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10-Misc.md

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Miscellaneous notes

To disable safe mode:


hadoop dfsadmin -safemode leave

To configure your hive-site.xml to use MySQL:


<property>
    <name>javax.jdo.option.ConnectionURL</name>
    <value>jdbc:mysql://127.0.0.1/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>hive</value>
</property>

<property>
    <name>javax.jdo.option.ConnectionPassword</name>
    <value>hive</value>
</property>