一,安装java环境
添加java环境变量
vi /etc/profile
# add by tank
export JAVA_HOME=/data/soft/jdk/jdk1.7.0_71
export JRE_HOME=$JAVA_HOME/jre
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
二,修改文件句柄数
vi /etc/security/limits.conf
# add by tank
* soft nofile 65536
* hard nofile 65536
三,设置ssh无密码登录
参考:http://www.cnblogs.com/tankaixiong/p/4172942.html
任意主机之间可以无密码登录。
authorized_keys包含了所有主机的密钥,多主机这里可以通过nfs 挂载同步文件authorized_keys,一改全改
四,设置HSOT
vi /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.183.130 tank1
192.168.183.131 tank2
192.168.183.132 tank3
192.168.183.133 tank4
五,安装hadoop 环境
这里用的是hadoop2.20版本
目录结构:
aaarticlea/png;base64,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" alt="" />
设置环境变量:
export HADOOP_HOME=/data/hadoop/hadoop-2.2.0
export PATH=$PATH:$HADOOP_HOME/bin:$HADOOP_HOME/sbin
注意:$HADOOP/bin 和$HADOOP/sbin 目录下的文件都有可执行的权限
修改配置文件:
[tank@192 hadoop]$ vi core-site.xml
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!--
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. See accompanying LICENSE file.
-->
<!-- Put site-specific property overrides in this file. -->
<configuration>
<property>
<name>hadoop.tmp.dir</name>
<value>/usr/hadoop/tmp</value><description>(备注:请先在 /usr/hadoop 目录下建立 tmp 文件夹)A base for other temporary directories.</description>
</property>
<property>
<name>fs.default.name</name>
<value>hdfs://192.168.149.128:9000</value>
</property>
</configuration>
备注:如没有配置hadoop.tmp.dir参数,此时系统默认的临时目录为:/tmp/hadoo-hadoop。而这个目录在每次重启后都会被干掉,必须重新执行format才行,否则会出错。
[tank@192 hadoop]$ vi hdfs-site.xml
<configuration>
<property>
<name>dfs.replication</name>
<value>1</value>
</property>
<property>
<name>dfs.namenode.name.dir</name>
<value>file:/data/soft/hadoop/hadoop-2.2.0/hdfs/name</value>
<final>true</final>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>file:/data/soft/hadoop/hadoop-2.2.0/hdfs/data</value>
</property>
</configuration>
文件必须已经预先创建好并存在!
[tank@192 hadoop]$ vi yarn-site.xml
<configuration>
<property>
<name>mapred.job.tracker</name>
<value>192.168.149.128:9001</value>
</property>
</configuration>
注意上面一定要填Ip,不要填localhost,不然eclipse会连接不到!
设置主从关系$HADOOP_HOME/etc/hadoop/目录下:
[hadoop@tank1 hadoop]$ vi masters
192.168.183.130
//主机特有,从机可以不需要
[hadoop@tank1 hadoop]$ vi slaves
192.168.183.131
192.168.183.132
192.168.183.133
[hadoop@tank1 hadoop]$ hadoop namenode -format //第一次需要
启动:
sbin/start-all.sh
查看状态:主机
[tank@192 hadoop-2.2.0]$ jps
2751 ResourceManager
2628 SecondaryNameNode
2469 NameNode
查看状态:从机
[hadoop@tank2 sbin]$ jps
1745 NodeManager
1658 DataNode
总共有5个hadoop线程
访问地址查看hdfs 的运行状态:
http://192.168.149.128:50070/dfshealth.jsp
从机运行一段时间后NodeManager停止了,查看日志信息:
FATAL org.apache.hadoop.yarn.server.nodemanager.NodeManager: Error starting NodeManager
org.apache.hadoop.yarn.exceptions.YarnRuntimeException: java.net.ConnectException: Call From tank2/192.168.183.131 to 0.0.0.0:8031 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.serviceStart(NodeStatusUpdaterImpl.java:181)
解决方案:
yarn-site.xml 中添加配置
<property>
<name>yarn.resourcemanager.hostname</name>
<value>192.168.183.130</value>//主机IP
</property>
停止,重启
- Hadoop Eclipse开发环境搭建
This document is from my evernote, when I was still at baidu, I have a complete hadoop developme ...
- Hadoop项目开发环境搭建(Eclipse\MyEclipse + Maven)
写在前面的话 可详细参考,一定得去看 HBase 开发环境搭建(Eclipse\MyEclipse + Maven) Zookeeper项目开发环境搭建(Eclipse\MyEclipse + Mav ...
- (转)Hadoop Eclipse开发环境搭建
来源:http://www.cnblogs.com/justinzhang/p/4261851.html This document is from my evernote, when I was s ...
- 【原创干货】大数据Hadoop/Spark开发环境搭建
已经自学了好几个月的大数据了,第一个月里自己通过看书.看视频.网上查资料也把hadoop(1.x.2.x).spark单机.伪分布式.集群都部署了一遍,但经历短暂的兴奋后,还是觉得不得门而入. 只有深 ...
- Hadoop基本开发环境搭建(原创,已实践)
软件包: hadoop-2.7.2.tar.gz hadoop-eclipse-plugin-2.7.2.jar hadoop-common-2.7.1-bin.zip eclipse jdk1.8 ...
- 【hadoop之翊】——windows 7使用eclipse下hadoop应用开发环境搭建
由于一些缘故,这节内容到如今才写.事实上弄hadoop有一段时间了,能够编写一些小程序了,今天来还是来说说环境的搭建.... 说明一下:这篇文章的步骤是接上一篇的hadoop文章的:http://bl ...
- ubuntu14.04 Hadoop单机开发环境搭建MapReduce项目
Hadoop官网:http://hadoop.apache.org/ 目前最新的版本是Hadoop 3.0.0-alpha1前提:java 1.6 版本以上 首先从官网下载压缩包(hadoop-3.0 ...
- hadoop分布式的环境搭建
版本: 使用hadoop1.1.2 JDK为java7 1.下载hadoop 2.配置hadoop文件 3测试 1.下载hadoop: 1.1 在https://archive.apache.o ...
- hadoop本地开发环境搭建
1:下载hadoop2.7.3并解压 2:配置hadoop2.7.3环境变量 HADOOP_HOME %HADOOP_HOME%\bin 3:下载hadoop-eclipse-plugin插件 网址: ...
- 在一般类中通过XmlWebApplicationContext对象获取应用部署上下文Context
XmlWebApplicationContext xwac = (XmlWebApplicationContext) ContextLoader.getCurrentWebApplicationCon ...
- java中值类型与引用类型的关系
值类型:就是java的基本类型.byte.short.int.long.float.char.double.boolean 引用类型:类(class).接口(Interface).数组(Array) ...
- BZOJ3638[Codeforces280D]k-Maximum Subsequence Sum&BZOJ3272Zgg吃东西&BZOJ3267KC采花——模拟费用流+线段树
题目描述 给一列数,要求支持操作: 1.修改某个数的值 2.读入l,r,k,询问在[l,r]内选不相交的不超过k个子段,最大的和是多少. 输入 The first line contains inte ...
- The Cow Lexicon POJ - 3267 dp
题意 给出一个母串 和一个字典 问母串最少删去几个字母 删去后的母串是由字典里面的单词拼起来的 思路:dp[i]表示从i到母串结尾最少需要删除多少个字母 初始化dp[length]=0 ...
- Gulp 新手使用
Gulp 注意:gulp依赖于nodejs,在安装前要确保已经安装node环境,如为安装查看<windows系统下nodejs安装及环境配置>安装node环境. 1.全局安装 在命令行执行 ...
- Windows server install mrtg
由于MRTG使用Perl语言编写 , 安装ActivePerl http://downloads.activestate.com/ActivePerl/releases/5.20.1.2000/Act ...
- Codeforces Round #555 (Div. 3)[1157]题解
不得不说这场div3是真的出的好,算得上是从我开始打开始最有趣的一场div3.因为自己的号全都蓝了,然后就把不经常打比赛的dreagonm的号借来打这场,然后...比赛结束rank11(帮dreago ...
- a span做成按钮样式不选中文字
a,span做成按钮样式时,文字会被选中.加以下CSS可以让其不选中.测试三大浏览器都可以 .button { display: inline-block; -moz-user-select: non ...
- python中无法被转化为set的list[list组成的list]
arr = [[a],[b]] set(arr) output: Traceback (most recent call last): File "<stdin>", ...
- 【原】本地仓库推送到远程仓库:fatal: refusing to merge unrelated histories
最近,在操作git的时候,遇到各种问题,下面总结一下. 最开始,我不是先把远程仓库拉取到本地 ,而是直接在本地先创建一个仓库,再git remote add添加远程仓库. 当然,gitee官方还是有操 ...