由于冗余是ha集群的关键特性，因而在这个例子中基本的组成部分包括节点管理、分布式文件系统、卷管理和监控。
With redundancy being the key feature of an ha cluster, the components that are essential in this example are node management, a distributed file system, volume management, and monitoring.
两个这样的结合了开发人员从原始分布式文件系统架构中学到的经验的系统就是：Coda和瑞典开放源码志愿者的成果Arla。
Two such systems incorporate lessons developers learned from the original distributed file system architecture: Coda and the Swedish open source volunteer effort, Arla.
其中两个核心组件是用于存储数据的HadoopDistributedFile System (Hadoop分布式文件系统)和用于写入并行处理任务的HadoopMapReduce。
The two core components are the Hadoop Distributed File System for storing data and Hadoop MapReduce for writing parallel-processing jobs.
Hadoop是一个开源的分布式计算平台，它主要由MapReduce的算法执行和一个分布式的文件系统等两部分组成。
Hadoop is an open source distributed computing platform that includes implementations of MapReduce and a distributed file system.
目前的分布式文件系统已经开展了大量的研究工作，提出了许多的技术和方法。
A lot of research works are carried out for the distributed file system, an put forward many techniques and method.
机群文件系统DCFS2采用分布式日志技术和改进的两阶段提交协议解决了分布式元数据处理下元数据的一致性问题。
Moreover, DCFS2 solved the metadata consistency problem for distributed metadata processing through a distributed logging technology and a simplified two-phase commit protocol.
基于插件式框架的CDN仿真系统主要由通信插件、主插件、节点组插件和分布式文件系统插件构成。
The CDN simulating system based on plug-in framework consists of communication plug-in, main plug-in, node group plug-in and distributed file system plug-in.
基于插件式框架的CDN仿真系统主要由通信插件、主插件、节点组插件和分布式文件系统插件构成。
The CDN simulating system based on plug-in framework consists of communication plug-in, main plug-in, node group plug-in and distributed file system plug-in.
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