CentOS7下CDH5.11.1集群离线部署

本文章仅作为个人笔记

CDH官网地址:https://www.cloudera.com/

CDH镜像地址:

    cm5.11.1地址:http://archive.cloudera.com/cm5/repo-as-tarball/5.11.1/cm5.11.1-centos7.tar.gz

        http://archive.cloudera.com/cm5/repo-as-tarball/5.11.1/cm5.11.1-centos7.tar.gz.sha1

    cdh5.11.1地址:http://archive.cloudera.com/cdh5/parcels/5.11.1/CDH-5.11.1-1.cdh5.11.1.p0.4-el7.parcel

        http://archive.cloudera.com/cdh5/parcels/5.11.1/CDH-5.11.1-1.cdh5.11.1.p0.4-el7.parcel.sha1

        http://archive.cloudera.com/cdh5/parcels/5.11.1/manifest.json

    jdk1.8.121官网下载地址:http://download.oracle.com/otn/java/jdk/8u121-b13/e9e7ea248e2c4826b92b3f075a80e441/jdk-8u121-linux-i586.rpm

    mysql5.6.36官网下载地址:https://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.36-linux-glibc2.5-x86_64.tar.gz

    mysql连接驱动下载地址:https://dev.mysql.com/downloads/connector/j/

笔者使用VMware进行模拟安装,为了满足基础配置,这里分配3台虚拟机(hadoopb01(4g/4核/40g/192.168.75.136/master),hadoopb02(2g/2核/40g/192.168.75.144/slave),hadoopb03(2g/2核/40g/192.168.75.145/slave)),另外wget下载文件非常缓慢并且不方便反复测试及安装,笔者这里下载好所有资源文件放在本地(.sha1文件结尾的文件统一重命名为.sha)。(如果虚拟机开机后无网络(使用net桥接方式),可与命令行运行dhclient分配ip,若后续断开了可运行dhclient -r后再运行dhclient)

《CentOS7下CDH5.11.1集群离线部署》 本地虚拟机,本地文件

在3台服务器共同操作:

    安装基本工具: yum install vim wget net-tools unzip -y

    关闭SELINUX:

        运行 setenforce 0 临时关闭

        永久关闭SELINUX:

            echo “SELINUX=disabled” > /etc/selinux/config

            echo “SELINUXTYPE=targeted” >> /etc/selinux/config

    关闭iptables防火墙:

        运行 systemctl stop firewalld.service 停止防火墙

        运行 systemctl status firewalld.service 查看防火墙状态

        运行 systemctl disable firewalld.service 关闭防火墙开机启动

    更改主机名:

        运行 hostname hadoopb01 更改主机名,根据不同主机选择不同主机名(hadoopb01/hadoopb02/hadoopb03)

        运行 echo “HOSTNAME=hadoopb01” > /etc/sysconfig/network ,根据不同主机选择不同主机名(hadoopb01/hadoopb02/hadoopb03)

        运行 echo “hadoopb01” > /etc/hostname ,根据不同主机选择不同主机名(hadoopb01/hadoopb02/hadoopb03)

    安装jdk(参考http://www.jianshu.com/p/c5fc4dd47754

    密钥生成:

        运行 ssh-keygen 一路回车回车生成

    ip与hostname绑定:

        echo “192.168.75.136 hadoopb01” >> /etc/hosts

        echo “192.168.75.144 hadoopb02” >> /etc/hosts

        echo “192.168.75.145 hadoopb03” >> /etc/hosts

    运行python –version 检查python版本,如果不是python2.6.6建议改为python2.6.6

    时间同步:

        运行 yum install ntp -y 安装ntp服务

        运行 systemctl enable ntpd 使ntp服务开机启动

在从服务器操作(hadoopb02(2g/2核/40g/192.168.75.144/slave),hadoopb03(2g/2核/40g/192.168.75.145/slave):

    配置时钟同步:

        echo “driftfile /var/lib/ntp/ntp.drift” > /etc/ntp.conf

        echo “statistics loopstats peerstats clockstats” >> /etc/ntp.conf

        echo “filegen loopstats file loopstats type day enable” >> /etc/ntp.conf

        echo “filegen peerstats file peerstats type day enable” >> /etc/ntp.conf

        echo “filegen clockstats file clockstats type day enable” >> /etc/ntp.conf

        echo “server 192.168.75.136 prefer” >> /etc/ntp.conf

        echo “fudge 192.168.75.136 stratum 5” >> /etc/ntp.conf

        echo “restrict -4 default kod notrap nomodify nopeer noquery” >> /etc/ntp.conf

        echo “restrict -6 default kod notrap nomodify nopeer noquery” >> /etc/ntp.conf

        echo “restrict 127.0.0.1” >> /etc/ntp.conf

        echo “restrict ::1” >> /etc/ntp.conf

    运行 service ntpd restart 重启ntpd并使配置生效

    运行 ntpdate –u 192.168.75.136 同步时间

在主服务器操作(hadoopb01(4g/4核/40g/192.168.75.136/master):

    运行 ssh-copy-id hadoopb01

        ssh-copy-id hadoopb02

        ssh-copy-id hadoopb03 完成各服务器免密登录

    配置时钟同步:

        echo “driftfile /var/lib/ntp/ntp.drift” > /etc/ntp.conf

        echo “restrict 192.168.75.0 mask 255.255.255.0 nomodify notrap” >> /etc/ntp.conf

        echo “server 210.72.145.44” >> /etc/ntp.conf

        echo “server 202.112.10.36 perfer” >> /etc/ntp.conf

        echo “server 59.124.196.83” >> /etc/ntp.conf

        echo “restrict 210.72.145.44 nomodify notrap noquery” >> /etc/ntp.conf

        echo “restrict 202.112.10.36 nomodify notrap noquery” >> /etc/ntp.conf

        echo “restrict 59.124.196.83 nomodify notrap noquery” >> /etc/ntp.conf

        echo “server  127.127.1.0” >> /etc/ntp.conf

        echo “fudge  127.127.1.0 stratum 10” >> /etc/ntp.conf

    运行 service ntpd restart 重启ntpd并使配置生效

    运行 ntpdate –u 202.112.10.36 同步时间

    使用filezilla将上文所述文件传输至主服务器(放置于root用户~目录)

    安装配置mysql5.6(可参考http://www.jianshu.com/p/c5fc4dd47754

        创建相关用户及数据库:

      create database cmf default character set utf8

        grant all on cmf.* to ‘cmf’@’localhost’ identified by ‘cmf_password’

        grant all on cmf.* to ‘cmf’@’%’ identified by ‘cmf_password’

        grant all on cmf.* to ‘cmf’@’${m_hosts[${c_index}]}’ identified by ‘cmf_password’

        drop database cmf

        create database cmf

        create database hive default character set utf8

        grant all on hive.* to ‘hive’@’localhost’ identified by ‘hive_password’

        grant all on hive.* to ‘hive’@’%’ identified by ‘hive_password’

        grant all on hive.* to ‘hive’@’${m_hosts[${c_index}]}’ identified by ‘hive_password’

        drop database hive

        create database hive

        create database hue default character set utf8

        grant all on hue.* to ‘hue’@’localhost’ identified by ‘hue_password’

        grant all on hue.* to ‘hue’@’%’ identified by ‘hue_password’

        grant all on hue.* to ‘hue’@’${m_hosts[${c_index}]}’ identified by ‘hue_password’

        drop database hue

        create database hue

        create database am default character set utf8

        grant all on am.* to ‘am’@’localhost’ identified by ‘am_password’

        grant all on am.* to ‘am’@’%’ identified by ‘am_password’

        grant all on am.* to ‘am’@’${m_hosts[${c_index}]}’ identified by ‘am_password’

        drop database am

        create database am

        create database os default character set utf8

        grant all on os.* to ‘os’@’localhost’ identified by ‘os_password’

        grant all on os.* to ‘os’@’%’ identified by ‘os_password’

        grant all on os.* to ‘os’@’${m_hosts[${c_index}]}’ identified by ‘os_password’

        drop database os

        create database os

        flush privileges

    安装并启动httpd服务:

        运行 yum install -y httpd 安装httpd服务

        运行 systemctl enable httpd 设置httpd服务开机启动

        运行 service httpd start 启动httpd服务

    创建parcels服务(依次运行如下命令):

        cd /var/www/html

        mkdir parcels

        cd parcels

        mv ~/CDH-5.11.1-1.cdh5.11.1.p0.4-el7.parcel ./

        mv ~/CDH-5.11.1-1.cdh5.11.1.p0.4-el7.parcel.sha ./

        mv ~/manifest.json ./

    创建cm5服务(依次运行如下命令):

         mkdir /opt/rpminstall

         cd /opt/rpminstall

         mv ~/cm5.11.1-centos7.tar.gz ./

         mv ~/cm5.11.1-centos7.tar.gz.sha ./

         tar -zxf cm5.11.1-centos7.tar.gz -C /var/www/html/

         cd /var/www/html/

         mkdir -p cm5/redhat/7/x86_64/

         mv cm cm5/redhat/7/x86_64/

         chown apache:apache -R /var/www/html

         cd /var/www/html/cm5/redhat/7/x86_64/cm/5/RPMS/x86_64

         yum install -y cloudera-manager-daemons-5.11.1-1.cm5111.p0.9.el7.x86_64.rpm

         yum install -y cloudera-manager-server-5.11.1-1.cm5111.p0.9.el7.x86_64.rpm

         mkdir /usr/share/java

         cd /usr/share/java

         mv ~/mysql-connector-java-5.1.42.zip ./

         unzip mysql-connector-java-5.1.42.zip

         cd mysql-connector-java-5.1.42

         cp mysql-connector-java-5.1.42-bin.jar ../mysql-connector-java.jar

         echo “com.cloudera.cmf.db.type=mysql” > /etc/cloudera-scm-server/db.properties

         echo “com.cloudera.cmf.db.host=localhost” >> /etc/cloudera-scm-server/db.properties

         echo “com.cloudera.cmf.db.name=cmf” >> /etc/cloudera-scm-server/db.properties

         echo “com.cloudera.cmf.db.user=cmf” >> /etc/cloudera-scm-server/db.properties

         echo “com.cloudera.cmf.db.password=cmf_password” >> /etc/cloudera-scm-server/db.properties

    运行 service cloudera-scm-server start 启动 cloudera-scm 服务

    运行 tail -f /var/log/cloudera-scm-server/cloudera-scm-server.log 查看运行日志,待日志停止且显示Started Jetty server.表示服务运行完成。

    与浏览器输入 http://192.168.75.136:7180开始正式的集群部署

《CentOS7下CDH5.11.1集群离线部署》 默认用户名密码都为admin
《CentOS7下CDH5.11.1集群离线部署》 同意并继续
《CentOS7下CDH5.11.1集群离线部署》 选择适合自己的版本并继续
《CentOS7下CDH5.11.1集群离线部署》 点击继续
《CentOS7下CDH5.11.1集群离线部署》 填入3台服务器的ip并点击搜索
《CentOS7下CDH5.11.1集群离线部署》 确认可行后点击继续
《CentOS7下CDH5.11.1集群离线部署》 与浏览器访问 http://192.168.75.136/parcels/确认parcels服务,若出现如图则表示ok
《CentOS7下CDH5.11.1集群离线部署》 与浏览器访问 http://192.168.75.136/cm5/redhat/7/x86_64/cm/5/ 确认cm5服务,若出现如图则表示ok
《CentOS7下CDH5.11.1集群离线部署》 点击更多选项配置parcel服务
《CentOS7下CDH5.11.1集群离线部署》 填入之前部署的本地parcel服务并删除多余的url点击保存更改
《CentOS7下CDH5.11.1集群离线部署》 点击自定义存储库配置cm5服务
《CentOS7下CDH5.11.1集群离线部署》 配置cm5服务并点击继续
《CentOS7下CDH5.11.1集群离线部署》 直接点击继续
《CentOS7下CDH5.11.1集群离线部署》 直接点击继续
《CentOS7下CDH5.11.1集群离线部署》 选择合适的登陆配置(密码或私钥),点击继续
《CentOS7下CDH5.11.1集群离线部署》 等待安装完成点击继续
《CentOS7下CDH5.11.1集群离线部署》 等待安装完parcel点击继续
《CentOS7下CDH5.11.1集群离线部署》 检测完成后点击完成(这里忽略这两个警告,可自行修复)
《CentOS7下CDH5.11.1集群离线部署》 这里选择所有服务以测试是否可以完成所有服务的安装

《CentOS7下CDH5.11.1集群离线部署》 这里直接点继续,如果需要自定义可自行定义。
《CentOS7下CDH5.11.1集群离线部署》 填写创建好的数据库信息测试链接ok后点击继续
《CentOS7下CDH5.11.1集群离线部署》 这里直接点击继续(用户可自行配置)
《CentOS7下CDH5.11.1集群离线部署》 等都通过后点击继续,如果hive的安装出现问题可参考文件末尾教程再操作。
《CentOS7下CDH5.11.1集群离线部署》 点击完成,完成安装

至此完成安装

文章的最后附上个人的脚本(吐槽下简书的书写为了格式会导致粘贴部分文案行不对号,如果要使用这个脚本需要更改( 主机ip,主机名)):

最后为了使脚本能够运行,需要运行 chmod +x filepath 为文件添加权限,运行时执行 bash filepath n 例如(bash cdh.sh 0),运行此脚本可能mysql初始化不完全,如果可以,最好还是弄懂所有的步骤。

====================================================================================================master

#!/bin/bash

c_index=$1

m_names=(“master” “slave01” “slave02”)

m_hosts=(“192.168.1.131” “192.168.1.129” “192.168.1.226”)

function auto_ssh_keygen(){

expect -c “set timeout -1;

spawn ssh-keygen;

expect {

*id_rsa* {

send \n\r;

exp_continue;

};

*Overwrite* {

send y\n\r;

exp_continue;

};

*passphrase* {

send \n\r;

exp_continue;

};

*again* {

send \n\r;

exp_continue;

};

};

}

function auto_ssh_copy(){

expect -c “set timeout -1;

spawn ssh-copy-id $1;

expect {

*yes/no* {

send yes\n\r;

exp_continue;

};

*password* {

send $2\n\r;

exp_continue;

};

};

}

#初始化必要工具

yum install expect -y

yum install unzip -y

#关闭selinux

setenforce 0

echo “SELINUX=disabled” > /etc/selinux/config

echo “SELINUXTYPE=targeted” >> /etc/selinux/config

#关闭防火墙

systemctl stop firewalld.service

systemctl status firewalld.service

systemctl disable firewalld.service

#定义主机名

hostname ${m_names[${c_index}]}

echo “HOSTNAME=${m_names[${c_index}]}” > /etc/sysconfig/network

#ip与hostname绑定

echo “${m_names[${c_index}]}” > /etc/hostname

t_index=0

for m_name in ${m_names[@]};

do

echo “${m_hosts[t_index]} $m_name” >> /etc/hosts

let t_index++

done

#时间同步

yum install ntp -y

systemctl enable ntpd

if [ ${c_index} == 0 ]

then

echo “driftfile /var/lib/ntp/ntp.drift” > /etc/ntp.conf

echo “restrict 192.168.75.0 mask 255.255.255.0 nomodify notrap” >> /etc/ntp.conf

echo “server 210.72.145.44” >> /etc/ntp.conf

echo “server 202.112.10.36 perfer” >> /etc/ntp.conf

echo “server 59.124.196.83” >> /etc/ntp.conf

echo “restrict 210.72.145.44 nomodify notrap noquery” >> /etc/ntp.conf

echo “restrict 202.112.10.36 nomodify notrap noquery” >> /etc/ntp.conf

echo “restrict 59.124.196.83 nomodify notrap noquery” >> /etc/ntp.conf

echo “server  127.127.1.0” >> /etc/ntp.conf

echo “fudge  127.127.1.0 stratum 10” >> /etc/ntp.conf

service ntpd restart

ntpdate –u 202.112.10.36

#免密登陆

for m_name in ${m_names[@]};

do

auto_ssh_copy $m_name root

done

else

echo “driftfile /var/lib/ntp/ntp.drift” > /etc/ntp.conf

echo “statistics loopstats peerstats clockstats” >> /etc/ntp.conf

echo “filegen loopstats file loopstats type day enable” >> /etc/ntp.conf

echo “filegen peerstats file peerstats type day enable” >> /etc/ntp.conf

echo “filegen clockstats file clockstats type day enable” >> /etc/ntp.conf

echo “server ${m_hosts[0]} prefer” >> /etc/ntp.conf

echo “fudge ${m_hosts[0]} stratum 5” >> /etc/ntp.conf

echo “restrict -4 default kod notrap nomodify nopeer noquery” >> /etc/ntp.conf

echo “restrict -6 default kod notrap nomodify nopeer noquery” >> /etc/ntp.conf

echo “restrict 127.0.0.1” >> /etc/ntp.conf

echo “restrict ::1” >> /etc/ntp.conf

service ntpd restart

ntpdate –u ${m_hosts[0]}

fi

#生成私钥

rm -rf /root/.ssh/id_rsa

rm -rf /root/.ssh/id_rsa.pub

auto_ssh_keygen

#安装jdk

rpm -Uvh jdk-8u121-linux-x64.rpm

echo “JAVA_HOME=/usr/java/jdk1.8.0_121” > /etc/profile.d/java.sh

echo “PATH=\$PATH:\$JAVA_HOME/bin” >> /etc/profile.d/java.sh

echo “CLASSPATH=.:\$JAVA_HOME/lib/jt.jar:\$JAVA_HOME/lib/tools.jar” >> /etc/profile.d/java.sh

echo “export JAVA_HOME PATH CLASSPATH” >> /etc/profile.d/java.sh

source /etc/profile

if [ ${c_index} == 0 ]

then

#安装并初始化配置mysql

tar -zxvf mysql-5.6.36-linux-glibc2.5-x86_64.tar.gz

mv mysql-5.6.36-linux-glibc2.5-x86_64 /usr/local/mysql

touch /etc/my.cnf

echo “[mysql]” > /etc/my.cnf

echo “default-character-set=utf8” >> /etc/my.cnf

echo “socket=/var/lib/mysql/mysql.sock” >> /etc/my.cnf

echo “[mysqld]” >> /etc/my.cnf

echo “skip-name-resolve” >> /etc/my.cnf

echo “port=3306” >> /etc/my.cnf

echo “socket=/var/lib/mysql/mysql.sock” >> /etc/my.cnf

echo “basedir=/usr/local/mysql” >> /etc/my.cnf

echo “datadir=/usr/local/mysql/data” >> /etc/my.cnf

echo “max_connections=200” >> /etc/my.cnf

echo “character-set-server=utf8” >> /etc/my.cnf

echo “default-storage-engine=INNODB” >> /etc/my.cnf

echo “lower_case_table_names=1” >> /etc/my.cnf

echo “max_allowed_packet=16M” >> /etc/my.cnf

mkdir -p /var/lib/mysql/mysql

groupadd mysql

useradd -g mysql mysql

chown -R mysql:mysql /usr/local/mysql

chown -R mysql:mysql /var/lib/mysql

yum install -y perl-Module-Install.noarch

/usr/local/mysql/scripts/mysql_install_db –user=mysql –basedir=/usr/local/mysql

chown -R mysql:mysql /usr/local/mysql

chown 777 /etc/my.cnf

cp /usr/local/mysql/support-files/mysql.server /etc/rc.d/init.d/mysqld

chmod +x /etc/rc.d/init.d/mysqld

chkconfig –add mysqld

echo “export PATH=\$PATH:/usr/local/mysql/bin” > /etc/profile.d/mysql.sh

source /etc/profile

service mysqld restart

/usr/local/mysql/bin/mysql -e “delete from mysql.user where user = ””

/usr/local/mysql/bin/mysql -e “update mysql.user set password = (select password(‘root’)) where user = ‘root'”

/usr/local/mysql/bin/mysql -e “create database cmf default character set utf8”

/usr/local/mysql/bin/mysql -e “grant all on cmf.* to ‘cmf’@’localhost’ identified by ‘cmf_password'”

/usr/local/mysql/bin/mysql -e “grant all on cmf.* to ‘cmf’@’%’ identified by ‘cmf_password'”

/usr/local/mysql/bin/mysql -e “grant all on cmf.* to ‘cmf’@’${m_hosts[${c_index}]}’ identified by ‘cmf_password'”

/usr/local/mysql/bin/mysql -e “drop database cmf”

/usr/local/mysql/bin/mysql -e “create database cmf”

/usr/local/mysql/bin/mysql -e “create database hive default character set utf8”

/usr/local/mysql/bin/mysql -e “grant all on hive.* to ‘hive’@’localhost’ identified by ‘hive_password'”

/usr/local/mysql/bin/mysql -e “grant all on hive.* to ‘hive’@’%’ identified by ‘hive_password'”

/usr/local/mysql/bin/mysql -e “grant all on hive.* to ‘hive’@’${m_hosts[${c_index}]}’ identified by ‘hive_password'”

/usr/local/mysql/bin/mysql -e “drop database hive”

/usr/local/mysql/bin/mysql -e “create database hive”

/usr/local/mysql/bin/mysql -e “create database hue default character set utf8”

/usr/local/mysql/bin/mysql -e “grant all on hue.* to ‘hue’@’localhost’ identified by ‘hue_password'”

/usr/local/mysql/bin/mysql -e “grant all on hue.* to ‘hue’@’%’ identified by ‘hue_password'”

/usr/local/mysql/bin/mysql -e “grant all on hue.* to ‘hue’@’${m_hosts[${c_index}]}’ identified by ‘hue_password'”

/usr/local/mysql/bin/mysql -e “drop database hue”

/usr/local/mysql/bin/mysql -e “create database hue”

/usr/local/mysql/bin/mysql -e “create database am default character set utf8”

/usr/local/mysql/bin/mysql -e “grant all on am.* to ‘am’@’localhost’ identified by ‘am_password'”

/usr/local/mysql/bin/mysql -e “grant all on am.* to ‘am’@’%’ identified by ‘am_password'”

/usr/local/mysql/bin/mysql -e “grant all on am.* to ‘am’@’${m_hosts[${c_index}]}’ identified by ‘am_password'”

/usr/local/mysql/bin/mysql -e “drop database am”

/usr/local/mysql/bin/mysql -e “create database am”

/usr/local/mysql/bin/mysql -e “create database os default character set utf8”

/usr/local/mysql/bin/mysql -e “grant all on os.* to ‘os’@’localhost’ identified by ‘os_password'”

/usr/local/mysql/bin/mysql -e “grant all on os.* to ‘os’@’%’ identified by ‘os_password'”

/usr/local/mysql/bin/mysql -e “grant all on os.* to ‘os’@’${m_hosts[${c_index}]}’ identified by ‘os_password'”

/usr/local/mysql/bin/mysql -e “drop database os”

/usr/local/mysql/bin/mysql -e “create database os”

/usr/local/mysql/bin/mysql -e “flush privileges”

#安装httpd服务

yum install -y httpd

systemctl enable httpd

service httpd restart

cd /var/www/html

mkdir parcels

cd parcels

mv ~/CDH-5.11.1-1.cdh5.11.1.p0.4-el7.parcel ./

mv ~/CDH-5.11.1-1.cdh5.11.1.p0.4-el7.parcel.sha ./

mv ~/manifest.json ./

mkdir /opt/rpminstall

cd /opt/rpminstall

mv ~/cm5.11.1-centos7.tar.gz ./

mv ~/cm5.11.1-centos7.tar.gz.sha ./

tar -zxf cm5.11.1-centos7.tar.gz -C /var/www/html/

cd /var/www/html/

mkdir -p cm5/redhat/7/x86_64/

mv cm cm5/redhat/7/x86_64/

chown apache:apache -R /var/www/html

cd /var/www/html/cm5/redhat/7/x86_64/cm/5/RPMS/x86_64

yum install -y cloudera-manager-daemons-5.11.1-1.cm5111.p0.9.el7.x86_64.rpm

yum install -y cloudera-manager-server-5.11.1-1.cm5111.p0.9.el7.x86_64.rpm

mkdir /usr/share/java

cd /usr/share/java

mv ~/mysql-connector-java-5.1.42.zip ./

unzip mysql-connector-java-5.1.42.zip

cd mysql-connector-java-5.1.42

cp mysql-connector-java-5.1.42-bin.jar ../mysql-connector-java.jar

echo “com.cloudera.cmf.db.type=mysql” > /etc/cloudera-scm-server/db.properties

echo “com.cloudera.cmf.db.host=localhost” >> /etc/cloudera-scm-server/db.properties

echo “com.cloudera.cmf.db.name=cmf” >> /etc/cloudera-scm-server/db.properties

echo “com.cloudera.cmf.db.user=cmf” >> /etc/cloudera-scm-server/db.properties

echo “com.cloudera.cmf.db.password=cmf_password” >> /etc/cloudera-scm-server/db.properties

service cloudera-scm-server restart

source /etc/profile

fi

======================================================================================================end

坑锦集:

1.脚本运行完成后可能需要再次于master运行source /etc/profile 使环境变量生效。

2.如果遇到hive安装失败的问题可能需要再开个浏览器窗口访问cdh搭建主网站更改hive配置,且需要使用独立的mysql数据库及用户。

《CentOS7下CDH5.11.1集群离线部署》 更改hive配置

3.ntp时间同步服务如果报警,可于crontab -e添加定时同步时间。

4.当3台机器服务时,可将master也添加namenode节点。

    原文作者:makai
    原文地址: https://www.jianshu.com/p/e9147bf6711d
    本文转自网络文章,转载此文章仅为分享知识,如有侵权,请联系博主进行删除。
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