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基于zookeeper的虛擬機(jī)動(dòng)態(tài)變更機(jī)制的設(shè)計(jì)與實(shí)現(xiàn)

發(fā)布時(shí)間:2018-01-08 21:21

  本文關(guān)鍵詞:基于zookeeper的虛擬機(jī)動(dòng)態(tài)變更機(jī)制的設(shè)計(jì)與實(shí)現(xiàn) 出處:《華南理工大學(xué)》2013年碩士論文 論文類型:學(xué)位論文


  更多相關(guān)文章: Zookeeper Redis集群 Nginx 虛擬機(jī)監(jiān)控


【摘要】:近年云計(jì)算技術(shù)高速發(fā)展,其三大商業(yè)模式得到了廣泛的應(yīng)用。放眼未來(lái)云計(jì)算的普及不僅能為人們的生活帶來(lái)越來(lái)越多的便利,還會(huì)為社會(huì)節(jié)約很多不必要的計(jì)算機(jī)基礎(chǔ)設(shè)施資源的開(kāi)銷。 本文研究了云計(jì)算發(fā)展現(xiàn)狀,著重研究基礎(chǔ)設(shè)施即服務(wù)模式(IaaS)下虛擬機(jī)動(dòng)態(tài)變更的情況。設(shè)計(jì)了一種監(jiān)控分布式環(huán)境下虛擬機(jī)動(dòng)態(tài)變更的機(jī)制,并基于Zookeeper、Redis等開(kāi)源軟件實(shí)現(xiàn)了此機(jī)制。 本文使用了高性能NoSQL數(shù)據(jù)庫(kù)Redis作為在分布式環(huán)境下全局?jǐn)?shù)據(jù)存儲(chǔ)服務(wù)器。Redis承擔(dān)了虛擬機(jī)元數(shù)據(jù)存儲(chǔ)和Zookeeper服務(wù)配置存儲(chǔ)的兩個(gè)大任務(wù)。為了保持虛擬機(jī)元數(shù)據(jù)存儲(chǔ)的高可用性,本文設(shè)計(jì)了Redis集群方案。利用binlog機(jī)制,把同一份元數(shù)據(jù)存儲(chǔ)到Redis集群的所有節(jié)點(diǎn)中。在讀取元數(shù)據(jù)的時(shí)候,分配集群中的一臺(tái)Redis處理讀請(qǐng)求。使用Redis集群方案能夠保證元數(shù)據(jù)的一致性和高可用性。 Zookeeper擁有完整的節(jié)點(diǎn)監(jiān)控機(jī)制和事件觸發(fā)機(jī)制,能在分布式環(huán)境下迅速發(fā)現(xiàn)節(jié)點(diǎn)和感知節(jié)點(diǎn)變更。本文利用Zookeeper的分布式協(xié)調(diào)特性,開(kāi)發(fā)了運(yùn)行在虛擬機(jī)之上的監(jiān)控客戶端程序及運(yùn)行在Nginx服務(wù)器上的監(jiān)控服務(wù)端程序。運(yùn)用本文設(shè)計(jì)的虛擬機(jī)節(jié)點(diǎn)動(dòng)態(tài)變更機(jī)制,,實(shí)現(xiàn)了虛擬機(jī)新增或刪除的監(jiān)控,并及時(shí)修改Nginx的請(qǐng)求轉(zhuǎn)發(fā)規(guī)則。從而實(shí)現(xiàn)Web服務(wù)虛擬機(jī)的變更對(duì)外部用戶透明的效果。
[Abstract]:In recent years, with the rapid development of cloud computing technology, its three business models have been widely used. Looking at the future of cloud computing, the popularity of cloud computing will not only bring more and more convenience for people's lives. It also saves society a lot of unnecessary computer infrastructure resources. This paper studies the current situation of cloud computing, focuses on the dynamic changes of virtual machines under the infrastructure, namely service mode, and designs a mechanism to monitor the dynamic changes of virtual machines in distributed environment. This mechanism is implemented on the basis of open source software such as Zookeeperi Redis. In this paper, NoSQL database Redis is used as the global data storage server. Redis undertakes virtual machine metadata storage and Zookeeper service configuration in distributed environment. To maintain the high availability of the virtual machine metadata store. This paper designs a Redis cluster scheme. Using the binlog mechanism, the same metadata is stored in all nodes of the Redis cluster. Allocate a Redis in the cluster to handle read requests. Using the Redis cluster scheme ensures consistency and high availability of metadata. Zookeeper has a complete node monitoring mechanism and event trigger mechanism. In the distributed environment, nodes and aware of node changes can be quickly found. This paper takes advantage of the distributed coordination characteristics of Zookeeper. The monitoring client program running on the virtual machine and the monitoring server program running on the Nginx server are developed. The dynamic change mechanism of the virtual machine node is used in this paper. The new or deleted virtual machine is monitored, and the request forwarding rule of Nginx is modified in time, so that the change of Web service virtual machine is transparent to external users.
【學(xué)位授予單位】:華南理工大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2013
【分類號(hào)】:TP302

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