面向可靠性的微服務(wù)系統(tǒng)自適應(yīng)調(diào)整技術(shù)研究
[Abstract]:The micro-service architecture is the most popular software architecture, and when the developer obtains the agile development from the micro-service architecture, the reliability becomes the biggest pain point of the system operation. This paper focuses on two important problems in the self-adaptive adjustment of the reliability-oriented micro-service system: the reliability analysis of the micro-service system and the combination of the service flow. Based on the research of the reliability of the software system, this paper presents a framework of the reliability analysis task division of the software system. Based on this framework, four kinds of common reliability analysis techniques and corresponding methods are introduced. The research progress of these techniques and methods to analyze the reliability of the software system is investigated, and the correlation between each reliability analysis task and the corresponding technology and method is found. On this basis, The reliability analysis method based on the probability model test and the application scene of this kind of analysis method are focused on, and the advantages of the probability model test method in analyzing the reliability of the software system are discussed. A general software reliability analysis platform based on probability model test is given. The micro-service system is a concept corresponding to the monomer architecture. The traditional multi-instance deployment mechanism of the single-body structure can effectively relieve the pressure of the system when the large-flow and high-concurrency user is in flood-like access, and also causes great resource waste. The micro-service architecture can only relieve the system pressure but also make full use of the advantage of system resources as the first choice for the system architecture. The reliability analysis method of the traditional software system is based on the multi-instance deployment of the monomer, and the reliability of the micro-service system under the multi-instance deployment mode of the micro-service can not be accurately analyzed by using the traditional reliability analysis method. In order to solve this problem, this paper presents a method for analyzing the reliability of the micro-service system under the multi-instance deployment model of the micro-service differentiation, and the effectiveness of this method is verified by the experiment. With the expansion of the business scale of the micro-service system, the single service flow cannot meet the expansion of the service of the micro-service system, and the diversification of the service flow has become the inevitable trend of the development of the micro-service system. However, when a user is using a micro-service system, the entire service provided by the micro-service system is rarely fully used, and only part of the service of which it is of interest is used, in which case, The reliability analysis method of the traditional single business process can not accurately reflect the reliability of the micro-service system of the multi-service process, and meanwhile, the service interleaving of the diversified business process increases the difficulty of the reliability analysis of the micro-service system. In this paper, a multi-community micro-service system reliability analysis method is proposed, and the effectiveness of this method is verified. Service process reengineering is one of the most direct and effective ways to realize the self-adaptive adjustment of the micro-service system. the solution of the traditional service flow combination problem is based on the same granularity of the service and the service model, in fact, there is a large size service in the internet, that is, a service can complete a plurality of demand protocols described by a plurality of service models, The efficiency of the combined service flow is improved by reducing the number of candidate service sets participating in the combined service flow by reducing the number of candidate service sets participating in the combined service flow, as compared to a service flow that uses the same service combination reliability as the service model granularity. In this paper, the problem of large-size service flow combination is solved by solving the two sub-problems of the optimal large-size service flow modeling and the optimal combination reliability, and the effectiveness of this method is verified by the experiment. Finally, with reference to the autonomous element model proposed by IBM, this paper presents a self-adaptive adjustment framework for the reliability-oriented micro-service system, and the prototype platform of the framework is realized by using the research results of this paper and the distributed cluster technology and the big data technology. in a cloud computing environment, the adaptive adjustment platform utilizes the clustering technology and the large data technology and the service flow combination method for the large-size-oriented service flow based on the reliability analysis of the micro-service system with the multi-instance deployment and the multi-business process, and the self-adaptive adjustment of the reliability-oriented micro-service system is realized.
【學(xué)位授予單位】:上海大學(xué)
【學(xué)位級(jí)別】:博士
【學(xué)位授予年份】:2016
【分類(lèi)號(hào)】:TP311.53
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