这篇文章主要介绍“MacOS下Hadoop3的安装步骤”,在日常操作中,相信很多人在MacOS下Hadoop3的安装步骤问题上存在疑惑,小编查阅了各式资料,整理出简单好用的操作方法,希望对大家解答”MacOS下Hadoop3的安装步骤”的疑惑有所帮助!接下来,请跟着小编一起来学习吧!
这篇文章主要介绍“MacOS下Hadoop3的安装步骤”,在日常操作中,相信很多人在MacOS下Hadoop3的安装步骤问题上存在疑惑,小编查阅了各式资料,整理出简单好用的操作方法,希望对大家解答”MacOS下Hadoop3的安装步骤”的疑惑有所帮助!接下来,请跟着小编一起来学习吧!
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1 检查JDK
Matching Java Virtual Machines (1):
1.8.0_201, x86_64:"Java SE 8"/Library/Java/JavaVirtualMachines/jdk1.8.0_201.jdk/Contents/Home
/Library/Java/JavaVirtualMachines/jdk1.8.0_201.jdk/Contents/Home
2 安装Brew
nancylulululudeMacBook-Air:~ nancy$ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
3 密钥
ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
nancylulululudeMacBook-Air:.ssh nancy$ ls
authorized_keysid_rsaid_rsa.pubknown_hosts
nancylulululudeMacBook-Air:.ssh nancy$ chmod 0600 ~/.ssh/authorized_keys
4 brew安装hadoop
brew install hadoop
5 hadoop配置
路径:
/usr/local/Cellar/hadoop/3.1.1/libexec/etc/hadoop
core-site.xml
hdfs-site.xml
yarn-site.xml
mapred-site.xml
slaves
localhost
6 创建文件夹
nancylulululudeMacBook-Air:hadoop nancy$ mkdir /usr/local/Cellar/hadoop/tmp
nancylulululudeMacBook-Air:hadoop nancy$ mkdir -p /usr/local/Cellar/hadoop/tmp/dfs/name
nancylulululudeMacBook-Air:hadoop nancy$ mkdir /usr/local/Cellar/hadoop/tmp/dfs/data
7 hdfs格式化
hdfs namenode -format
格式化成功
2019-03-22 16:48:24,632 INFO common.Storage: Storage directory /usr/local/Cellar/hadoop/tmp/dfs/name has been successfully formatted.
Here comes the last step~
startup!
nancylulululudeMacBook-Air:3.1.1 nancy$ cd /usr/local/Cellar/hadoop/3.1.1/sbin
nancylulululudeMacBook-Air:sbin nancy$ ./start-all.sh
WARNING: Attempting to start all Apache Hadoop daemons as nancy in 10 seconds.
WARNING: This is not a recommended production deployment configuration.
WARNING: Use CTRL-C to abort.
Starting namenodes on [localhost]
Starting datanodes
Starting secondary namenodes [nancylulululudeMacBook-Air.local]
nancylulululudeMacBook-Air.local: Warning: Permanently added 'nancylulululudemacbook-air.local,192.168.1.142' (ECDSA) to the list of known hosts.
2019-03-22 17:24:04,021 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Starting resourcemanager
Starting nodemanagers
nancylulululudeMacBook-Air:sbin nancy$ jps
3266 NodeManager
3171 ResourceManager
2980 SecondaryNameNode
2748 NameNode
2847 DataNode
3327 Jps
登陆地址 http://localhost:9870/
http://localhost:8088/