Hive默认的元数据库是Derby,诸多不便,所以换成MySQL数据库
首先在Ubuntu上安装MySQL
sudo apt-get update && sudo apt-get dist-upgrade sudo apt-get install mysql-server mysql-client
一路默认即可,中间会有要求设置root账号的密码,安装成功后,使用如下命令检查是否安装成功
netstat -tap | grep mysql
修改my.cnf的bind-address
sudo vi /etc/mysql/my.cnf
重启sudo restart mysql
配置hive-site.xml文件,cd到hive目录下的conf文件夹
vim hive-site.xml
<configuration> <property> <name>javax.jdo.option.ConnectionURL</name> <value>jdbc:mysql://hadoop-0000:3306/hive?createDatabaseIfNotExist=true</value> </property> <property> <name>javax.jdo.option.ConnectionDriverName</name> <value>com.mysql.jdbc.Driver</value> </property> <property> <name>javax.jdo.option.ConnectionUserName</name> <value>root</value> </property> <property> <name>javax.jdo.option.ConnectionPassword</name> <value>123456</value> </property> </configuration>
上传MySQL的驱动到hive目录的lib文件夹
启动Hive(启动Hive前,确保HIVE_HOME已经配置完毕,HADOOP DFS和YARN已经启动)