高并發(fā)環(huán)境下異構(gòu)數(shù)據(jù)源數(shù)據(jù)服務(wù)的研究與實(shí)現(xiàn)
[Abstract]:With the development of science and technology and the progress of society, more and more enterprises have opened Internet business, which leads to the need for these enterprises to have their own data storage management system. Therefore, these enterprises store a large number of data structures, data formats are different from their own business requirements related to heterogeneous data sources. Big data's time has come, however, the heterogeneity of these massive data has become a big problem in taking advantage of the big data. To find a way to block the heterogeneity of these data sources is big data's premise. With the rapid increase of the number of Internet users, the number of visitors to the large number of users put forward a very high demand for the performance of the enterprise server. No matter how high the configuration of a single server is, it can not always meet the increasing number of users, so the heterogeneous data service based on message bus is a good way to solve the above two problems. In this paper, an integration method of heterogeneous data sources is proposed to solve the problem of heterogeneous data sources. This paper also proposes a load balancing algorithm to help optimize the task allocation of the server cluster so as to optimize the performance of the server cluster and enable the enterprise to deal with the high concurrent access of large users effectively. In this paper, a method of heterogeneous data parsing based on middleware is proposed. Users query the uniform data types provided by middleware, and the middleware decomposes the query statements into query statements for different data sources. And through the wrapper to obtain data. The integration of uniform data types is the core of the middleware method, so this paper will elaborate the mapping method of heterogeneous data types to intermediate types, intermediate types to unified data types. In this paper, a load balancing technique based on message bus is proposed to deal with the problem of uneven distribution of tasks in the server cluster, and all servers in the server cluster are connected to the message bus. Each server can obtain the load of other servers through the message bus to dynamically distribute the tasks. Thus, the problem of high concurrency is solved well. At the end of this paper, the heterogeneous data source is integrated into simulation, a relational data source and a XML data source are integrated, and the message bus is realized by using ActiveMQ message middleware. The four servers are connected to the message bus to realize the load balance simulation of the cluster server.
【學(xué)位授予單位】:北京郵電大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2016
【分類號(hào)】:TP311.13
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