Hive_元数据配置到MySQL

1.0"?> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?> <configuration> <property> <name>javax.jdo.option.ConnectionURL</name> <value>jdbc:mysql://hadoop102:3306/metastore?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>000000</value> <description>password to use against metastore database</description> </property> </configuration>

 

3．配置完毕后，如果启动hive异常，可以重新启动虚拟机。（重启后，别忘了启动hadoop集群）

多窗口启动Hive测试

1．先启动MySQL

[atguigu@hadoop102 mysql-libs]$ mysql -uroot -p000000

查看有几个数据库

mysql> show databases;

+--------------------+

| Database           |

+--------------------+

| information_schema |

| mysql             |

| performance_schema |

| test               |

+--------------------+

 

2．再次打开多个窗口，分别启动hive

[atguigu@hadoop102 hive]$ bin/hive

3．启动hive后，回到MySQL窗口查看数据库，显示增加了metastore数据库

  mysql> show databases;

+--------------------+

| Database           |

+--------------------+

| information_schema |

| metastore          |

| mysql             |

| performance_schema |

| test               |

+--------------------+

 

Hive_元数据配置到MySQL

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