准备两部虚拟机，master,slave(我用的主节点master是Desktop模式的，子节点slave为了节省空间，装的Minimal模式的,但不影响)JDKHadoopmaster上安装JDK下载java包jdk-8u201-linux-x64.tar.gz解压tar -zxvf jdk-8u201-linux-x64.tar.gz先创建文件夹javamkdir ...

安装前提JAVA和HADOOP安装成功!安装zookeeper在apache官网下载zookeeper-3.4.10.tar.gz下载好后解压文件并移动到路径/usr/local/zookeeper/下。$ tar -zxvf zookeeper-3.4.10.tar.gz$ sudo mkdir /usr/local/zookeeper$ mv -v zookeeper-3.4....

struct类型排序#include <iostream>#include <algorithm>#include<vector>using namespace std;struct Date{int a;int b;};bool com(const Date x,const Date y){if(x.a==y.a

Hadoop集群搭建出现以下错误:19/02/06 17:46:22 ERROR conf.Configuration: error parsing conf mapred-site.xmlcom.ctc.wstx.exc.WstxParsingException: Unexpected close tag </configuration>; expected &amp