参考了网上多个版本的CDH搭建平台,终于搭建了起来了,过程磕磕绊绊,此文以作总结。
参考:https://www.cnblogs.com/zhangleisanshi/p/7575579.html
一、环境准备:
- VM虚拟机(自行搜索)
- centos7 操作系统采用CentOS Minimal 7 :http://124.205.69.134/files/4128000005F9FCB3/mirrors.zju.edu.cn/centos/7.4.1708/isos/x86_64/CentOS-7-x86_64-Minimal-1708.iso
- JDK环境 版本:jdk-8u101-linux-x64.rpm 下载地址:oracle官网mysql
- rpm包:http://dev.mysql.com/get/Downloads/MySQL-5.6/MySQL-5.6.26-1.linux_glibc2.5.x86_64.rpm-bundle.tar
- jdbc连接包mysql-connector-java-5.1.39-bin.jar: http://dev.mysql.com/downloads/connector/j/
- CDH安装相关的包
- cloudera manager包 :5.7.2 cloudera-manager-centos7-cm5.7.2_x86_64.tar.gz
下载地址:http://archive.cloudera.com/cm5/cm/5/cloudera-manager-centos7-cm5.7.2_x86_64.tar.gz - CDH-5.7.2-1.cdh5.7.2.p0.11-el7.parcel
- CDH-5.7.2-1.cdh5.7.2.p0.11-el7.parcel.sha1
- manifest.json
- 以上三个下载地址在http://archive.cloudera.com/cdh5/parcels/5.7.2/,注意centos要下载el7的
- 截图如下:
二、操作:
- 三台虚拟机创建,名字为cdh1 cdh2 cdh3截图如下:
- 网络设置
//centos7 静态ip设置,一共分为三步
//一、更改网卡设置
[root@localhost ~]# vi /etc/sysconfig/network-scripts/ifcfg-ens33
//修改:
ONBOOT=no 改为 ONBOOT=yes
[root@cdh1~]$ systemct1 restart network
[root@localhost ~]# vi /etc/sysconfig/network-scripts/ifcfg-ens33
BOOTPROTO=dhcp 改为 BOOTPROTO=static
//增加:
IPADDR=192.168.152.134 #你想设置的IP地址(ip add找到本机IP)
NTSMASK=255.255.255.0
GATEWAY=192.168.152.2 #默认网关,虚拟网络编辑器查看
DNS1=192.168.152.2 #与网关一致
//二、重启网络服务
service network restart
//三、配置网络工具
[root@cdh1~]$ yum install net-tools
- 所有节点安装JDK
[root@cdh1~]$ java -version
[root@cdh1~]$ rpm -qa | grep jdk
java-1.7.0-openjdk-1.7.0.75-2.5.4.2.el7_0.x86_64
java-1.7.0-openjdk-headless-1.7.0.75-2.5.4.2.el7_0.x86_64
[root@cdh1~]# yum -y remove java-1.7.0-openjdk-1.7.0.75-2.5.4.2.el7_0.x86_64
[root@cdh1~]# yum -y remove java-1.7.0-openjdk-headless-1.7.0.75-2.5.4.2.el7_0.x86_64
[root@cdh1~]# java -version
bash: /usr/bin/java: No such file or directory
[root@cdh1~]# rpm -ivh jdk-8u101-linux-x64.rpm
[root@cdh1~]# java -version
java version "1.8.0_101"
Java(TM) SE Runtime Environment (build 1.8.0_101-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.101-b13, mixed mode)
- 所有节点配置hosts
[root@cdh1~]# vi /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=cdh1
[root@cdh1~]# vi /etc/hosts
127.0.0.1 localhost.cdh1
192.168.42.128 cdh1
192.168.42.129 cdh2
192.168.42.130 cdh3
- 关闭selinux,注意,此操作完成后需要重启
[root@cdh1~]# vi /etc/sysconfig/selinux
SELINUX=disabled
[root@cdh1~]#sestatus -v
SELinux status: disabled
表示已经关闭了
- 关闭防火墙
[root@cdh1~]# systemctl stop firewalld
[root@cdh1~]# systemctl disable firewalld
rm '/etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service'
rm '/etc/systemd/system/basic.target.wants/firewalld.service'
[root@cdh1~]# systemctl status firewalld
firewalld.service - firewalld - dynamic firewall daemon
Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled)
Active: inactive (dead)
- NTP服务器配置(用于3个节点间实现时间同步)
[root@cdh1~]#yum -y install ntp
更改master的节点
[root@cdh1~]## vi /etc/ntp.conf
注释掉所有server *.*.*的指向,新添加一条可连接的ntp服务器(我选的本公司的ntp测试服务器)
server 172.30.0.19 iburst
在其他节点上把ntp指向master服务器地址即可(/etc/ntp.conf下)
server 192.168.42.128 iburst
[root@cdh1~]## systemctl start ntpd //启动ntp服务
[root@cdh1~]## systemctl status ntpd //查看ntp服务状态
- SSH无密码登录配置,各个节点都需要设置免登录密码
[root@cdh1 /]# ssh-keygen -t rsa
[root@cdh1 /]# ssh-copy-id 192.168.152.134(此语句需要执行3*3=9次,在chd1上将集群三个ip执行,然后cdh2,cdh3也要执行)
执行完毕之后,在每一台机器上分别ssh三台机器,共需要ssh九次(cdh1需要ssh cdh1;ssh cdh2 ;ssh cdh3.cdh2 cdh3也要执行)
- 安装mysql centos7自带的是mariadb,需要先卸载掉
[root@cdh1 /]# rpm -qa | grep mariadb
mariadb-libs-5.5.41-2.el7_0.x86_64
[root@cdh1 /]# rpm -e --nodeps mariadb-libs-5.5.41-2.el7_0.x86_64
[root@cdh1 /]# tar -xvf MySQL-5.6.24-1.linux_glibc2.5.x86_64.rpm-bundle.tar //mysql rpm包拷贝到服务器上然后解压
[root@cdh1 /]# yum install -y perl-Module-Install.noarch
[root@cdh1 /]# rpm -ivh MySQL-*.rpm //安装释出的全部rpm
[root@cdh1 /]# cp /usr/share/mysql/my-default.cnf /etc/my.cnf
[root@cdh1 /]# vi /etc/my.cnf //在配置文件中增加以下配置并保存
[mysqld]
default-storage-engine = innodb
innodb_file_per_table
collation-server = utf8_general_ci
init-connect = 'SET NAMES utf8'
character-set-server = utf8
[root@cdh1 /]# /usr/bin/mysql_install_db //初始化mysql
[root@cdh1 /]# service mysql restart //启动mysql
ERROR! MySQL server PID file could not be found!
Starting MySQL... SUCCESS!
[root@cdh1 /]# cat /root/.mysql_secret //查看mysql root初始化密码
# The random password set for the root user at Fri Sep 22 11:13:25 2017 (local time): 9mp7uYFmgt6drdq3
[root@cdh1 /]# mysql -u root -p //登录进行去更改密码
mysql> SET PASSWORD=PASSWORD('123456');
mysql> update user set host='%' where user='root' and host='localhost'; //允许mysql远程访问
Query OK, 1 row affected (0.05 sec)
Rows matched: 1 Changed: 1 Warnings: 0
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
[root@cdh1 /]# chkconfig mysql on //配置开机启动
[root@cdh1 /]# tar -zcvf mysql-connector-java-5.1.44.tar.gz // 解压mysql-connector-java-5.1.44.tar.gz得到mysql-connector-java-5.1.44-bin.jar
[root@cdh1 /]# mkdir /usr/share/java // 在各节点创建java文件夹
[root@cdh1 /]# cp mysql-connector-java-5.1.44-bin.jar /usr/share/java/mysql-connector-java.jar //将mysql-connector-java-5.1.44-bin.jar拷贝到/usr/share/java路径下并重命名为mysql-connector-java.jar
- 创建数据库
create database hive DEFAULT CHARSET utf8 COLLATE utf8_general_ci;
Query OK, 1 row affected (0.00 sec)
create database amon DEFAULT CHARSET utf8 COLLATE utf8_general_ci;
Query OK, 1 row affected (0.00 sec)
create database hue DEFAULT CHARSET utf8 COLLATE utf8_general_ci;
Query OK, 1 row affected (0.00 sec)
create database monitor DEFAULT CHARSET utf8 COLLATE utf8_general_ci;
Query OK, 1 row affected (0.00 sec)
create database oozie DEFAULT CHARSET utf8 COLLATE utf8_general_ci;
Query OK, 1 row affected (0.00 sec)
grant all on *.* to root@"%" Identified by "123456";
- 安装Cloudera-Manager
//解压cm tar包到指定目录所有服务器都要(或者在主节点解压好,然后通过scp到各个节点同一目录下)
[root@cdh1 ~]#mkdir /opt/cloudera-manager
[root@cdh1 ~]# tar -axvf cloudera-manager-centos7-cm5.7.2_x86_64.tar.gz -C /opt/cloudera-manager
//创建cloudera-scm用户(所有节点)
[root@cdh1 ~]# useradd --system --home=/opt/cloudera-manager/cm-5.7.2/run/cloudera-scm-server --no-create-home --shell=/bin/false --comment "Cloudera SCM User" cloudera-scm
//在主节点创建cloudera-manager-server的本地元数据保存目录
[root@cdh1 ~]# mkdir /var/cloudera-scm-server
[root@cdh1 ~]# chown cloudera-scm:cloudera-scm /var/cloudera-scm-server
[root@cdh1 ~]# chown cloudera-scm:cloudera-scm /opt/cloudera-manager
//配置从节点cloudera-manger-agent指向主节点服务器
[root@cdh1 ~]# vi /opt/cloudera-manager/cm-5.7.2/etc/cloudera-scm-agent/config.ini
将server_host改为CMS所在的主机名即cdh1
//主节点中创建parcel-repo仓库目录
[root@cdh1 ~]# mkdir -p /opt/cloudera/parcel-repo
[root@cdh1 ~]# chown cloudera-scm:cloudera-scm /opt/cloudera/parcel-repo
[root@cdh1 ~]# cp CDH-5.7.2-1.cdh5.7.2.p0.18-el7.parcel CDH-5.7.2-1.cdh5.7.2.p0.18-el7.parcel.sha manifest.json /opt/cloudera/parcel-repo
注意:其中CDH-5.7.2-1.cdh5.7.2.p0.18-el5.parcel.sha1 后缀要把1去掉
//所有节点创建parcels目录
[root@cdh1 ~]# mkdir -p /opt/cloudera/parcels
[root@cdh1 ~]# chown cloudera-scm:cloudera-scm /opt/cloudera/parcels
解释:Clouder-Manager将CDHs从主节点的/opt/cloudera/parcel-repo目录中抽取出来,分发解压激活到各个节点的/opt/cloudera/parcels目录中
//初始脚本配置数据库scm_prepare_database.sh(在主节点上)
[root@cdh1 ~]# /opt/cloudera-manager/cm-5.7.2/share/cmf/schema/scm_prepare_database.sh mysql -hcdh1 -uroot -p123456 --scm-host cdh1 scmdbn scmdbu scmdbp
说明:这个脚本就是用来创建和配置CMS需要的数据库的脚本。各参数是指:
mysql:数据库用的是mysql,如果安装过程中用的oracle,那么该参数就应该改为oracle。
-cdh1:数据库建立在cdh1主机上面,也就是主节点上面。
-uroot:root身份运行mysql。-123456:mysql的root密码是***。
--scm-host cdh1:CMS的主机,一般是和mysql安装的主机是在同一个主机上,最后三个参数是:数据库名,数据库用户名,数据库密码。
如果报错:
ERROR com.cloudera.enterprise.dbutil.DbProvisioner - Exception when creating/dropping database with user 'root' and jdbc url 'jdbc:mysql://localhost/?useUnicode=true&characterEncoding=UTF-8'
java.sql.SQLException: Access denied for user 'root'@'cdh1' (using password: YES)
则参考 http://forum.spring.io/forum/spring-projects/web/57254-java-sql-sqlexception-access-denied-for-user-root-localhost-using-password-yes
运行如下命令:
update user set PASSWORD=PASSWORD('123456') where user='root';
GRANT ALL PRIVILEGES ON *.* TO 'root'@'cdh1' IDENTIFIED BY '123456' WITH GRANT OPTION;
FLUSH PRIVILEGES;
//启动主节点
[root@cdh1 ~]# cp /opt/cloudera-manager/cm-5.7.2/etc/init.d/cloudera-scm-server /etc/init.d/cloudera-scm-server
[root@cdh1 ~]# chkconfig cloudera-scm-server on
[root@cdh1 ~]# vi /etc/init.d/cloudera-scm-server
CMF_DEFAULTS=${CMF_DEFAULTS:-/etc/default}改为=/opt/cloudera-manager/cm-5.7.2/etc/default
[root@cdh1 ~]# service cloudera-scm-server start
//同时为了保证在每次服务器重启的时候都能启动cloudera-scm-server,应该在开机启动脚本/etc/rc.local中加入命令:service cloudera-scm-server restart
//启动cloudera-scm-agent所有节点
[root@cdhX ~]# mkdir /opt/cloudera-manager/cm-5.7.2/run/cloudera-scm-agent
[root@cdhX ~]# cp /opt/cloudera-manager/cm-5.7.2/etc/init.d/cloudera-scm-agent /etc/init.d/cloudera-scm-agent
[root@cdhX ~]# chkconfig cloudera-scm-agent on
[root@cdhX ~]# vi /etc/init.d/cloudera-scm-agent
CMF_DEFAULTS=${CMF_DEFAULTS:-/etc/default}改为=/opt/cloudera-manager/cm-5.7.2/etc/default
[root@cdhX ~]# service cloudera-scm-agent start
//同时为了保证在每次服务器重启的时候都能启动cloudera-scm-agent,应该在开机启动脚本/etc/rc.local中加入命令:service cloudera-scm-agent restart
- 等待主节点完成启动就在浏览器中进行操作了 进入192.168.42.128:7180 默认使用admin admin登录以下在浏览器中使用操作安装

此地有两个未检测通过,需要执行如下语句
echo never > /sys/kernel/mm/transparent_hugepage/defrag
echo 0 > /proc/sys/vm/swappiness
将上面语句加入开机启动中:
vi /etc/rc.local
写入

数据库设置选择
数据库设置 | 数据库类型 | 数据库名称 | 用户名 | 密码 |
Hive | mysql | hive | root | 123456 |
Oozie Server | mysql | oozie | root | 123456 |
安装完成后可在浏览器中进入192.168.42.128:7180地址,查看集群情况:

主要做solr用,搭建的组建不错,警告多为性能原因,部分组件未成功。
安装中遇到的问题:
- mysql数据库启动失败:
mysql执行service mysql restart时,报错:Starting MySQL.The server quit without updating PID file ([失败]ysqllnmp.pid)
经查是/etc/my.cnf配置问题,此问题是mysql安装常见问题,另附删除mysql语句:
1找到安装的程序:rpm -qa | grep MySQL 2删除 rpm -e --nodeps MySQL-test-5.6.26-1.linux_glibc2.5.x86_64 rpm -e --nodeps MySQL-devel-5.6.26-1.linux_glibc2.5.x86_64 rpm -e --nodeps MySQL-shared-compat-5.6.26-1.linux_glibc2.5.x86_64 rpm -e --nodeps MySQL-client-5.6.26-1.linux_glibc2.5.x86_64 rpm -e --nodeps MySQL-shared-5.6.26-1.linux_glibc2.5.x86_64 rpm -e --nodeps MySQL-server-5.6.26-1.linux_glibc2.5.x86_64 rpm -e --nodeps MySQL-embedded-5.6.26-1.linux_glibc2.5.x86_64 3 找到目录 find / -name mysql 4删除 rm -rf /run/lock/subsys/mysql rm -rf /etc/selinux/targeted/active/modules/100/mysql rm -rf /var/lib/mysql rm -rf /var/lib/mysql/mysql rm -rf /usr/lib64/mysql
- 页面配置集群时,少主机
全部节点需要全部配置指向主节点:
//配置从节点cloudera-manger-agent指向主节点服务器 [root@cdh1 ~]# vi /opt/cloudera-manager/cm-5.7.2/etc/cloudera-scm-agent/config.ini 将server_host改为CMS所在的主机名即cdh1
- 组件启动失败
经常报错:CDH 仅完成 1/3 个步骤。
之前分开操作的,需要连续性配置。(我重新搭建的)