removal of the cache of the CDN system node.
As a further description of the above technical solution:
the monitoring acquisition unit comprises a cache detection module, an information acquisition unit, an access communication module and a data processing unit;
the access communication module provides a safety channel for each system node of the CDN and is responsible for interaction between each system node of the CDN and the monitoring acquisition unit;
the cache detection module is communicated with each system node of the CDN through the access communication module, and collects and summarizes the cache condition of each system node of the CDN;
the information acquisition unit is communicated with each system node of the CDN through the access communication module to acquire CDN system node information;
the data processing unit calls the cache conditions of each system node of the CDN obtained by the cache detection module and analyzes, processes and intelligently sequences the cache conditions of each system node of the CDN.
As a further description of the above technical solution:
the CDN system node information comprises system node resource total amount information and system node load total amount information.
As a further description of the above technical solution:
the data processing unit comprises a time analysis module, a use analysis module and an access analysis module;
the time analysis module is used for analyzing and processing cache objects of each system node of the CDN according to the cache time;
the usage analysis module is used for analyzing and processing cache objects of each system node of the CDN according to usage times;
and the access analysis module is used for analyzing and processing cache objects of each system node of the CDN according to the access times.
As a further description of the above technical solution:
the data processing unit also comprises an intelligent sequencing module and a selective calling module;
the selection calling module is used for selecting one or more of a calling time analysis module, a use analysis module and an access analysis module according to actual needs to analyze and process the cache object;
the intelligent sequencing module is used for calling the time analysis module, using the data analyzed in the analysis module and the access analysis module and intelligently sequencing the cache objects according to the analysis result.
As a further description of the above technical solution:
the information acquisition unit comprises a CDN node information acquisition module and a CDN node threshold generation unit;
the CDN node information acquisition module is used for acquiring CDN system node information;
the CDN node threshold generation unit is used for calling CDN system node information acquired by the CDN node information acquisition module and intelligently analyzing and generating a node resource threshold and a node load threshold according to the CDN system node information.
As a further description of the above technical solution:
the analysis processing unit comprises a fixed value judgment module and a resource occupancy rate judgment module;
the fixed value judging module is used for judging whether cache clearing is needed to be carried out on corresponding system nodes according to the node resource threshold value on the acquired cache condition of each system node of the CDN;
the resource occupancy rate judging module is used for judging whether cache clearing needs to be carried out on corresponding system nodes according to the node load threshold value on the acquired cache conditions of each system node of the CDN.
As a further description of the above technical solution:
the analysis processing unit further comprises a threshold value leading-in module;
the threshold import module is used for calling a CDN node threshold generation unit in the information acquisition unit to intelligently analyze and generate a node resource threshold and a node load threshold, and transmitting the node resource threshold and the node load threshold to the fixed value judgment module and the resource occupancy rate judgment module.
As a further description of the above technical solution:
the cache management unit comprises a comprehensive analysis module and a cache clearing module;
the comprehensive analysis module is used for carrying out comprehensive comparison analysis on the intelligent sequencing data of the intelligent sequencing module, determining an optimal cache clearing object and transmitting the optimal cache clearing object to the cache clearing module;
and the cache clearing module is used for realizing cache clearing on the most used cache clearing object determined by the comprehensive analysis module.
The invention provides a CDN cache clearance management system. The method has the following beneficial effects:
the CDN cache removal management system analyzes the cache condition of each node of a content distribution network according to one or more modes of cache time, cache object use condition and cache object access condition by a time analysis module, a use analysis module and an access analysis module in a data processing unit in a matching and selective calling module, then comprehensively analyzes to determine an optimal cache removal object, performs cache removal, has various and adjustable removal modes, high flexibility and strong applicability, analyzes and processes the cache condition of each system node of the CDN by a fixed value judgment module and a resource occupancy judgment module, realizes the analysis and judgment of node resources and node loads of each system node of the CDN, enhances the integrity of the analysis and judgment, and simultaneously realizes the automatic analysis and generation of the node resource threshold and the node load threshold, the method does not need workers to conduct import, can automatically conduct replacement import according to the node information, and is more convenient to use.
Drawings
Fig. 1 is a schematic diagram of an overall structure of a CDN cache purge management system according to the present invention;
FIG. 2 is a schematic diagram of a monitoring acquisition unit according to the present invention;
FIG. 3 is a schematic diagram of a data processing unit according to the present invention;
FIG. 4 is a schematic diagram of an information acquisition unit according to the present invention;
FIG. 5 is a schematic view of an analysis processing unit according to the present invention;
FIG. 6 is a diagram illustrating a cache management unit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a CDN cache flush management system includes: the system comprises a monitoring acquisition unit, an analysis processing unit and a cache management unit;
the monitoring acquisition unit is used for establishing a safety channel with each system node of the CDN, acquiring the cache condition of each system node of the CDN, analyzing and processing the cache condition of each system node of the CDN, and acquiring the information of each system node of the CDN;
the analysis processing unit is used for judging and analyzing the cache condition of each system node of the CDN according to a fixed value judgment method and a resource occupancy rate judgment method, and determining whether the cache of each system node of the CDN needs to be cleaned;
the cache management unit calls the data acquired by the analysis processing unit and the monitoring acquisition unit, then performs comprehensive analysis processing on the cache condition of the CDN system node which needs cache cleaning, and realizes the removal of the cache of the CDN system node.
The monitoring acquisition unit comprises a cache detection module, an information acquisition unit, an access communication module and a data processing unit;
the access communication module provides a safety channel for each system node of the CDN and is responsible for interaction between each system node of the CDN and the monitoring acquisition unit;
the cache detection module is communicated with each system node of the CDN through the access communication module, and collects and summarizes the cache condition of each system node of the CDN;
the information acquisition unit is communicated with each system node of the CDN through the access communication module to acquire the information of the CDN system nodes;
and the data processing unit calls the cache conditions of each system node of the CDN, which are obtained by the cache detection module, and analyzes, processes and intelligently sequences the cache conditions of each system node of the CDN.
The CDN system node information comprises system node resource total amount information and system node load total amount information.
The data processing unit comprises a time analysis module, a use analysis module and an access analysis module;
the time analysis module is used for analyzing and processing cache objects of each system node of the CDN according to the cache time;
the usage analysis module is used for analyzing and processing cache objects of each system node of the CDN according to the usage times;
and the access analysis module is used for analyzing and processing cache objects of each system node of the CDN according to the access times.
The data processing unit also comprises an intelligent sorting module and a selection calling module;
the selection calling module is used for selecting one or more of a calling time analysis module, a use analysis module and an access analysis module according to actual needs to analyze and process the cache object;
the intelligent sequencing module is used for calling the time analysis module, using the data analyzed in the analysis module and the access analysis module and intelligently sequencing the cache objects according to the analysis result.
The information acquisition unit comprises a CDN node information acquisition module and a CDN node threshold generation unit;
the CDN node information acquisition module is used for acquiring CDN system node information;
the CDN node threshold generation unit is used for calling CDN system node information acquired by the CDN node information acquisition module and intelligently analyzing and generating a node resource threshold and a node load threshold according to the CDN system node information.
The analysis processing unit comprises a fixed value judgment module and a resource occupancy rate judgment module;
the fixed value judging module is used for judging whether cache clearing needs to be carried out on corresponding system nodes according to the node resource threshold value on the acquired cache condition of each system node of the CDN;
the resource occupancy rate judging module is used for judging whether cache clearing needs to be carried out on corresponding system nodes according to the node load threshold value on the acquired cache conditions of each system node of the CDN.
The analysis processing of the cache condition of each system node of the CDN is carried out by a fixed value judgment module and a resource occupancy rate judgment module in a dual mode, so that the node resources and the node loads of each system node of the CDN are analyzed and judged, the integrity of the analysis and the judgment is enhanced,
the analysis processing unit also comprises a threshold value leading-in module;
the threshold import module is used for calling a CDN node threshold generation unit in the information acquisition unit to intelligently analyze and generate a node resource threshold and a node load threshold, and transmitting the node resource threshold and the node load threshold to the fixed value judgment module and the resource occupancy rate judgment module.
The fixed value judgment module and the resource occupancy rate judgment module judge the used node resource threshold and the node load threshold to realize automatic analysis and generation, and workers do not need to import the node resource threshold and the node load threshold, and meanwhile, the node resource threshold and the node load threshold can be automatically replaced and imported according to node information, so that the use is more convenient.
The cache management unit comprises a comprehensive analysis module and a cache clearing module;
the comprehensive analysis module is used for carrying out comprehensive comparison analysis on the intelligent sequencing data of the calling intelligent sequencing module, determining an optimal cache clearing object and transmitting the optimal cache clearing object to the cache clearing module;
and the cache clearing module is used for realizing cache clearing on the most used cache clearing object determined by the comprehensive analysis module.
The CDN cache removal management system realizes analysis of cache objects of each node of a content distribution network according to one or more modes of cache time, cache object use conditions and cache object access conditions through a time analysis module, a use analysis module and an access analysis module in a data processing unit in a matching and selective calling mode, then performs comprehensive analysis to determine an optimal cache removal object, performs cache removal, and has various and adjustable removal modes, high flexibility and strong applicability.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A CDN cache purge management system, comprising: the system comprises a monitoring acquisition unit, an analysis processing unit and a cache management unit;
the monitoring acquisition unit is used for establishing a safety channel with each system node of the CDN, acquiring the cache condition of each system node of the CDN, analyzing and processing the cache condition of each system node of the CDN, and acquiring the information of each system node of the CDN;
the analysis processing unit is used for judging and analyzing the cache condition of each system node of the CDN according to a fixed value judgment method and a resource occupancy rate judgment method, and determining whether the cache of each system node of the CDN needs to be cleaned;
the cache management unit calls the data acquired by the analysis processing unit and the monitoring acquisition unit, then performs comprehensive analysis processing on the cache condition of the CDN system node needing cache cleaning, and realizes the removal of the cache of the CDN system node.
2. The CDN cache purge management system of claim 1 wherein the monitor acquisition unit comprises a cache detection module, an information acquisition unit, an access communication module and a data processing unit;
the access communication module provides a safety channel for each system node of the CDN and is responsible for interaction between each system node of the CDN and the monitoring acquisition unit;
the cache detection module is communicated with each system node of the CDN through the access communication module, and collects and summarizes the cache condition of each system node of the CDN;
the information acquisition unit is communicated with each system node of the CDN through the access communication module to acquire CDN system node information;
the data processing unit calls the cache conditions of each system node of the CDN obtained by the cache detection module and analyzes, processes and intelligently sequences the cache conditions of each system node of the CDN.
3. The CDN cache purge management system of claim 2 wherein the CDN system node information includes system node resource inventory information and system node load inventory information.
4. The CDN cache purge management system of claim 2 wherein said data processing unit comprises a time analysis module, a usage analysis module and an access analysis module;
the time analysis module is used for analyzing and processing cache objects of each system node of the CDN according to the cache time;
the usage analysis module is used for analyzing and processing cache objects of each system node of the CDN according to usage times;
and the access analysis module is used for analyzing and processing cache objects of each system node of the CDN according to the access times.
5. The CDN cache purge management system of claim 2 wherein the data processing unit further comprises an intelligent sorting module and a selective call module;
the selection calling module is used for selecting one or more of a calling time analysis module, a use analysis module and an access analysis module according to actual needs to analyze and process the cache object;
the intelligent sequencing module is used for calling the time analysis module, using the data analyzed in the analysis module and the access analysis module and intelligently sequencing the cache objects according to the analysis result.
6. The CDN cache purge management system of claim 2, wherein the information collection unit comprises a CDN node information collection module and a CDN node threshold generation unit;
the CDN node information acquisition module is used for acquiring CDN system node information;
the CDN node threshold generation unit is used for calling CDN system node information acquired by the CDN node information acquisition module and intelligently analyzing and generating a node resource threshold and a node load threshold according to the CDN system node information.
7. The CDN cache purge management system of claim 1, wherein the analysis processing unit comprises a fixed value determination module and a resource occupancy determination module;
the fixed value judging module is used for judging whether cache clearing is needed to be carried out on corresponding system nodes according to the node resource threshold value on the acquired cache condition of each system node of the CDN;
the resource occupancy rate judging module is used for judging whether cache clearing needs to be carried out on corresponding system nodes according to the node load threshold value on the acquired cache conditions of each system node of the CDN.
8. The CDN cache purge management system of claim 1 wherein the analysis processing unit further comprises a threshold import module;
the threshold import module is used for calling a CDN node threshold generation unit in the information acquisition unit to intelligently analyze and generate a node resource threshold and a node load threshold, and transmitting the node resource threshold and the node load threshold to the fixed value judgment module and the resource occupancy rate judgment module.
9. The CDN cache purge management system of claim 1, wherein the cache management unit comprises a comprehensive analysis module and a cache purge module;
the comprehensive analysis module is used for carrying out comprehensive comparison analysis on the intelligent sequencing data of the intelligent sequencing module, determining an optimal cache clearing object and transmitting the optimal cache clearing object to the cache clearing module;
and the cache clearing module is used for realizing cache clearing on the most used cache clearing object determined by the comprehensive analysis module.
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| CN103312776A (en) * | 2013-05-08 | 2013-09-18 | 青岛海信传媒网络技术有限公司 | Method and device for caching contents of videos by edge node server |
| CN105577822A (en) * | 2016-01-27 | 2016-05-11 | 北京国电通网络技术有限公司 | Content distribution network (CDN) node based cache centralized management system |
| CN106657196A (en) * | 2015-11-02 | 2017-05-10 | 华为技术有限公司 | Caching content elimination method and caching apparatus |
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- 2020-06-28 CN CN202010600840.7A patent/CN111818142A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312776A (en) * | 2013-05-08 | 2013-09-18 | 青岛海信传媒网络技术有限公司 | Method and device for caching contents of videos by edge node server |
| CN106657196A (en) * | 2015-11-02 | 2017-05-10 | 华为技术有限公司 | Caching content elimination method and caching apparatus |
| CN105577822A (en) * | 2016-01-27 | 2016-05-11 | 北京国电通网络技术有限公司 | Content distribution network (CDN) node based cache centralized management system |
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Application publication date: 20201023 |