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ClouderaManager大数据平台搭建

    在企业里快速搭建大数据平台除了Ambria外还可以用Cloudera Manager,这两种工具相对于纯手工搭建确实便捷很多,但是有利也有弊,相对于新手来说就不便于掌握内部原理,不好排错等,而纯手工搭建,出错较多,不容易成功。

一. 规划:
192.168.3.201 server/agent MySQL
192.168.3.202 agent namenode
192.168.3.203 agent namenode(备) resourcemanager
192.168.3.204 agent resourcemanager (备)
192.168.3.205 agent

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二. 环境准备

  1. 系统:Centos 6.5 64位
  2. 配置IP,hostname,
    各个服务器IP配置:# vim /etc/sysconfig/network-script/ifcfg-eth0
    service network restart
    各个服务器名配置:# vim /etc/sysconfig/network

    vim /etc/hosts

                192.168.3.201    rac201.com
                192.168.3.202    rac202.com
                192.168.3.203    rac203.com
                192.168.3.204    rac204.com
                192.168.3.205    rac205.com
    
      3.检查DNS配置,确保能上网
        # vim /etc/resolve.conf  
        #   ping www.baidu.com
    
      4.关闭防火墙和禁用selinux
         getenforce   查看selinux的状态并修改为disable状态
        #  vim  /etc/sysconfig/selinux
                     SELINUX=disable
                重启生效
    
      5. 禁用和关闭防火墙
          临时禁用  #  iptables -F    
                    #  setenforce 0
                或设置开机不启动
                    #   service  iptables stop
                    #   chkconfig iptables off
    
      6. 所有服务器卸载自带的JDK,安装新版本,比如1.7或1.8版本的
         # rpm  -qa | grep java
         # rpm -e --nodeps tzdata-java-2012j-1.el6.noarch java-1.6.0-openjdk-1.6.0.0-1.50.1.11.5.el6_3.x86_64 java-1.7.0-openjdk-1.7.0.9-2.3.4.1.el6_3.x86_64
         # mkdir -p /opt/modules    
         # tar zxf jdk-8u141-linux-x64.gz -C /opt/modules   
    
      7. 对所有服务器配置JAVA环境变量
         # vi /etc/profile
         export JAVA_HOME=/opt/modules/jdk1.8.0_141
         export PATH=$PATH:$JAVA_HOME/bin
         # source /etc/profile
      8. 拷贝配置到其他服务器
         # scp -r  /opt/modules/jdk1.8.0_141  root@rac202.com:/opt/modules/
         # scp -r  /opt/modules/jdk1.8.0_141  root@rac203.com:/opt/modules/
         # scp -r  /opt/modules/jdk1.8.0_141  root@rac204.com:/opt/modules/
         # scp -r  /opt/modules/jdk1.8.0_141  root@rac205.com:/opt/modules/
    
         检查:  java -version
    
      9. 配置服务器之间免密钥登录
         9.1  #  ssh-keygen
              #  ssh-copy-id -i ~/.ssh/id_rsa.pub rac201.com
              #  ssh-copy-id -i ~/.ssh/id_rsa.pub rac202.com
              #  ssh-copy-id -i ~/.ssh/id_rsa.pub rac203.com
              #  ssh-copy-id -i ~/.ssh/id_rsa.pub rac204.com
              #  ssh-copy-id -i ~/.ssh/id_rsa.pub rac205.com
    
         9.2  # ssh rac01.com
              # exit            #不要忘记连接后要退出
              # ssh rac02.com
              # exit
              # ssh rac03.com
              # exit
              # ssh rac04.com
              # exit
              # ssh rac05.com
              # exit
    
     10. 服务器时间同步
        10.1 启动ntpd进程服务
            # service ntpd start
            # chkconfig ntpd on
            # chkconfig --list | grep ntpd      
        10.2 修改时间服务器的配置
            # vim /etc/ntp.conf
            打开注释,修改成本服务器的网段
            # restrict 192.168.3.0 mask 255.255.255.0 nomodify notrap               
            注释掉以下几行,可能是三行也可能是五行
            #server 0.centos.pool.ntp.org
            #server 1.centos.pool.ntp.org
            #server 2.centos.pool.ntp.org
    
            手工添加以下两行
            server  127.127.1.0     # local clock
            fudge   127.127.1.0 s   
            启动并且配置开机时启动
            # service ntpd start && chkconfig ntpd on && chkconfig --list | grep ntpd
    
    11. 对所有服务器设置能打开的文件最大数量、进程最大数,能使用的内存等
         # vi /etc/security/limits.conf             
            *               soft    nofile          32728
            *               hard    nofile          1024567
            *               soft    nproc           65535
            *               hard    nproc           unlimited
            *               soft    memlock         unlimited
            *               hard    memlock         unlimited
    
         复制limits.conf到其他服务器中
         # scp /etc/security/limits.conf root@rac202.com:/etc/security/limits.conf
         # scp /etc/security/limits.conf root@rac203.com:/etc/security/limits.conf
         # scp /etc/security/limits.conf root@rac204.com:/etc/security/limits.conf
         # scp /etc/security/limits.conf root@rac205.com:/etc/security/limits.conf
         重启生效:  ulimit -a 

三. Mysql数据库安装

  1. 在rac201服务器检查并卸载系统自动安装的Mysql版本,

    rpm -qa | grep mysql

        # rpm -e --nodeps mysql-libs-5.1.71-1.el6.x86_64
  2. 采用yum源方式安装Mysql5.6, 先下载yum源文件,

    wget http://repo.mysql.com/mysql57-community-release-el6-8.noarch.rpm

        # rpm -Uvh mysql57-community-release-el6-8.noarch.rpm
        修改yum源文件:
          vim /etc/yum.repos.d/mysql-community.repo
          [mysql56-community]
          enabled=1
          gpgcheck=1
    
          [mysql57-community]
          enabled=0
          gpgcheck=1
    
          vim /etc/yum.repos.d/mysql-community-source.repo
          [mysql56-community-source]
          enabled=1   
          gpgcheck=1
    
          [mysql-tools-preview-source]
          name=MySQL Tools Preview - Source
          baseurl=http://repo.mysql.com/yum/mysql-tools-preview/el/6/SRPMS
          enabled=1   
          gpgcheck=1
    
        用yum repolist mysql这个命令查看一下是否已经有mysql可安装文件
          #yum repolist all | grep mysql
    
        yum安装mysql, 一直yes下去
        # yum -y install mysql-community-server
    
        安装成功后,启动并初始化
        # service mysqld start
        # service mysqld status
    
        mysql刚安装完,mysql的root用户的密码默认是空的,需要给root用户设置密码密码,执行下列命令进行安全设置
        # mysql_secure_installation        
    
        输入当前用户:回车
    
        输入root密码:123456
    
        production environment.
    
        Remove anonymous users? [Y/n] y
         ... Success!
    
        Normally, root should only be allowed to connect from 'localhost'.  This
        ensures that someone cannot guess at the root password from the network.
    
        Disallow root login remotely? [Y/n] n
         ... skipping.
    
        By default, MySQL comes with a database named 'test' that anyone can
        access.  This is also intended only for testing, and should be removed
        before moving into a production environment.
    
        Remove test database and access to it? [Y/n] n
         ... skipping.
    
        Reloading the privilege tables will ensure that all changes made so far
        will take effect immediately.
    
        Reload privilege tables now? [Y/n] y
         ... Success!            

四. Cloudera Manager安装

  1. 在每台服务器上安装第三方依赖包,或者在Centos系统安装时安装好开发包
    yum -y install chkconfig python bind-utils psmisc libxslt zlib sqlite cyrus-sasl-plain cyrus-sasl-gssapi fuse portmap fuse-libs redhat-lsb

  2. 提前下载好cloudera-manager-el6-cm5.3.6_x86_64.tar.gz
    http://archive.cloudera.com/cm5/cm/5/cloudera-manager-el6-cm5.3.6_x86_64.tar.gz

  3. 在rac201服务器上创建CM的解压目录

    mkdir -p /opt/cloudera-manager

    tar -zxf cloudera-manager-el6-cm5.3.6_x86_64.tar.gz -C /opt/cloudera-manager

    在rac201服务器上修改修改agent配置

    vi /opt/cloudera-manager/cm-5.3.6/etc/cloudera-scm-agent/config.ini

    Hostname of the CM server.

    server_host=rac201.com 
    server_port=7182 
  4. 拷贝解压后的CM文件夹到其他服务器

    scp -r /opt/cloudera-manager/ root@rac202.com:/opt/

    # scp -r /opt/cloudera-manager/ root@rac203.com:/opt/
    # scp -r /opt/cloudera-manager/ root@rac204.com:/opt/
    # scp -r /opt/cloudera-manager/ root@rac205.com:/opt/
  5. 在所有服务器上创建CM的用户

    useradd --system --home=/opt/cloudera-manager/cm-5.3.6/run/cloudera-scm-server --no-create-home --shell=/bin/false cloudera-scm

    # cat /etc/passwd | grep cloudera-scm
  6. 设置CM数据库的权限

    mysql -uroot -p123456

    mysql> grant all privileges on *.*  to 'temp'@'%' identified by 'temp' with grant option;
    mysql> grant all privileges on *.* to 'temp'@'rac01.com' identified by 'temp' with grant option;
    mysql> flush privileges;
    mysql> use  mysql;
    mysql> select host ,user from user;     
    
    进入rac201服务器以下文件夹,执行脚本命令,事先要将mysql-connector-java.jar放入/usr/share/java文件夹中
    # cd /opt/cloudera-manager/cm-5.3.6/share/cmf/schema
    # ./scm_prepare_database.sh mysql -h rac01.com -utemp -ptemp --scm-host rac01.com scm scm scm    
  7. 提前下载好CDH源文件
    CDH-5.3.6-1.cdh6.3.6.p0.11-el6.parcel
    CDH-5.3.6-1.cdh6.3.6.p0.11-el6.parcel.sha
    在rac201服务器上创建以下目录

    mkdir -p /opt/cloudera/parcel-repo

    # mv CDH-5.3.6-1.cdh6.3.6.p0.11-el6.parcel* /opt/cloudera/parcel-repo/
    
    在所有服务器上创建
    # mkdir -p /opt/cloudera/parcels        
    
    更改parcel目录的所有人
    在rac201服务器上 
    # chown -R cloudera-scm:cloudera-scm /opt/cloudera/parcel-repo/
    在所有服务器上 
    # chown -R cloudera-scm:cloudera-scm /opt/cloudera/parcels  
  8. 启动CM的进程
    在rac201服务器上

    cd /opt/cloudera-manager/cm-5.3.6/etc/init.d

     # ./cloudera-scm-server  start 

    在所有服务器上启动agent进程

    cd /opt/cloudera-manager/cm-5.3.6/etc/init.d/

     # ./cloudera-scm-agent start 

    CM的服务器登录界面
    http://rac01.com:7180
    登录账号和密码 admin admin

Cloudera Manager大数据平台搭建

Cloudera Manager大数据平台搭建

Cloudera Manager大数据平台搭建


网站名称:ClouderaManager大数据平台搭建
转载来源:http://6mz.cn/article/pjhodo.html

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