介绍
本篇内容主要讲解“Hadoop的安装过程详解”,感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷,实用性强。下面就让小编来带大家学习“Hadoop的安装过程详解”吧!
安装JDK
- <李>
解压jdk压缩包
李>- <李>
配置jdk环境变量
李>hadoop:根:/usr/java:祝辞vi /etc/profile #,/etc/profile #, System wide environment 以及startup 项目,for login setup #, Functions 以及aliases go 拷贝/etc/bashrc #, # 39;进行实质性s NOT a good idea 用change 却;能够file unless 你知道what 你#,断开连接,做只抽# 39;s much better 用create a custom.sh shell script #,拷贝/etc/profile.d/,用make custom changes 用your 环境,as 却;能够#,will prevent 从而need for merging 拷贝future 更新只# add path export JAVA_HOME=/usr/java/jdk1.7.0_80 export 路径=$ JAVA_HOME/bin: PATH 美元;# show PATH hadoop:根:/usr/java:祝辞source /etc/profile hadoop:根:/usr/java:祝辞java - version java version “1.7.0_80", Java (TM), SE Runtime Environment (build 1.7.0_80-b15) Java 热点(TM), 64 - bit Server VM (build 24.80 b11, mixed 模式) 1 2 3. 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20. 21 22 23 24 25 26
安装Hadoop
- <李>
解压Hadoop
hadoop: hadoop:/home/hadoop/应用程序:在焦油-zxvf/home/hadoop/software/hadoop-2.6.0-cdh6.7.0.tar。李gz - c/home/hadoop/app/
配置环境
李>hadoop: hadoop:/home/hadoop:祝辞vi .bash_profile #, .bash_profile #, Get 从而aliases 以及functions if [, -f ~/.bashrc ];, then 只~/.bashrc fi #, User specific environment 以及startup programs export HADOOP_HOME=/home/hadoop/app/hadoop-2.6.0-cdh6.7.0 export 路径=$ HADOOP_HOME/bin: $ HADOOP_HOME/sbin: PATH 美元;hadoop: hadoop:/home/hadoop:祝辞source .bash_profile hadoop: hadoop:/home/hadoop:祝辞echo HADOOP_HOME 美元/home/hadoop/app/hadoop-2.6.0-cdh6.7.0 1 2 3. 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
格式化Hadoop
<>之前,hdfs namenode -format 1 2& lt; h3 id=捌舳痟adoop"空白:正常;background - color: # FFFFFF;“比; 启动Hadoop
<>以前Hadoop: Hadoop:/home/Hadoop/app/hadoop-2.6.0-cdh6.7.0/etc/Hadoop:祝辞start-all.sh 却,能够script is 弃用只Instead use start-dfs.sh 以及start-yarn.sh 18/01/02 02:49:33 WARN util.NativeCodeLoader:, Unable 用load native-hadoop library for your 平台…,using builtin-java classes where 适用 Starting namenodes 提醒(hadoop) hadoop: starting namenode, logging 用/home/hadoop/app/hadoop-2.6.0-cdh6.7.0/日志/hadoop-hadoop-namenode-hadoop.out hadoop:, starting datanode,, logging 用/home/hadoop/app/hadoop-2.6.0-cdh6.7.0/日志/hadoop-hadoop-datanode-hadoop.out starting secondary namenodes [0.0.0.0], 0.0.0.0:, starting secondarynamenode,, logging 用/home/hadoop/app/hadoop-2.6.0-cdh6.7.0/日志/hadoop-hadoop-secondarynamenode-hadoop.out 18/01/02 02:50:15 WARN util.NativeCodeLoader:, Unable 用load native-hadoop library for your 平台……,using builtin-java classes where 适用 starting yarn 守护进程 null