Hive元数据三种存储方式
1.Derby：hive默认的存储模式，不可以并发调用hive
2.本地MySQL
3.远程MySQL
采用第二种方式，安装MySQL，启动并创建Hive用户，创建Hive元数据库
insert into mysql.user(Host,User,Password) values("localhost","hive",password("hive"));
create database hive;
grant all on hive.* to hive@'%' identified by 'hive';
grant all on hive.* to hive@'localhost' identified by 'hive';
flush privileges;
配置Hive环境变量
vim /etc/profile
修改Hive配置
修改hive-site.xml
<property>
name>javax.jdo.option.ConnectionURL </name>
value>jdbc:mysql://localhost:3306/hive </value>
</property>
<property>
name>javax.jdo.option.ConnectionDriverName </name>
value>com.mysql.jdbc.Driver </value>
</property>
<property>
name>javax.jdo.option.ConnectionPassword </name>
value>hive </value>
</property>
<property>
name>hive.hwi.listen.port </name>
value>9999 </value>
description>This is the port the Hive Web Interface will listen on </descript ion>
</property>
<property>
name>datanucleus.autoCreateSchema </name>
value>true</value>
</property>
<property>
name>datanucleus.fixedDatastore </name>
value>false</value>
</property>
</property>
property>
name>javax.jdo.option.ConnectionUserName</name>
value>hive</value>
description>Username to use against metastore database</description>
/property>
property>
name>hive.exec.local.scratchdir</name>
value>/home/hdpsrc/hive/iotmp</value>
description>Local scratch space for Hive jobs</description>
/property>
property>
name>hive.downloaded.resources.dir</name>
value>/home/hdpsrc/hive/iotmp</value>
description>Temporary local directory for added resources in the remote file system.</description>
/property>
property>
name>hive.querylog.location</name>
value>/home/hdpsrc/hive/iotmp</value>
description>Location of Hive run time structured log file</description>
/property>
注意事项
- 找到mysql的jdbc驱动，比如mysql-connector-java-5.1.6-bin.jar拷贝到hive/lib目录下
- hive/lib/jline-2.12.jar拷贝到//yarn/lib/目录下
启动Hive,测试
在hive中新建表
在MySQL中查看
