Hadoop 编译

1.官网：

http://hadoop.apache.org/

2.Hadoop的狭义和褒义认识：

狭义：软件(HDFS、MapReduce、Yarn)

褒义：以Hadoop为主的生态圈

3.Hadoop版本

Hadoop1.x：

HDFS：分布式文件系统，存储

MapReduce：分布式计算+资源调度和作业调度

Hadoop2.x

HDFS：存储

MapReduce：计算

Yarn：YetAnother Resource Negotiate 资源调度和作业调度

4.Maven 部署

官网：
https://mvnrepository.com/
Maven：
理解为是一个仓库，用来管理jar包

如果一个源代码工程里面有pom.xml，这个就是Maven工程需要用Maven来编译
如：Maven根据pom.xml来下载jar包管理的
   cat /opt/software/hadoop-2.8.1-src
   more pom.xml
步骤：
   mkdir -p /opt/sowfware
   rz 电脑上以下软件

.m2.tar.gz

apache-maven-3.3.9-bin.zip

findbugs-1.3.9.zip

hadoop-2.8.1-src.tar.gz

hadoop-2.8.1.tar.gz

jdk-8u45-linux-x64.gz

protobuf-2.5.0.tar.gz

解压Maven压缩包：

unzip apache-maven-3.3.9-bin.zip

配置环境变量：

vi /etc/profile

export MAVEN_HOME=/opt/software/apache-maven-3.3.9

export MAVEN_OPTS="-Xms256m -Xmx512m"

export PATH=$MAVEN_HOME/bin:$JAVA_HOME/bin:$PATH

生效：

source /etc/profile

查看Maven是否安装：

    mvn -version
我们CD进入家目录,把.m2.tar.gz移动到家目录里解压
    cd /opt/software
    mv .m2.tar.gz ~
    tar zxvf .m2.tar.gz

5.Hadoop编译环境准备

5.1解压hadoop-2.8.1-src.tar.gz

5.2如果一个源代码工程里有pom.xml,该工程就是Maven工程，需要用Maven来编译

5.3查看building.txt编译需求

Hadoop 编译

依照需求，依次配置JDK1.8,Maven,findbugs,protocal,CMake等，并配置好环境变量。

1）JAVA安装

rz jdk-8u45-linux-x64.gz
mkdir -p /usr/java
mv jdk-8u45-linux-x64.gz /usr/java
cd /usr/java
解压jdk-8u45-linux-x64.gz压缩包

#修改用户和用户组为root
chown -R root:root jdk1.8.0_45

#编辑环境变量
vi /etc/profile
export JAVA_HOME=/usr/java/jdk1.8.0_45
export PATH=$JAVA_HOME/bin:$PATH

#生效环境变量

source /etc/profile

2）Maven安装
mkdir -p /opt/sourcecode /opt/software

cd /opt/software/
rz apache-maven-3.3.9-bin.zip
#解压apache-maven-3.3.9-bin.zip压缩包

unzip apache-maven-3.3.9-bin.zip

#编辑环境变量
vi /etc/profile
export MAVEN_HOME=/opt/software/apache-maven-3.3.9
export MAVEN_OPTS="-Xms256m -Xmx512m"
export PATH=$MAVEN_HOME/bin:$JAVA_HOME/bin:$PATH

#生效环境变量

source /etc/profile

3）protobuf安装
rz protobuf-2.5.0.tar.gz
#解压protobuf-2.5.0.tar.gz压缩包

tar -xzvf protobuf-2.5.0.tar.gz
#进入protobuf-2.5.0文件夹
software]# cd protobuf-2.5.0
protobuf-2.5.0]# yum install -y gcc gcc-c++ make cmake #已经安装cmake
protobuf-2.5.0]# ./configure --prefix=/usr/local/protobuf
protobuf-2.5.0]# make && make install

#编辑环境变量

java]# vi /etc/profile
export PROTOC_HOME=/usr/local/protobuf
export PATH=$PROTOC_HOME/bin:$FINDBUGS_HOME/bin:$MAVEN_HOME/bin:$JAVA_HOME/bin:$PATH

#生效环境变量
protobuf-2.5.0]# source /etc/profile

4）Findbugs安装
rz findbugs-1.3.9.zip

#解压findbugs-1.3.9.zip压缩包

software]# unzip findbugs-1.3.9.zip

software]# vi /etc/profile
export FINDBUGS_HOME=/opt/software/findbugs-1.3.9
export PATH=$FINDBUGS_HOME/bin:$MAVEN_HOME/bin:$JAVA_HOME/bin:$PATH
software]# source /etc/profile

5）其他依赖
yum install -y openssl openssl-devel svn ncurses-devel zlib-devel libtool
yum install -y snappy snappy-devel bzip2 bzip2-devel lzo lzo-devel lzop autoconf automake

6.Hadoop编译

#开始编译

hadoop-2.8.1-src]# mvn clean package -Pdist,native -DskipTests -Dtar

[INFO] --- maven-site-plugin:3.5:attach-descriptor (attach-descriptor) @ hadoop-dist ---

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Apache Hadoop Main ................................. SUCCESS [ 7.770 s]
[INFO] Apache Hadoop Build Tools .......................... SUCCESS [ 4.990 s]
[INFO] Apache Hadoop Project POM .......................... SUCCESS [ 4.920 s]
[INFO] Apache Hadoop Annotations .......................... SUCCESS [ 12.936 s]
[INFO] Apache Hadoop Assemblies ........................... SUCCESS [ 0.809 s]
[INFO] Apache Hadoop Project Dist POM ..................... SUCCESS [ 5.013 s]
[INFO] Apache Hadoop Maven Plugins ........................ SUCCESS [ 17.617 s]
[INFO] Apache Hadoop MiniKDC .............................. SUCCESS [ 23.551 s]
[INFO] Apache Hadoop Auth ................................. SUCCESS [ 26.352 s]
[INFO] Apache Hadoop Auth Examples ........................ SUCCESS [ 10.305 s]
[INFO] Apache Hadoop Common ............................... SUCCESS [05:58 min]
[INFO] Apache Hadoop NFS .................................. SUCCESS [ 19.105 s]
[INFO] Apache Hadoop KMS .................................. SUCCESS [ 27.479 s]
[INFO] Apache Hadoop Common Project ....................... SUCCESS [ 0.174 s]
[INFO] Apache Hadoop HDFS Client .......................... SUCCESS [01:32 min]
[INFO] Apache Hadoop HDFS ................................. SUCCESS [06:42 min]
[INFO] Apache Hadoop HDFS Native Client ................... SUCCESS [ 20.370 s]
[INFO] Apache Hadoop HttpFS ............................... SUCCESS [ 40.720 s]
[INFO] Apache Hadoop HDFS BookKeeper Journal .............. SUCCESS [ 21.298 s]
[INFO] Apache Hadoop HDFS-NFS ............................. SUCCESS [ 11.818 s]
[INFO] Apache Hadoop HDFS Project ......................... SUCCESS [ 0.148 s]
[INFO] Apache Hadoop YARN ................................. SUCCESS [ 0.192 s]
[INFO] Apache Hadoop YARN API ............................. SUCCESS [ 41.517 s]
[INFO] Apache Hadoop YARN Common .......................... SUCCESS [01:19 min]
[INFO] Apache Hadoop YARN Server .......................... SUCCESS [ 0.192 s]
[INFO] Apache Hadoop YARN Server Common ................... SUCCESS [ 19.421 s]
[INFO] Apache Hadoop YARN NodeManager ..................... SUCCESS [ 42.398 s]
[INFO] Apache Hadoop YARN Web Proxy ....................... SUCCESS [ 8.925 s]
[INFO] Apache Hadoop YARN ApplicationHistoryService ....... SUCCESS [ 16.120 s]
[INFO] Apache Hadoop YARN ResourceManager ................. SUCCESS [ 57.415 s]
[INFO] Apache Hadoop YARN Server Tests .................... SUCCESS [ 3.869 s]
[INFO] Apache Hadoop YARN Client .......................... SUCCESS [ 14.325 s]
[INFO] Apache Hadoop YARN SharedCacheManager .............. SUCCESS [ 11.814 s]
[INFO] Apache Hadoop YARN Timeline Plugin Storage ......... SUCCESS [ 10.027 s]
[INFO] Apache Hadoop YARN Applications .................... SUCCESS [ 0.276 s]
[INFO] Apache Hadoop YARN DistributedShell ................ SUCCESS [ 8.333 s]
[INFO] Apache Hadoop YARN Unmanaged Am Launcher ........... SUCCESS [ 5.473 s]
[INFO] Apache Hadoop YARN Site ............................ SUCCESS [ 0.160 s]
[INFO] Apache Hadoop YARN Registry ........................ SUCCESS [ 13.204 s]
[INFO] Apache Hadoop YARN Project ......................... SUCCESS [ 8.106 s]
[INFO] Apache Hadoop MapReduce Client ..................... SUCCESS [ 0.514 s]
[INFO] Apache Hadoop MapReduce Core ....................... SUCCESS [01:09 min]
[INFO] Apache Hadoop MapReduce Common ..................... SUCCESS [ 40.479 s]
[INFO] Apache Hadoop MapReduce Shuffle .................... SUCCESS [ 10.304 s]
[INFO] Apache Hadoop MapReduce App ........................ SUCCESS [ 27.335 s]
[INFO] Apache Hadoop MapReduce HistoryServer .............. SUCCESS [ 19.910 s]
[INFO] Apache Hadoop MapReduce JobClient .................. SUCCESS [ 16.657 s]
[INFO] Apache Hadoop MapReduce HistoryServer Plugins ...... SUCCESS [ 4.591 s]
[INFO] Apache Hadoop MapReduce Examples ................... SUCCESS [ 12.346 s]
[INFO] Apache Hadoop MapReduce ............................ SUCCESS [ 5.966 s]
[INFO] Apache Hadoop MapReduce Streaming .................. SUCCESS [ 7.940 s]
[INFO] Apache Hadoop Distributed Copy ..................... SUCCESS [ 15.245 s]
[INFO] Apache Hadoop Archives ............................. SUCCESS [ 5.380 s]
[INFO] Apache Hadoop Archive Logs ......................... SUCCESS [ 5.812 s]
[INFO] Apache Hadoop Rumen ................................ SUCCESS [ 11.785 s]
[INFO] Apache Hadoop Gridmix .............................. SUCCESS [ 9.890 s]
[INFO] Apache Hadoop Data Join ............................ SUCCESS [ 5.784 s]
[INFO] Apache Hadoop Ant Tasks ............................ SUCCESS [ 3.254 s]
[INFO] Apache Hadoop Extras ............................... SUCCESS [ 5.495 s]
[INFO] Apache Hadoop Pipes ................................ SUCCESS [ 10.630 s]
[INFO] Apache Hadoop OpenStack support .................... SUCCESS [ 11.234 s]
[INFO] Apache Hadoop Amazon Web Services support .......... SUCCESS [ 14.060 s]
[INFO] Apache Hadoop Azure support ........................ SUCCESS [ 10.535 s]
[INFO] Apache Hadoop Client ............................... SUCCESS [ 13.519 s]
[INFO] Apache Hadoop Mini-Cluster ......................... SUCCESS [ 2.164 s]
[INFO] Apache Hadoop Scheduler Load Simulator ............. SUCCESS [ 10.405 s]
[INFO] Apache Hadoop Tools Dist ........................... SUCCESS [ 11.514 s]
[INFO] Apache Hadoop Azure Data Lake support .............. SUCCESS [ 9.201 s]
[INFO] Apache Hadoop Tools ................................ SUCCESS [ 0.129 s]
[INFO] Apache Hadoop Distribution ......................... SUCCESS [01:07 min]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 31:41 min
[INFO] Finished at: 2017-12-10T11:55:28+08:00
[INFO] Final Memory: 166M/494M
[INFO] ------------------------------------------------------------------------

7.编译好的tar包

/opt/sourcecode/hadoop-2.8.1-src/hadoop-dist/target/hadoop-2.8.1.tar.gz

提醒：

1、有时候编译过程中会出现下载某个包的时间太久，这是由于连接网站的过程中会出现假死，
此时按ctrl+c，重新运行编译命令。
2、如果出现缺少了某个文件的情况，则要先清理maven(使用命令 mvn clean) 再重新编译。

1.官网：

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