3.4 Spark

1.安装Spark所需的包

yum -y install spark-core spark-master spark-worker spark-history-server spark-python

2.创建目录并修改属主和权限

sudo -u hdfs hadoop fs -mkdir /user/spark
sudo -u hdfs hadoop fs -mkdir /user/spark/applicationHistory
sudo -u hdfs hadoop fs -chown -R spark:spark /user/spark
sudo -u hdfs hadoop fs -chmod 1777 /user/spark/applicationHistory

3.修改配置文件/etc/spark/conf/spark-defaults.conf

spark.eventLog.enabled=true
spark.eventLog.dir=hdfs://cdh178.macro.com:8020/user/spark/applicationHistory
spark.yarn.historyServer.address=http://cdh178.macro.com:18088

4.启动spark-history-server

systemctl start spark-history-server
systemctl status spark-history-server

访问Web UI

5.修改配置文件并同步到所有节点

6.测试Spark使用

至此Spark安装完成

3.5 Hive

1.安装Hive服务之前，先安装元数据库MySQL并创建好服务需要的库和用户如下：

create database metastore default character set utf8; 
CREATE USER 'hive'@'%' IDENTIFIED BY 'password'; 
GRANT ALL PRIVILEGES ON metastore.* TO 'hive'@'%'; 
FLUSH PRIVILEGES;

2.安装Hive服务的包

在NameNode节点hive-metastore

yum -y install hive-metastore

在所有节点安装其他所需的包

yum -y install hive hive-server2 hive-jdbc hive-hbase

3.创建目录

在HDFS上创建目录并设置权限以及修改属主

sudo -u hdfs hadoop fs -mkdir /user/hive
sudo -u hdfs hadoop fs -chown hive:hive /user/hive
sudo -u hdfs hadoop fs -mkdir /user/hive/warehouse
sudo -u hdfs hadoop fs -chmod 1777 /user/hive/warehouse
sudo -u hdfs hadoop fs -chown hive:hive /user/hive/warehouse

4.修改配置文件

/etc/hive/conf/hive-site.xml

<configuration>
 <property>
 <name>javax.jdo.option.ConnectionURL</name>
 <value>jdbc:mysql://cdh178.macro.com:3306/metastore?useUnicode=true&characterEncoding=UTF-8</value>
 </property>
 <property>
 <name>javax.jdo.option.ConnectionDriverName</name>
 <value>com.mysql.jdbc.Driver</value>
 </property>
 <property>
 <name>javax.jdo.option.ConnectionUserName</name>
 <value>hive</value>
 </property>
 <property>
 <name>javax.jdo.option.ConnectionPassword</name>
 <value>password</value>
 </property>
 <property>
 <name>datanucleus.schema.autoCreateAll</name>
 <value>false</value>
 </property>
 <property>
 <name>yarn.resourcemanager.resource-tracker.address</name>
 <value>cdh178.macro.com:8031</value>
 </property>
 <property>
 <name>mapreduce.framework.name</name>
 <value>yarn</value>
 </property>
 <property>
 <name>hive.exec.reducers.max</name>
 <value>1099</value>
 </property>
 <property>
 <name>hive.metastore.schema.verification</name>
 <value>true</value>
 </property>
 <property>
 <name>hive.metastore.warehouse.dir</name>
 <value>/user/hive/warehouse</value>
 </property>
 <property>
 <name>hive.warehouse.subdir.inherit.perms</name>
 <value>true</value>
 </property>
 <property>
 <name>hive.metastore.server.min.threads</name>
 <value>200</value>
 </property>
 <property>
 <name>hive.metastore.server.max.threads</name>
 <value>100000</value>
 </property>
 <property>
 <name>hive.metastore.client.socket.timeout</name>
 <value>3600</value>
 </property>
 <property>
 <name>hive.support.concurrency</name>
 <value>true</value>
 </property>
 <property>
 <name>hive.zookeeper.quorum</name>
 <value>cdh178.macro.com,cdh177.macro.com,cdh176.macro.com</value>
 </property>
 <property>
 <name>hive.zookeeper.client.port</name>
 <value>2181</value>
 </property>
</configuration>

/etc/hadoop/conf/core-site.xml，只贴出修改的部分

<property>
 <name>hadoop.proxyuser.hive.hosts</name>
 <value>*</value>
</property>
<property>
 <name>hadoop.proxyuser.hive.groups</name>
 <value>*</value>
</property>

5.将配置文件同步到所有节点

6.将MySQL驱动包在Hive服务的lib目录下设置软链

7.启动Hive服务

启动hive-metastore

systemctl start hive-metastore
systemctl status hive-metastore

启动hive-server2

systemctl start hive-server2
systemctl status hive-server2

8.测试Hive服务是否正常

连接Hive，建表正常

至此Hive安装完成

3.6 Oozie

1.在MySQL中创建Oozie服务所需要的库和用户

create database oozie default character set utf8; 
CREATE USER 'oozie'@'%' IDENTIFIED BY 'password'; 
GRANT ALL PRIVILEGES ON oozie.* TO 'oozie'@'%'; 
FLUSH PRIVILEGES;

2.安装Oozie的包

yum -y install oozie oozie-client

3.配置Oozie

配置Oozie使用Yarn

alternatives --set oozie-tomcat-deployment /etc/oozie/tomcat-conf.http

修改/etc/oozie/conf/oozie-site.xml配置文件

<property>
 <name>oozie.service.JPAService.jdbc.driver</name>
 <value>com.mysql.jdbc.Driver</value>
 </property>
 <property>
 <name>oozie.service.JPAService.jdbc.url</name>
 <value>jdbc:mysql://cdh178.macro.com:3306/oozie</value>
 </property>
 <property>
 <name>oozie.service.JPAService.jdbc.username</name>
 <value>oozie</value>
 </property>
 <property>
 <name>oozie.service.JPAService.jdbc.password</name>
 <value>password</value>
 </property>

将MySQL驱动包在Oozie目录下生成软链

4.运行Oozie数据库工具

sudo -u oozie /usr/lib/oozie/bin/ooziedb.sh create -run

5.配置Oozie的Web控制台

下载ExtJS library到服务器，地址如下：

https://archive.cloudera.com/gplextras/misc/ext-2.2.zip

将下载的包解压到/var/lib/oozie

unzip ext-2.2.zip -d /var/lib/oozie/

6.在HDFS中安装Oozie共享库

sudo -u hdfs hadoop fs -mkdir /user/oozie
sudo -u hdfs hadoop fs -chown oozie:oozie /user/oozie
sudo oozie-setup sharelib create -fs hdfs://cdh178.macro.com:8020 -locallib /usr/lib/oozie/oozie-sharelib-yarn

7.启动Oozie Server

systemctl start oozie
systemctl status oozie

8.访问Oozie服务的Web UI

至此Oozie服务安装完成

3.7 Impala

1.安装Impala的包

在一个节点上安装Impala Catalog Server和Impala StateStore

yum -y install impala-state-store impala-catalog

在所有节点安装其他的包

yum -y install impala impala-server

2.将Impala需要的配置文件拷贝到Impala的配置文件目录下

3.安装impala-shell

yum -y install impala-shell

4.安装完Impala后需要的配置

修改/etc/hadoop/conf/hdfs-site.xml配置文件，启用块位置追踪和短路读取

<property>
 <name>dfs.datanode.hdfs-blocks-metadata.enabled</name>
 <value>true</value>
</property> 
 <property>
 <name>dfs.client.read.shortcircuit</name>
 <value>true</value>
 </property>
 <property>
 <name>dfs.domain.socket.path</name>
 <value>/var/run/hdfs-sockets/dn</value>
 </property>
 <property>
 <name>dfs.client.file-block-storage-locations.timeout.millis</name>
 <value>10000</value>
 </property>

将配置同步到所有节点

重启所有DataNode

将修改后的hdfs-site.xml复制到Impala的配置文件目录

5.启动Impala服务

启动Impala Catalog Server和Impala StateStore

systemctl start impala-state-store
systemctl status impala-state-store
systemctl start impala-catalog
systemctl status impala-catalog

所有节点启动impala-server

systemctl start impala-server
systemctl status impala-server

6.测试Impala使用

使用impala-shell连接Impala，进行插入、查询操作成功

至此Impala安装完成

3.8 Hue

1.安装Hue的包

yum -y install hue

2.为Hue配置CDH组件

• 配置Hue访问HDFS

1）修改配置文件

/etc/hadoop/conf/hdfs-site.xml

<property>
 <name>dfs.webhdfs.enabled</name>
 <value>true</value>
 </property>

/etc/hadoop/conf/core-site.xml

 <property>
 <name>hadoop.proxyuser.hue.hosts</name>
 <value>*</value>
 </property>
 <property>
 <name>hadoop.proxyuser.hue.groups</name>
 <value>*</value>
 </property>

/etc/hue/conf/hue.ini

将修改的HDFS的配置文件同步到所有节点

2）重启HDFS服务

systemctl restart hadoop-hdfs-namenode
systemctl restart hadoop-hdfs-secondarynamenode
systemctl restart hadoop-hdfs-datanode

• 配置Hue集成Hive

修改配置文件/etc/hue/conf/hue.ini

3.创建Hue服务所需的数据库和用户

create database hue default character set utf8; 
CREATE USER 'hue'@'%' IDENTIFIED BY 'password'; 
GRANT ALL PRIVILEGES ON hue.* TO 'hue'@'%'; 
FLUSH PRIVILEGES;

修改配置文件/etc/hue/conf/hue.ini数据库的部分

4.初始化数据库

/usr/lib/hue/build/env/bin/hue syncdb
/usr/lib/hue/build/env/bin/hue migrate

5.启动Hue服务

systemctl start hue
systemctl status hue

6.访问Hue服务的Web UI

至此Hue服务安装完成

总结

1.无CM使用rpm的方式安装CDH6.2.0与之前安装CDH5.10.0基本没有太大的区别。

2.此安装方式需要下载相关的所有rpm包到服务器，然后制作本地的yum源进行安装，下载的包的总大小在4.3G左右。

3.同样的在安装过程中需要最先安装Zookeeper。