Hadoop 1

2020-10-20  本文已影响0人  __method__

什么是Hadoop

Apache™ Hadoop® 是一个开源的, 可靠的(reliable), 可扩展的(scalable)分布式计算框架

Hadoop能做什么?

Hadoop核心组件

Hadoop是所有搜索引擎的共性问题的廉价解决方案

Hadoop Distributed File System (HDFS™): A distributed file system that provides high-throughput access to application data.(分布式文件系统)

下面面这张图是数据块多份复制存储的示意

Hadoop MapReduce: A YARN-based system for parallel processing of large data sets.

Hadoop YARN: A framework for job scheduling and cluster resource management.(资源调度系统)

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