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…
如何設置Hadoop的單節點和多節點?
我們將描述Hadoop的安裝在單節點和多節點. Hadoop的環境設置和配置進行詳細地描述. 首先,你需要下載以下軟件 (轉). Java JDK RPM Apache Hadoop 0.20.204.0 RPM A) Single…
什麼是Apache Sqoop,以及如何使用Hadoop分佈式文件系統導入/導出數據?
Apache的Sqoop是一個工具,用於將數據從/到Hadoop分佈式文件系統. Hadoop架構可以處理大數據,並將其存儲在HDFS. But if we want to use that data then we need to use some tool…
什麼是Hadoop流?
歲月 : Hadoop的數據流是一個功能強大的工具,它與Hadoop分佈。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…
什麼是Hadoop中的Map / Reduce?
歲月 : 處理大量的數據 (多TB數據集) 在現實生活中projects.As數據的大小是一個重要的關注與日俱增, 應用程序發現很難在一個可靠的處理,secured and fault-tolerant way.…