What do you mean by Map-Reduce programming? MapReduce is a programming model designed for processing large volumes of data in parallel by dividing the work into a set of independent tasks. The MapReduce programming model is inspired by functional languages…
如何设置Hadoop的单节点和多节点?
我们将描述Hadoop的安装在单节点和多节点. The Hadoop environment setup and configuration will be described in details. 首先,你需要下载以下软件 (转). Apache Hadoop的Java的JDK RPM 0.20.204.0 Â转) Single…
什么是Apache Sqoop,以及如何使用Hadoop分布式文件系统导入/导出数据?
Apache的Sqoop是一个工具,用于将数据从/到Hadoop分布式文件系统. Hadoop架构可以处理大数据,并将其存储在HDFS. But if we want to use that data then we need to use some tool…
什么是Hadoop流?
岁月 : Hadoop的数据流是一个功能强大的工具,它与Hadoop分布。Hadoop框架的基本概念是分裂的工作,process it in parallel and then join it back to get the end result.So there are two main…
什么是Hadoop中的Map / Reduce?
岁月 : 处理大量的数据 (多TB数据集) 在现实生活中projects.As数据的大小是一个重要的关注与日俱增, 应用程序发现很难在一个可靠的处理,secured and fault-tolerant way.…