1. What's HDFS? Hadoop Distributed File System is a block-structured file system where each file is divided into blocks of a pre-determined size. These blocks are stored across a cluster of one or several machines. Apache Hadoop HDFS Architecture fol…
目前是刚刚初学完zookeeper,这篇文章主要是简单的对一些基本的概念进行梳理强化. zookeeper基础概念的理解 有时候计算机领域很多名词都是从一长串英文提取首字母缩写而来,但很不幸zookeeper不是.那么,zookeeper到底是用来干什么的?我这里先摆一段官网的介绍: ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed…