2. (MS SQL Only:) Configure Hive when Metastore DB is in a Named Instance

If your site uses MS SQL for the Hive metadata store and the Hive database is not in the default instance (that is, in a named instance), you must configure the connection string after the installation completes:

On the Hive host, open the hive-site.xml file in a text editor.
Add the instance name to the property of the connection URL:
<property> <name>javax.jdo.option.ConnectionURL</name> <value>jdbc:sqlserver://sql-host/instance-name:port/hive_db;create= true</value> <description>JDBC connect string for a JDBC metastore</description> </property>
where:
- sql-host is the SQL server host name
- instance-name is the name of the instance that the Hive database is in
- hive_db is the name of the Hive database
Save the changes to hive-site.xml.
Finish configuring Hive as described later in this chapter, before restarting the Apache Hadoop Hive service.

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