1、在线安装mysql服务
#下载安装mysql yum install mysql mysql-server mysql-devel #启动mysql服务 cd /etc/ init.d/mysqld start #mysql连接并登录 mysql


#修改登录mysql用户名及密码
USE mysql;
UPDATE user SET Password=PASSWORD('password') WHERE user='root';
#设置允许远程登录
GRANT ALL PRIVILEGES ON *.* TO 'root'@'% ' IDENTIFIED BY 'password' WITH GRANT OPTION;
#强制写入
FLUSH PRIVILEGES;

2、配置hive
#1.上传安装包并解压
#然后,cd /export/servers/hive-1.2.1/conf
#2.修改hive-env.sh
# Set HADOOP_HOME to point to a specific hadoop install directory
HADOOP_HOME=/export/servers/hadoop-2.6.0-cdh5.14.0
# Hive Configuration Directory can be controlled by:
export HIVE_CONF_DIR=/export/servers/hive-1.2.1/conf
# Folder containing extra ibraries required for hive compilation/execution can be controlled by:
export HIVE_AUX_JARS_PATH=/export/servers/hive-1.2.1/lib
#3.新建hive-site.xml文件
<configuration>
<property>
<name>javax.jdo.option.ConnectionURL</name>
<value>jdbc:mysql://node01:3306/hive?createDatabaseIfNotExist=true</value>
<description>JDBC connect string for a JDBC metastore</description>
</property>
<property>
<name>javax.jdo.option.ConnectionDriverName</name>
<value>com.mysql.jdbc.Driver</value>
<description>Driver class name for a JDBC metastore</description>
</property>
<property>
<name>javax.jdo.option.ConnectionUserName</name>
<value>root</value>
<description>username to use against metastore database</description>
</property>
<property>
<name>javax.jdo.option.ConnectionPassword</name>
<value>password</value>
<description>password to use against metastore database</description>
</property>
<property>
<name>hive.server2.thrift.port</name>
<value>10000</value>
</property>
<property>
<name>hive.server2.thrift.bind.host</name>
<value>node01</value>
</property>
</configuration>
#4.上传mysql连接驱动的jar包到/export/servers/hive-1.2.1/lib 目录下
#5.配置hive的系统环境变量
vim /etc/profile
export HIVE_HOME=/export/servers/hive-1.2.1
export PATH=:$HIVE_HOME/bin:$PATH
3、hive的远程服务
#1.将node01上的hive安装包分发到node02、node03上,命令如下: cd /export/servers scp -r hive-1.2.1 node02:$PWD scp -r hive-1.2.1 node03:$PWD #2.在node01上启动hadoop集群 #3.在node01上启动hiveserver2服务,然后克隆当前会话,jps,查看一下当前进程 cd /export/servers/hive-1.2.1/bin hiveserver2


#4.在node02上使用beeline远程连接至hive服务端 cd /export/servers/hive-1.2.1 bin/beeline #5.输入远程连接协议,连接到指定hive服务的主机名和端口(默认10000) !connect jdbc:hive2://node01:10000 #6.输入连接hive服务器的用户名和密码
