hive 集成 mysql

1 安装mysql

　　apt-get install mysql-server

2 修改 hive 的默认配置

　　2.1 修改 hive 运行环境（hive-env.sh.template）

　　　　HADOOP_HOME=/lib/hadoop

　　2.2 在conf目录下添加hive-site.xml文件，内容为：

　　<?xml version="1.0"?>
　　<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>

　　<configuration>
　　<property>
　　<name>hive.metastore.local</name>
　　<value>true</value>
<description>
controls whether to connect to remove metastore server or open a new metastore server in Hive Client JVM
</description>
</property>

<property>
<name>javax.jdo.option.ConnectionURL</name>
<value>jdbc:mysql://localhost:3306/metastore_db?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>

</configuration>