基于ZooKeeper的分布式同步框架设计与实现

发布时间：2018-05-14 17:39

本文选题：ZooKeeper + 分布式同步　；参考：《浙江大学》2012年硕士论文

【摘要】：分布式同步问题是分布式系统系统设计与实现中非常重要的问题。分布式同步服务ZooKeeper提供了强大的功能,可以用来解决各种分布式同步问题。但是ZooKeeper只提供了简单的API并没有提供任何同步原语,在易用性上存在一些不足。通过对ZooKeeper和Java多线程同步框架的深入分析,本文提出了使用ZooKeeper设计并实现类似于Java多线程同步框架的分布式同步框架的想法。针对ZooKeeper Java客户端在会话管理,重试机制方面的不足,本文设计并实现了增强的ZooKeeper客户端KeeperClient。KeeperClient提供了自动会话管理,会话状态通知,可扩展重试机制功能等功能。以Java多线程同步框架API为蓝本,结合分布式同步特别的需求以及ZooKeeper提供的功能,本文设计了分布式同步框架API,它提供了分布式互斥锁,分布式读写锁,分布式barrier,分布式原子变量,分布式选举等分布式同步原语。使用ZooKeeper实现了分布式同步框架里的所有的分布式同步原语。本文设计并实现的分布式同步框架,很好的对ZooKeeper进行了封装,解决了ZooKeeper在易用性上的不足。本文最后给出了一个分布式进程使用分布式互斥锁和分布式原子变量获取分布式序列1D的应用实例。通过这个例子可以证明本文设计的分布式同步框架在易用性上的优势。
[Abstract]:Distributed synchronization is a very important problem in the design and implementation of distributed systems. Distributed synchronization service (ZooKeeper) provides powerful functions to solve all kinds of distributed synchronization problems. However, ZooKeeper provides only a simple API and does not provide any synchronization primitives, which has some shortcomings in ease of use. Through the deep analysis of ZooKeeper and Java multi-thread synchronization framework, this paper puts forward the idea of using ZooKeeper to design and implement the distributed synchronization framework similar to Java multi-thread synchronization framework. Aiming at the deficiency of ZooKeeper Java client in session management and retry mechanism, this paper designs and implements the functions of enhanced ZooKeeper client KeeperClient.KeeperClient, such as automatic session management, session state notification, extensible retry mechanism and so on. Based on the Java multi-thread synchronization framework API, combined with the special requirements of distributed synchronization and the functions provided by ZooKeeper, this paper designs a distributed synchronization framework named API, which provides distributed mutex, distributed read and write lock. Distributed Barrier, distributed atomic variables, distributed election and other distributed synchronization primitives. ZooKeeper is used to realize all the distributed synchronization primitives in the distributed synchronization framework. The distributed synchronization framework designed and implemented in this paper encapsulates ZooKeeper well and solves the deficiency of ZooKeeper in ease of use. Finally, an application example of distributed processes using distributed mutex and distributed atomic variables to obtain distributed sequence 1D is given. Through this example, we can prove the advantages of the distributed synchronization framework designed in this paper in ease of use.
【学位授予单位】：浙江大学
【学位级别】：硕士
【学位授予年份】：2012
【分类号】：TP338.8

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